Lutron Products

LT AIR QUALITY METER-Model : AQ-9901SD

Features :

Real time recorder, save the data into the SD memory.
card and can be down load to the Excel, extra software.
is no need.
User can make the further data or graphic.
analysis by themselves. under the Excel software.
At the same time, the SD memory card can recordprobe’s data.

LT AIR QUALITY METER Model : AQ-9912SD

Features :

Real-time recorder, saves the data into the SD memory
card and can be downloaded to Excel, extra software
analysis by themselves. under the Excel software.
At the same time, the SD memory card can record 3
probe’s data ( CO2/Temp. , %RH/Temp. /Dew /Wet , CO/Temp).

LT CUP ANEMOMETER BAROMETER/HUMIDITY TEMPERATURE Model : ABH-4224

Features :

Cup Anemometer, Barometer, Humidity, Temperature meter, 4 in one, professional.
Anemometer unit : m/S, Km/h, FPM, mph, Knot.
Barometer unit : hPa, mmHg, inHg
Humidity with Dew point measurement.
Temperature measurement with , unit.
Cup vane anemometer, available for wind speed measurement, high reliability.

LT VANE ANEMOMETER BAROMETER/HUMIDITY TEMPERATURE Model : ABH-4225

Features :

Anemometer, Humidity, Temperature meter, 4 in one,
professional.
Anemometer unit : m/S, Km/h, FPM, mph, Knot.
Humidity with Dew point measurement.
Temperature measurement with , unit.
Vane anemometer, available for wind speed
measurement, high reliability.

LT ANEMOMETER Model : AM-4100B

Features :

2 in 1 professional measuring instrument: Anemometer, and Type K Thermometer. indication.
Anemometers use low-friction ball bearing mounted wheel design provides high accuracy at high and low air Temperature velocity. Operating Max. 80% RH.
Anemometer use the separate heavy duty probe, Humidity
convineant for the measurement.

LT DIGITAL ANEMOMETER Model : AM-4200

Features :

High quality with the economical cost. Battery power source from 006P DC 9V Pocket & compact housing case. batteries.
Separate probe, convenient for the remote Used the durable, long-lasting components,
measurement. including a strong, light weight ABS-plastic
Low-friction ball vane wheels is accurate in housing case.
both high & low velocities. Wide applications: use this anemometer to
Multi-functions for air flow measurement:
check air conditioning & heating systems,
m/s, km/h, ft/min, knots. mile/h. measure air velocities, wind speeds,
Fast and accurate readings with LCD display. temperature…etc

LT DIGITAL ANEMOMETER Model : AM-4201

Features :

The portable anemometer provides fast, DATA HOLD function for stored the desire accurate readings, with digital readability and value on display. Large LCD display, easy to the convenience of a remote sensor separately. read.
Multi-functions for air flow measurement LCD display for low power consumption & m/s, km/h, ft/min, knots. clear read-out even in bright ambient light
Low-friction ball-bearing design allows free condition vane movement, resulting in accuracy at both Used durable, long-lasting components, high & low including a strong, lightweight ABS-plastic.
A sensitively balanced vane wheel rotates freely housing the case in response to airflow.
Wide applications: use this anemometer for Conventional twisted vane arms, always check air conditioning & heating systems,
and source of unreliability have been eliminated. measure air velocities, wind speeds,
Compact housing cabinet, easy to carry out temperature…etc.
Built-in low battery indicator.

LT DIGITAL ANEMOMETER Model : AM-4202

Features :

The portable anemometer provides fast. DATA HOLD function for stored the desired accurate readings, with digital readability and value on display. Large LCD display, easy to the convenience of a remote sensor separately.
Multi-function air flow measurement: LCD display for low power consumption & m/s, km/h, ft/min, knots. clear read-out even in bright ambient light.
Build in temperature , measurement. ℃ ℉ condition.Thermocouple sensor for fast temp. Used the durable, long-lasting components,time. including a strong, light weight ABS-plastic
Low-friction ball-bearing design allows free housing case movement, resulting in accuracy at both Compact housing cabinet, easy to carry out high & low velocities.
Built-in low battery indicator.
A sensitive balanced vane wheel rotates freely
Wide applications: use this anemometer to in response to air flow. check air conditioning & heating systems,
Conventional twisted vane arms, always a measure air velocities, wind speeds, source of unreliability have been eliminated. temperature…etc.

LT ANEMOMETER RS232 Model : AM-4203

Features :

Microprocessor circuit ensures high accuracy and provides special functions and features.
Super large LCD display, display the air low and the temperature reading at the same time temperature sensor.
Dual function display.
Precision thermistor.
Heavy duty & compact case. Data Output RS 232 PC serial interface.
Records Maximum and Minimum readings with recall facilities.

LT HOT WIRE ANEMOMETER Model : AM-4204

Features :

Thermal anemometer, available for very low RS 232 PC serial interface air velocity measurement.
The portable anemometer provides fast,
Slim probe, ideal for grilles & diffusers. accurate readings, with digital readability & Combination of hot wire and standard the convenience of a remote probe separate thermistor, deliver rapid and precise.
Multi-functions for air flow measurement measurements even at low air velocity value. m/s, km/h, ft/min, knots. mile/h.
Microprocessor circuit assures maximum.
Build in temperature, measurement possible accuracy, provides special functions.

LT HOT WIRE ANEMOMETER Model : AM-4204HA

Features :

Deluxe hard carrying case.
Heavy duty & compact housing case.
Applications : Environmental testing, Records Maximum and Minimum readings Air conveyors, Flow hoods, Clean rooms, Air with recall. velocity, Air balancing, Fans/motors/blowers, Data hold. Furnace velocity, Refrigerated case, Paint spray
Operates from 6 PCs UM-4 batteries. booths.a

LT ANEMOMETER Model : AM-4206

Features :

Thermistor sensor for temp. measurement,CFM ( ft^3/min. ) fast response time.
Air velocity : m/s, ft/min, km/h, knots. Build-in low battery indicator.
Air temperature : C degree, F degree Operates from 006P DC 9V battery.
3 air flow mode : Instant, 2/3 Vmax, Average.RS 232 PC serial interface.
Separate probe, easy for operation of the Large LCD with dual display.
Used the durable, long-lasting components,Record maximum and minimum reading including a strong, light weight ABS-plastic

LT ANEMOMETER Model : AM-4206M

Features :

Metal vane pobe, heavy duty, wide range.
Auto shut off saves battery life measurement.
Thermistor sensor for temp measurement.
Air flow : CMM ( m^3/min. ) and fast response time CFM ( ft^3/min. )
Air velocity : m/s, ft/min, km/h, knots, mile/h.
Operates from 006P DC 9V battery 3 air flow mode : Instant, 2/3 Vmax .
Low-friction ball vane wheels is accurate in different measurement environment both high & low velocities.
Used the durable, long-lasting components.

LT ANEMOMETER Model : AM-4207SD

Features :

Air velocity : m/S, Ft/min, Km/h, Knots, Mile/h, Temperature Automatic temp. compensation (cold)
Air temperature ( ℃, ℉ ) Compensation junction compensation )for the type K/J
Low-friction ball vane wheels make sure high accuracy thermometer in high & low velocities. Memory Recall Maximum & Minimum value.
Air Temp. used thermistor sensor, fast response time of Display
Real time SD memory card Datalogger, it Built-in Clock Data Output RS 232/USB PC computer interface.
and Calendar, real time data recorder , sampling time setConnect the optional RS232 cable from 1 second to 3600 seconds. UPCB-02 will get the RS232 plug.
A manual datalogger is available( set the sampling).
Connect the optional USB cable (time to 0 ), during execute the manual datalogger USB-01 will get the USB plug function, it can set the different positions (locations).

LT HOT WIRE ANEMOMETER Model : AM-4214SD

Features :

Combination of hot wire and standard thermistor, Temperature Automatic temp. compensation for the deliver rapid and precise measurements even at low Compensation.
Anemometer function and the type K/J air velocity value. thermometer.
Slim probe, ideal for grilles & diffusers. Sampling Time Approx. 1 second.
Air velocity : m/s, Ft/min, Km/h, Knot, Mile/h, of Display
Air temperature ( , ) ℃ ℉ Data Output RS 232/USB PC computer interface.
Air Temp. used thermistor sensor, fast response time.
Connect the optional RS232 cable.
Type K, Type J thermocouple thermometer. UPCB-02 will get the RS232 plug.
Real-time SD memory card Datalogger, it Built-in Clock.
Connect the optional USB cable
and Calendar, real time data recorder,sampling time set USB-01 will get the USB plug from 1 second to 3600 seconds.

LT ANEMOMETER Model : AM-4216

Features :

13 mm dia heavy duty mini vane with telescope probe available for high temp. air velocity measurement.
Air flow : CMM (m^3/min.) and CFM (ft^3/min.)
Air velocity m/s, ft/min, km/h, knots.
Air temperature 3 air flow mode : Instant, 2/3 Vmax,Average.
Low-friction ball vane wheels is accurate in both high & low velocities.
Large LCD with dual display.

LT CUP ANEMOMETER Model : AM-4220

Features :

Out side air speed measurement.
0.9 to 35.0 m/s, ft/min.,km/h. knots.
All in one, hand held type.
Cup type probe, high reliability.
LCD display, Record ( max., min. ).
Data logger.
Water resistance, heavy duty.
DC 1.5V battery ( UM-4,AAA ) x 4.

LT CUP ANEMOMETER Model : AM-4221

Features :

Cup vane anemometer, available for wind speed measurement, high reliability.
Measurement range : 0.9 to 35.0 m/s Memory Recall Maximum & Minimum value.
Wind speed unit : m/s, km/h, ft/min, knot, mile/h/
Microprocessor circuit ensures high accuracy and Operating 0 to 50 .
provides special functions and features. Temp. and Less than 80% R.H.
Records Maximum and Minimum readings with recall.
Data hold and 100-point data logger with recall.
Power Supply DC 1.5 V battery (UM4/AAA ) x 4 PCs, Auto power off saves battery life.

LT VANE ANEMOMETER Model : AM-4222

Features :

Anemometer, Temperature meter, two in one, professional.
Anemometer unit : m/S, Km/h, FPM, mph, Knot.
Temperature measurement with , unit. ℃ ℉
Vane anemometer, available for air velocity measurement, high reliability.
Two display show air velocity and temperature value at the same time.
Bright LCD display.
Microprocessor circuit ensures high accuracy and provides special functions and
features.
Records Maximum and Minimum readings with recall.
Auto power off saves battery life.
Operates from DC 1.5V ( UM4/AAA ) x 4 PCs batteries.
Low-friction ball vane wheels is accurate in both high and low velocities.
Durable, long-lasting components, enclosed in strong, compact ABS-plastic housing

LT HOT WIRE ANEMOMETER Model : AM-4224SD

Features :

Complete set with two probes : Hot wire anemometer probe and Humidity/Temp. probe.
Combination of hot wire and standard thermistor,deliver rapid and precise measurements even at low Humidityair velocity value.
Slim probe, ideal for grilles & diffusers. ( UM3, AA ) x 6 PCs, or equivalent.
Air velocity : m/s, Ft/min, Km/h, Knot, Mile/h, * ADC 9V adapter input.
Air flow ( CFM, CMM ) measurement.

LT ANEMOMETER Model : AM-4237SD

Features :

Two probes are included Power Current Normal operation ( w/o SD card save.
Anemometer probe and Humidity/Temp. probe. data and LCD Backlight is OFF).3 in 1: Anemometer, Humidity/Temp. meter, Type J/K Approx. DC 15 mA.
thermometer. When an SD card saves the data and LCD.
ABS plastic vane probe, heavy duty. Backlight is OFF)
Air velocity: m/S, Ft/min, Km/h, Knots, Mile/h, Approx. DC 36 mA.
Air temperature (, ) ℃ ℉ Weight 347 g/ 0.76 LB.
Low-friction ball vane wheels make sure high accuracy 182 x 73 x 47.5mm. Type K, Type J thermocouple thermometer.
Anemometer sensor head.Humidity/%RH: 10 to 95 %RH.

LT ANEMOMETER Model : AM-4237SD

Features :

Two probes are included Power Current Normal operation ( w/o SD card save.
Anemometer probe and Humidity/Temp. probe. data and LCD Backlight is OFF).3 in 1: Anemometer, Humidity/Temp. meter, Type J/K Approx. DC 15 mA.
thermometer. When an SD card saves the data and LCD.
ABS plastic vane probe, heavy duty. Backlight is OFF)
Air velocity: m/S, Ft/min, Km/h, Knots, Mile/h, Approx. DC 36 mA.
Air temperature (, ) ℃ ℉ Weight 347 g/ 0.76 LB.
Low-friction ball vane wheels make sure high accuracy 182 x 73 x 47.5mm. Type K, Type J thermocouple thermometer.
Anemometer sensor head.Humidity/%RH: 10 to 95 %RH.

LT ANEMOMETER metal vane Model : AM-4247SD

Features :

Two probes are included : Power Current Normal operation ( w/o SD card save Anemometer probe and Humidity/Temp. probe. data and LCD Backlight is OFF) :
3 in 1 : Anemometer, Humidity/Temp. meter, Type J/K Approx. DC 15 mA.
thermometer. When SD card save the data and LCD.
Metal vane pobe, heavy duty, wide range measurement. (Backlight is OFF)
Air velocity : m/S, Ft/min, Km/h, Knots, Mile/h, Approx. DC 36 mA.
Air temperature ( , ) ℃ ℉ Weight 347 g/ 0.76 LB.Meter only
Air flow : CMM, CFM. Dimension Main instrument :
Low-friction ball vane wheels make sure high accuracy 182 x 73 x 47.5 mm in high & low velocities.

LT ANEMOMETER Model : LM-81AM

Features :

Tiny bone shape with lightweight and small size case design are suitable for handling with one hand.
Wristlet design provides extra protection to the instrument especially for user one hand operation.
Low-friction ball vane wheels design provides high accuracy at high and low air velocity.
Build in microprocessor circuit assures excellent performance and accuracy.
Concise and compact buttons arrangement, easy operation.
Memorize the maximum and minimum value with recall.
Air velocity measuring units selectable by pressing button on the front panel for five kinds of units.
Hold function to freeze the current reading value.

LT Anemometer, Humidity Light Meter, Thermometer Model : LM-8000A

Features :

The LM-8000 is a 4 in 1 professional measuring instrument:
Anemometer, Hygrometer, Thermometer, and Light meter.
Tiny bone shape with lightweight and small size case design are suitable for handling with one hand.
Wristlet design provides extra protection to the instrument especially for user one hand operation.
Anemometer uses the magnetic sensor structure, Low-friction
ball bearing mounted wheel design provides high accuracy at high and low air velocity.
Exclusive photo diode and color correction filter light sensor, spectrum meets C.I.E. photopic.

LT Anemometer ( CMM, CFM ) Humidity meter, Light meter Type K Thermometer Model : LM-8010

Features :

5 in 1 professional measuring instrument: Anemometer,
Air flow, Hygrometer, Thermometer, and Light meter.
Air velocity ft/min 80 to 5,910 ft/min 1 ft/min .
Tiny bone shape with lightweight and small size case design are suitable for handling with one hand.
Wristlet design provides extra protection to the instrument especially for user one hand operation.
Low-friction ball bearing mounted wheel design provides high accuracy at high and low air velocity

LT 4 IN 1 METER Model : LM-8100

Features :

4 in 1 professional measuring instrument: Anemometer.
Hygrometer, Thermometer, and Light meter.
Tiny bone shape with lightweight and small size case.
Wristlet design provides extra protection to the 170 to 1,860 Fc 1 Ft-cd instrument especially for user one hand operation.
Temperature ( Type K ) -148 to 2372 ℉ 0.1 ℉.
Low-friction ball bearing mounted wheel design provides -100 to 1300 ℃ 0.1 high accuracy at high and low air velocity.

LT 5 IN 1 METER Model : LM-8102

Features :

5 in 1 professional measuring instrument: Anemometer, Type K ThermometerHygrometer, Type K Thermometer, Light meter.
Sound level meter. Measurement Range Resolution
Anemometer use low-friction ball bearing mounted Temperature ( Type K ) -148 to 2372 ℉ 0.1 ℉ wheel design provides high accuracy. -100 to 1300 ℃ 0.1 ℃.
Light meter use exclusive photo diode and color.correction filter light sensor, spectrum meets C.I.E. Measurement Range Accuracy
photopic.
Temperature -148 to 2372 ℉ ± (1% rdg + 2℉).
]Type K thermometer use standard type K (NiCr-NiAl) ( Type K ) -100 to 1300 ℃ ± (1% rdg + 1℃) thermocouple input jack suitable for all kinds of type K probe. Anemometer ( Air velocity/Temp. )
Humidity meter use high precision humidity sensor with fast response time.

LT CO2 /HUMIDITY/TEMP. MONITOR Model : MCH-383SD

Features :

Monitor with a real-time data logger, and save the measuring.
data along with the time information ( year, month, date, hour, minute, second ) into the SD memory card can be download to Excel, extra software is not needed.
Users can make further data or graphic analysis of the Display is changed by themselves.
Show CO2 ( Carbon dioxide ), Humidity, and Connect the optional RS232 cable.
Temperature value in the same LCD. UPCB-02 will get the RS232 plug.
NDIR method principal for CO2 ( Carbon dioxide ).

LT HUMIDITY/BAROMETER/TEMP. DATA RECORDER Model : MHB-382SD

Features :

Monitor with real time data logger, save the measuring Operating 0 to 50 data along the time information ( year, month, date, hour, minute, second ) into the SD memory card and can be down load to the Excel, extra software is no need. user can make the further data or graphic analysis Power Supply.
AAlkaline or heavy duty DC 1.5 V batteryby themselves. ( UM4, AAA ) x 6 PCs, or equivalent. Show Humidity, Temperature and Barometer value in the same LCD.

LT CHLORINE METER Model : CL-2006

Features :

The meter measures the Free and Total Chlorine ( CL ) Method The measuring method is an adapter in the 0.00 to 3.50 ppm ( mg/L ). USEPA Method 330.5.
The measuring method is an adaptation of the USEPA Standard Method 4500-Cl G. Method 330.5 for wastewater and Standard Method .
The reaction between free ( total ).
4500-Cl G for drinking water. chlorine and the DPD reagent cause.
The advanced optical system is based on a special narrow pink tint in the sample band LED lamp that allows the most accurate and displays Approx. 1-second repeatable reading. Sampling.
Friendly and powerful calibration functions are able to Time validate the good performance of your meter at any time.

LT DCA/ACA CLAMP METER Model : CM-6146

Features :

Meet IEC 1010 CAT III 1000 V safety requirement.
ACV, ACA, DCV, DCA, ohms, continuity, Hz, Accessories Red and Black Test Leads 1 Set Capacitance, Diode.
Smart function, Auto range or manual range with hold. Optional Full line adapters.
Smart operation, Build in 4 intelligent function.

LT CO 2 METER Model : GC-2028

Features :

NDIR method principal for CO2 ( Carbon dioxide )measurement, available for long term operation.
High repeatability and high accuracy.
Separate probe, easy operation and convenient for remote measurement.
CO2 function with alarm setting.
Large S-TN LCD, high contrast, easy readout.
Data hold function for freezing the desired value on display.

LT CO 2 METER Model : GCH-2018

Features :

NDIR method principal for CO2 ( Carbon dioxide )measurement, available for long term operation.
High repeatability and high accuracy.
Two probes, one is for CO2/Temp. measurement,other probe is for Humidity/Temp./Dew point measurement.
Separate probe, easy operation and convenientfor remote measurement.
CO2 function with alarm setting.

LT CO METER Model : GCO-2008

Features :

Two function : CO ( Carbon monoxide ), Temperature.
CO range : 0 to 1,000 ppm x 1 ppm.
Temperature. : 0 to 50 , / ℃℃℉ CO measurement with fast response time.
High repeatability and high accuracy.
Stand-alone device, easy to carryout and operation.

LT COLOR ANALYZER Model : RGB-1002

Features :

The RGB-1002 is a portable color analyzer equipped with an external sensor probe having a 45° /0° colormeasuring geometry. The modem, accurate G ( Green ) value : 0 to 1023.microprocessor technology uses the spectral analysis method to determine the color of the sample.Excellent repeatability due to spectroscopic analysis technique used.
Friendly operation, just press the operation button will Luminance value : 0 to 1.000.
Relative function, can easy to compare the color value of the different two measurement material.

LT CONDUCTIVITY METER Model : CD-4301

Features :

The portable conductivity meter provides fast, accurate readings, with digital readability and the convenience of a remote probe separately.
Multi-measuring ranges: 199.9 uS, 1.999 mS, 19.99 mS.
DATA HOLD function for stored the desired value on display.
Large LCD display for low power consumption & clear read-out even in bright ambient light condition.
Used the durable, long-lasting components, including a strong,
Built-in low battery indicator.

LT CONDUCTIVITY METER Model : CD-4302

Features :

Pocket size, easy to carry out.
Separate electrode, easy operation.
The portable conductivity meter provides fast, accurate readings, with digital readability and the convenience of a remote probe separately.
Multi measuring ranges: 1.999 mS, 19.99 mS.
LCD display for low power consumption & clear read-out even in bright ambient light condition.
Used the durable, long-lasting components, including a strong, light weight ABS-plastic housing case.

LT CONDUCTIVITY METER Model: CD-4303

Features :

Microcomputer circuit assures maximum possible accuracy, and provides special functions and features. between 0 to 5.0% per.
Super large LCD display with contrast adjustment for the best viewing angle. conductivity readings.
Dual function meter’s display.
Heavy duty & compact housing case, designed for easy carry out & operation.
Records Maximum, Minimum and Average readings with RECALL.

LT CONDUCTIVITY METER Model : CD-4306

Features :

4 rings conductivity probe, high performance, wide range, professional.
4 ranges : 200 uS, 2 mS, 20 mS, 200 mS.
Separate electrode, easy operation.
The portable conductivity meter provides fast, accurate readings, with digital
readability and the convenience of a remote probe separately.
All function keys are used the rubber button.
Data hold.

LT DISSOLVED OXYGEN METER Model : DO-5509

Features :

Display :13 mm ( 0.5″ ) LCD, 3 1/2 digits.
Measurement Range:Dissolved Oxygen – 0 to 20.0 mg/L.
Resolution : 0.1 mg/L..
Accuracy ± 0.4 mg/L. (after calibration within 23± 5 ) ℃
Sensor Temp: Automatic from 0 to 40 . ℃

LT DISSOLVED OXYGEN METER Model : DO-5510

Features :

The polarographic type oxygen probe with an incorpo- rated Temp. sensor, high precision measurement for Dissolved Oxygen(DO), Oxygen in air(O2) & Temp. measurement.
Heavy duty dissolved oxygen probe,probe head can connect with BOD bottle.
Automatic Temp. compensation from 0 to 50 for sensor probe. ℃
Build in ” % SALT ” & ” Mountain Height ” compensation adjustment button.
Microprocessor circuit.

LT DISSOLVED OXYGEN METER Model : DO-5512SD

Features :

Precision Dissolved Oxygen measurement.
Dissolved oxygen : 0 to 20.0 mg/L.
Dissolved oxygen meter use the polar graphic type oxygen probe with temperature sensor, high precision measurement for Dissolved Oxygen ( DO ) and once will save data one time. temperature measurement.
Heavy duty dissolved oxygen probe, probe head can 0 second. connect with BOD bottle.
DO use the automatic Temp. compensation.

LT DCA/ACA CLAMP METER Model : CM-6146

Features :

Meet IEC 1010 CAT III 1000 V safety requirement. 6000 counts A/D, high resolution.
ACV, ACA, DCV, DCA, ohms, continuity, Hz Capacitance, Diode. Included Instruction Manual………. 1 PC Smart function, Auto range or manual range with hold. Smart operation, Build in 4 intelligent function : ” V “, ” Ω “,” 600A “, ” 1000A “. ” V ” function can select ACV, DCV automatically with Light adapter,auto range. EMF adapter,
” Ω ” function can select the Resistance , Diode, Sound level adapter,
Continuity beeper, Capacitance automatically with High voltage probe.

LT 3 AXIS RADIO FREQUENCY ELECTROMAGNETIC FIELD METER Model : EMF-819

Features :

3 Axis probe.
Radio frequency electromagnetic field tester.
Wide measuring frequency ranges, 50 MHz to 3 GHz.
EMF-819 is used for broadband devices of monitoring the wide range radio frequency electromagnetic field Unit value.
For precision measurement consideration, the meter is included one probe : Probe Input 50 OHM
EP-05H ( High frequency Probe, 50 MHz to 3 GHz ).
Unit : V/m, W/m^2, mW/cm^2.

LT EMF TESTER Model : EMF-822A

Features :

The EMF tester is designed to provide user a quick, reliable and easy way to measure electromagnetic field radiation levels around power lines,home appliances and industrial devices.
The EMF tester is a cost effective, hand-held instrument designed and calibrated to measure electromagnetic field radiation at different bandwidths down to 50 Hz/60Hz.

LT EMF ADAPTER Model : EMF-824

Features :

Combine the EMF adapter & the DIGITAL MULTIMETER ( set to DC 200 mV range ),it can be used a precision EMF METER.
The EMF adapter is designed to provide user a quick, reliable and easy way to measure electromagnetic field radiation levels around power lines, home appliances and industrial devices.
The EMF adapter is a cost effective, hand-held instrument designed and calibrated to measure electromagnetic field radiation at different bandwidths down to 50 Hz/60 Hz.
Use separate probe, easy to operate.

LT EMF TESTER Model : EMF-827

Features :

The EMF tester is designed to provide user a quick, reliable and easy way to measure electromagnetic field radiation levels around power lines, home appliances and industrial devices.
Separate probe, easy operation & remote measurement.
Wide measuring ranges,20/200/2,000 micro Tesla,200/2,000/20,000 milli Gauss.

LT 3 D EMF TESTER Model : EMF-828

Features :

Three axis ( X, Y, Z direction ) electromagnetic field measurement.
The EMF tester is designed to provide user a quick,reliable and easy way to measure electromagnetic field radiation levels around power lines, electricalappliances and industrial devices.
Data hold.
Wide measuring ranges, 3 ranges of 20 micro Tesla, 200 micro Tesla & 2000 micro Tesla. * DC 9V battery power supply.
Hard case included.
Separate probe, easy operation.

LT 20 Kg Force Gauge Model: FG-20KG

Features :

Tension & compression capability .20 Kg, wide capacity, high
resolution, high accuracy, high repeatability.
3 kind display unit, Kg/LB/Newton.
Separate sensor.
Peak hold ( Max. load) measurement.
Zero button can operate both fornormal & ” peak hold ” operation.

LT FORCE GAUGE Model : FG-5000A

Features :

5,000 g maximum capacity, high resolution, accuracy & repeatability.
Display unit : gram, Newton & oz.
Tension & compression capability .
Peak hold ( Max. load ).
Zero button.
Full capacity zero (tare) control.
Fast/Slow response time push button.

LT 5000 g FORCE GAUGE Model : FG-5000A-232

Features :

Tension & compression capability.
5000 g, wide capacity, high resolution, high accuracy, high repeatability.
3-kind display unit, g/oz/Newton.
Separate sensor.
Peak hold ( Max. load ) measurement.
The zero buttons can operate both for normal & ” peak hold ” operation.

LT FORCE GAUGE Model : FG-5020

Features :

20 Kg, Kg/LB/Newton.
Tension or Compression, Peak hold, Zero.
Positive/ Reverse display.
5 digits LCD with back light.
RS-232 computer interface.
Full-line accessories, optional test stand.
DC 1.5V battery ( UM-3, AA )
x 6 or DC 9V adapter in.

LT FORCE GAUGE Model : FG-5100

Features :

100 Kg, Kg/LB/Newton.
Tension or Compression,
Peak hold, Zero.
Positive/ Reverse display.
* 5 digits LCD with back light.
RS-232 computer interface.
Optional accessories: USB cable, RS232 cable,Software for data loggingand recorder,
DC 1.5V battery ( UM-3, AA )x 6 or DC 9V adapter in.

LT TEST STAND for FORCE GAUGE Model : FS-1001

Features :

Optional; test stand, be connected
with FG-5000A, FG-20KG,FG-5000A-232, FG-20KG-232,FG-5005, FG-5020.FG-6005SD, FG-6020SDFR-5105, FR-5120whole system will be useful tool for material’s tension and
compression analysis.
Size : 650 x 250 x 230 mm.
Net Weight : 6.9 Kg.

LT FRUIT HARDNESS TESTER 20 Kg Model : FR-5120

Features :

The tester is used to measure the hardness of most kinds of fruits such as apples, pears, strawberries, grapes, large/hard fruits, and small/soft fruits. It is suitable for the fruit Peak hold Will freeze the display value of the scientific research department, fruit company, fruit farm, agriculture colleges, and universities to improve the fruit Zero Zero button can be operated both for quality, the harvest storage, the product transportation…by the fruits’ hardness. The useful tester to judge fruits.
Max. capacity: 20 Kgf x 0.01 Kgf ( 10 gf ).
Capacity Unit: Kg/LB/Newton. Resolution 0.01 Kg/0.01 LB/0.05Newton.
Use load cell sensor, high precision. Min. Display 0.02 Kg/0.07 LB/0. Newton,
Digital display with Peak hold function, easy Accuracy ± (0.5 % + 2 digits), within 23± 5℃.

LT PRECISION MILLI GAUSS METER Model : GU-3001

Features :

DC/AC milligauss Magnetometer.
Using exclusive high sensitivity sensor ( better performance than the traditional Hall element sensor ), available for high precision magnetic field measurement.
Wide application for industrial, mechanical, material, electrical, laboratory field to check the material contains magnetic field value.
DC and AC magnetic field measurement.
Wide measure range : ± 3,000 milligauss.

LT HUMIDITY METER Model : HT-305

Features :

Humidity + Temperature + Dew point are combined into one meter, intelligent and professional.
Heavy duty & compact housing case, designed for easy carry out & operation.
0.1 %RH resolution for the humidity reading, 0.1 degree resolution for the Temp. reading.
Records Maximum and Minimum readings with Recall.
Pocket size with Separate humidity & temp. probe, easy operation. & remote measurement.
Data hold function for freezing the desired value.
Auto shut-off saves battery life.

LT HUMIDITY METER Model : HT-HUMIDITY/TEMP. METER Model : HT-306

Features :

Measurement Humidity, Temp., Dew point.
Humidity: 10 to 95 %RH.
Temperature measurement.
Resolution:0.01 %RH, 0.01 degree.
Fast response time.
Data hold, Record ( max., min. ).
Meter build in probe,all in one,easy operation.
RS-232 computer interface.
DC 9V battery ( 006P ) or DC 9V adapter in.

LT HUMIDITY METER Model : HT-315

Features :

Humidity + Temperature + Dew point are combined into one meter, intelligent and professional.
0.01 %RH resolution for the humidity reading,
0.01 degree resolution for the Temp. reading.
Pocket size with Separate humidity & temp. probe, easy operation. & remote measurement.
Fast humidity measuring response time.

LT HUMIDITY/TEMP. METER Model : HT-3006A

Features :

Humidity + Temperature + Dew point are combined into one meter, intelligent and professional.
0.01 %RH resolution for the humidity reading,
0.01 degree resolution for the Temp. reading.
Pocket size with Separate humidity & temp. probe, easy operation. & remote measurement.
Fast humidity measuring response time.

LT Anemometer, Humidity Light Meter, Thermometer Model : LM-8000A

Features :

The LM-8000 is a 4 in 1 professional measuring instrument.
Tiny bone shape with lightweight and small size case design m/s 0.4 to 30.0 m/s 0.1 m/s are suitable for handling with one hand.
Wristlet design provides extra protection to the instrument especially for user one hand operation.
Anemometer uses the magnetic sensor structure, Low-friction Temperature 32 to 122 all bearing mounted wheel design provides high accuracy at ( thermister) 0 to 50 ℃ 0.1 ℃high and low air velocity.
Exclusive photo diode and color correction filter light sensor, Temperature 32 to 122 ℉ 0.1 ℉
spectrum meets C.I.E. photopic.

LT INSULATION TESTER Model : DI-6400

Features :

Digital display, easy and correct read-out.
Auto-range and multi-function for insulation measurement of 4/40/400/4000 MΩ ( 100 V, 250 V, 500 V, 1000 V ).
Insulation measurement with auto discharge function, safety.
Build in the ACV & DCV & OHMS measurement functions.
Precision 400 ohm & 4000-ohm auto-range easy for measuring low resistance such as motor windings, .relay coils, etc. Approx. 18 mA ( DCV range).
A continuity beeper is equipped in the OHM range.

LT ACA LEAKAGE TESTER Model : DL-6054

Features :

High-precision AC mA measurement, is useful for AC mA leakage
current measurement.
Measure AC mA on the inductive conductor.
Miniature type, easy to carry out & operate.
High precision for low ACA leakage current measurement.
Built-in DATA HOLD function.
Crystal time base, high quality.
LCD display allows clear readout-out even at high ambient light levels.
LSI circuit provides high reliability and durability.
An overload protection circuit is provided for all ranges.
Design to meet IEC 1010 safety requirements.
Compact, lightweight, and excellent operation.

LT ULTRASONIC LEAKAGE DETECTOR ULTRASONIC TRANSMITTER Model : GS-5800, GS-400

Features :

ULTRASONIC LEAKAGE DETECTOR is designed to locate the source of the ultrasonic emissions
generated by gas, air leaks…. The leakage level is displayed by “Bar LED Display Panel” and converted to
audible sound by either internal buzzer or external optional earphone.

LT LIGHT METER Model: LX-101AS

Features :

2,000/20,000/50,000 Lux , Autorange.
The light sensor used the exclusive photo diode & color correction filter, spectrum meet C.I.E. photopic.
Light sensor cosine correction factor meet the standard.
Separate Light Sensor allows user to measure the light at an optimum position.
Zero key function. Optional
Separate light probe, easy operation
Microprocessor circuit.

LT LIGHT METER analog output Model : LX-102

Features :

The sensor used the exclusive photo diode & color correction filter, spectrum meets C. I. E. photopic.
Built-in low battery indicator.
LSI-circuit use provides high reliability and durability.
Sensor COS correction factor meets the standard.
Separate LIGHT SENSOR allows users to take measurements of an optimum position.
LCD display provides low power consumption.
Compact, lightweight, and excellent operation.
Precise and easy readout, wide range.
LCD display can clearly read out even in high ambient light.
High accuracy in measuring.

LT LIGHT METER Model : LX-1102

Features :

5 ranges : 40.00/400.0/4,000/40,000/400,000 Lux, wide measuring range.
Large LCD display with bargraph and indicator.
Water resistance front panel.
Data hold.
Use the rubber key for the function select.
Zero adjusting button.
RS-232 computer serial data output.

LT LIGHT METER 4 light type Model : LX-1108

Features :

Large LCD display with bargraph and indicator.
High resolution :0.01 Lux to 100 Lux, 0.001 Fc to 10 Fc.
Use the rubber key for the function select.
LSI circuit provides high reliability and durability.
Zero adjusting button.
Sensor used the exclusive photo diode & color correction filter, spectrum meet C.I.E photopic.
Data hold to freeze the desired reading.
Peak hold measurement.
Memory function to display the max. & min.

LT LIGHT METER Model : LX-1128SD

Features :

3 ranges, 2,000/20,000/100,000 LUX.
LUX & Foot Candle unit selection with default.
Auto range for light measurement.
Spectrum of photo sensor meets C.I.E..
Light measurement with zero adjustment by push button.
Type K, Type J thermocouple thermometer.
Real time SD memory card Datalogger, it Built-in Clock and Calendar, real time data recorder , sampling time set DC 1.5 V battery from 1 second to 3600 seconds.

LT LIGHT TRANSMITTER Model : TR-LXT1A4

Features :

Range Range 1 : 0-2,000 Lux.
Range 2:2,000-20,000 Lux.
Range 3 :20,000-50,000 Lux.
External ZERO VR.
Adjustment SPAN VR.

LT AC/DC MAGNETIC METER Model : MG-3002

Features :

Wide range, general purpose magnetic measurement for industrial, mechanical, material, electrical, laboratory field usage.
Unit : G ( Gauss ), mT ( milli Tesla ).
DC and AC magnetic field measurement.
DC Range : 300.00 mT/3000.0 mT.
AC Range : 150.00 mT/1500.0 mT.
Resolution : 0.01/0.1 mT, 0.1/1 G.
Data Hold Freeze the display reading.
N pole/S pole indicator.

LT MANOMETER 2000 mbar, Dual & differential input Model : PM-9100

Features :

Dual & differential input, 2000 mbar ( 2 bar ) maximum range.
Application : Industrial, laboratory, heating, ventilation, medical hospital…….
Used for dry, non-corrosive and nonionic air and gas only. Liquid is prohibited.
Sensor is built inside the housing.
Single lugs for pipe connection.
8 kind display units ( mbar, psi,Kg/cm^2 mm Hg, inch Hg,meter H20,inch H20, Atmosphere ) select by push button on the front panel.Records max. & min readings.
Zero button on the front panel, easy tooffset the zero value.
Data Hold.
RS232 PC serial interface, can matchthe personal computer used as theData Logger, Recorder…. and other modern pressure measuring system.

LT MANOMETER 2000 mbar, Dual & differential input Model : PM-9100HA

Features :

Dual & differential input, 2000 mbar ( 2 bar ) maximum range.
Application : Industrial, laboratory, heating, ventilation, medical hospital,used for air or not corrosive and not ionized gas.
The sensor is built inside the housing.
Single lugs for pipe connection.
8 kinds of display units ( mbar, psi, Kg/cm2mm Hg, inch Hg, meter H20, inch H20, Atmosphere ) select by pushing the button on the front panel.
Records max. & min. readings.
Zero button on the front panel, easy to offset the zero value.
Data Hold.

LT MANOMETER 7000 mbar, Dual & differential input Model : PM-9107

Features :

Dual & differential input, 7000 mbar ( 7 bar ) maximum range.
Application : Industrial, laboratory, heating, ventilation, medical hospital,used for air or not corrosive and not ionized gas.
Sensor is built inside the housing.
Single lugs for pipe connection.
8 kind display units ( mbar, psi,Kg/cm^2 mm Hg, inch Hg, meter H20,inch H20, Atmosphere ) select by pushbutton on the front panel
Records max. & min. readings.
Zero button on the front panel, easy to offset the zero value.
Data Hold.RS232 PC serial interface, can matchthe personal computer used as the Data Logger, Recorder…. and other modern pressure measuring system.

LT MOISTURE METER Model : MS-7000

Features :

Measure moisture content over range 9 % to 30 %.9 material species groups memory,calibrations for about 150 different species of wood/timber are provided.
Built-in self-calibration circuit.
0 to 50 manual temperature ℃ compensation setting.
Microprocessor circuit.
Records Max. & Min. reading.
Data hold.
Separate pin type moisture probe,easy operation. & remote measurement.
RS232 computer interface.

LT MOISTURE METER Model : MS-7003

Features :

Designed to check the moisture level of wood, concrete, and other non-wood material.
6 % to 40 % moisture range on wood.
0 to 100% relative moisture value for Concrete and other non-wood material.
Red LED bar graph indicator and LCD digital display.
All in one, meter build in the test pins.
Optional separate probe, available for remotemeasurement.
Microprocessor circuit assures maximum possible accuracy, provides special functions and features.

LT MOISTURE METER Model : PMS-713

Features :

Designed to check the moisture level of wood, concrete, and other non-wood material.
6 % to 40 % moisture range on wood.
0 to 100% relative moisture value for Concrete and other non-wood material.
All in one, meter build in the test pins.
Data hold function to freeze the desired value on display.
Microprocessor circuit ensures high accuracy and provides special functions and features.
Operates from DC 1.5V ( UM4/AAA ) x 4 PCs batteries.
Built-in low battery indicator.
With the pins’ protection cover.
Durable, long-lasting components, enclosed in strong, compact ABS-plastic housing.

LT SOIL MOISTURE METER Model : PMS-714

Features :

Designed to check the moisture level of soil or other similar material.
Measurement range : 0 % to 50 % moisture content of soil sample with 0.1 % resolution.
All in one digital soil meter, easy to make operation.
Data hold function to freeze the desired value on display.
Microprocessor circuit ensures high accuracy and provides special functions and features.
Operates from DC 1.5V ( UM4/AAA ) x 4 PC batteries.
Built-in low battery indicator.
Durable, long-lasting components, enclosed in strong, compact ABS-plastic housing.

LT ORP METER Model : ORP-203

Features :

Display :13 mm ( 0.5″ ) LCD, 3 1/2 digits.
Range :-1999 mV to 1999 mV.
Resolution: 1 mV.
Accuracy :± (0.8 % + 1 d) – 23± 5 . ℃
Input Impedance:1000 Meg ohms.
Sampling Time : Approx. 0.4 second.
Op. Temp: 0 to 50 ( 32 to 122 ). ℃ ℉
Operating :Less than 80 % RH.
Humidity.

LT ORP METER Model : ORP-213

Features :

Use for ORP ( Oxidation Reduction Potential ) measurement in plating baths, waste water monitoring and other applications such as Aquarium, Beverage, Fish hatcheries, Food processing, Photography, Laboratory, Quality control,School & Colleges, Swimming Pools….
Professional pen digital type ORP meter.
Range : -1,000 mV to 1,000 mV.
IP 65 water resistance, heavy duty.
Complete set with ORP electrode, ORP-14.
Separate ORP electrode, easy for general purpose usage and remote measurement.
Build in reverse display button.
Data hold.
Compact size, light weight.

LT O2 METER Model : PO2-250

Features :

O2 ( Air oxygen ) and Temp. ( Air Temp. ) measurement.
O2 measurement range : 0 to 30.0 % x 0.1 %.
Temp. measurement range : 0 to 50 ℃, ℃/℉.
O2 Buzzer warning : If the measurement value < 18.0 %O2, the buzzer will sound for warning.
Galvanic cell type for O2 sensor.
High-reliability Oxygen sensor, not be affected by acidic gases like CO2.
Oxygen sensor with temperature compensated.
Data hold, to freeze the desired reading value.
Auto power off saves battery life.

LT PH METER Model : PH-201

Features :

Features :Economical cost digital PH meter
General purpose applications.
Easy operation.
Compact size, light weight.
Display: LCD, size : 45 mm x 29 mm.
Measurement : pH.
Range/Resolution : 0 to 14 pH x 0.01 pH.
Accuracy : ± 0.07 pH ( pH 5.00 – pH 9.00 ), ± 0.1 pH ( pH 4.00 – pH 4.99 ), ± 0.1 pH ( pH 9.01 – pH 10.00 ) ± 0.2 pH ( pH 1.00 – pH 3.99, pH 10.01 – pH 14.00 ).
Main instrument only

LT PH METER pH, mV, ATC, RS232 Model : PH-207

Features :

Microprocessor circuit assures maximum possible accuracy, provides special functions and features
Wide automatic & manual temperature compensation range.
Super large LCD display with contrast adjustment for best viewing angle.
Dual function meter’s display.
Heavy duty & compact housing case, designed for easy carry out & operation With the optional temp.

LT SOIL PH METER Model: PH-212

Features :

Kits with pH meter, soil pH electrode, pH 4.0 /pH 7.0 standard buffer solution and carrying case.
Spear Tip pH electrode ( included ), ideal for penetration pH measurement into soil, meats, cheese and other type of measurements requiring sample penetration. The electrode features a very durable glass
measuring spear packaged in a rugged virtually unbreakable epoxy body.
Build in Slop ( pH 4, pH 10 ) and Cal. ( pH 7 ) adjust VR.
Large LCD display.
Easy operation, compact size.
Water resistance on the front panel.

LT PEN pH TESTER Model : PH-220

Features :

Pen type digital pH meter.
Separate pH electrode, easy for general purpose usage and remote measurement.
Complete set with one separate pH electrode ( PE-11 ) and pH 4, pH 7 standard solution.
Can select the display direction ( normal or reverse ).
Water resistance, IP65 protection.
Auto calibration for pH 4, pH 7 or pH 10.
Build in reverse display button.
Data hold.
Auto power off.
Compact size, light weight.
Available for wide applications, such as aquarium, beverage, fish hatcheries, foodprocessing, photography, laboratory, quality control, school & colleges, swimming pools,water conditions.

LT SOIL pH METER Model : PH-220S

Features :

Complete set with pen pH meter, soil pH electrode, pH 4.0 /pH 7.0 standard buffer solution.
Spear Tip pH electrode ( included ), ideal for penetration pH measurement into soil, meats, cheese Humidity and other type of measurements requiring sample penetration. The electrode features a very durable glass measuring spear packaged in a rugged virtually
Consumption of unbreakable epoxy body.
Separate soil pH electrode, easy for general purpose usage and remote measurement.

LT PEN pH METER Model : PH-222

Features :

Pen type digital pH meter, all in one, pH electrode is included, easy for general purpose application.
Build in temperature sensor, ATC ( auto temperature compensation ).
pH 4, pH 7 standard solution are standard accessories.
Easy to change the pH electrode.
Temperature measurement, , . ℃ ℉
IP67, water proof and protection.
Auto calibration for pH 4, pH 7 or pH 10 or other value.
High input impedance. electrode, easy for general purpose usage and remote measurement.

LT pH METER Model : PH-230SD

Features :

pH : 0 to 14.00 pH, mV ( ORP ) : ± 1999 mV.
pH measurement can select ATC or manual Temp. adj..
Optional ATC probe for pH measurement.
pH measurement can make the auto calibration for pH 7, pH 4 and pH 10 or other value.
Real time SD memory card Datalogger, it Built-in Clockand Calendar, sampling time set from 1 sec to 8 hour Temperature 59 min. 59 sec.

LT O2 METER Model : PO2-250

Features :

O2 ( Air oxygen ) and Temp. ( Air Temp. ) Weight 194 g/ 0.43 LB.
measurement. Dimension 180 x 40 x 40 mm (7.1″ x 1.6″ x 1.6″).
O2 measurement range : 0 to 30.0 % x 0.1 %. Accessories Instruction manual……………………1 PC.
Temp. measurement range : 0 to 50 ℃, ℃/℉. Included Soft carrying case ( CA-52A )………1 PC
O2 Buzzer warning : If the measurement value < 18.0 Application %O2, the buzzer will sound for warning.
Galvanic cell type for O2 sensor.
High-reliability Oxygen sensor, not be affected by acidic gases like CO2.
Oxygen sensor with temperature compensated.

LT SOUND CALIBRATOR Model : SC-941

Features :

Use to calibrate the ” Sound Level
meter ” precisely.
1000 Hz frequency .
94 dB Sound Pressure Level
Suitable for 0.5 & 1 inch microphone.
Total harmonic distortion : 2 %.
According IEC942, Class 2 Standard
Power by 006P DC 9V battery, 2 PCs.
Durable bench type housing case.
Built-in over input protection.

LT SOUND CALIBRATOR 94 dB and 114 dB Model : SC-942

Features :

Useful tool to calibrate the Sound Level meter precisely.
Frequency : 1000 Hz ± 5 %.
Sound Pressure Level :94 dB and 114 dB.
Suitable Microphone Type :0.5 inch or 1 inch microphone.
Power : 2 PCs 006P DC 9V batteres.

LT SOUND LEVEL METER Model : SL-4001

Features :

Large LCD display, easy to read.
Max. Hold function for stored the maximum value on display.
Frequency weighting networks are designed to meet the IEC 61672 CLASS 2.
Warning indicator for over and under load.
A & C weighting networks are conformity to standards.
AC/DC output for system expansion.
Build in adj.
Small and light weight design allow one hand operation.

LT SOUND LEVEL METER Model : SL-4010

Features :

Large LCD display, easy to read .
LCD display for low power consumption & clear read-out even in bright ambient light condition.
Charateristic of ” A ” frequency weighting network are designed to meet IEC 61672 class 2.
” Fast ” time weighting characteristic mode.
Build in adj. VR is available for easy calibration. .
Condenser microphone for high accuracy & long-term stability. .
Hold function to freeze the display value.
Low battery indicator.
Warning indicator for over and under range.
High quality with economical cost.

LT SOUND LEVEL METER Model : SL-4011

Features :

Large LCD display, easy to read.
Frequency weighting networks are designed to meet the IEC 61672 class 2.
LCD display for low power consumption & clear read-out even in bright ambient light condition.
A & C weighting networks are conformity to standards.Time weighting(FAST & SLOW) dynamic characteristic modes.
Used the durable, long-lasting components, including a strong,light weight ABS-plastic housing case.
AC/DC output for system expansion.
Condenser microphone for high accuracy & long-term stability.
Low battery indicator.

LT SOUND LEVEL METER Model : SL-4012

Features :

Large LCD display, easy to read.
Frequency weighting meet
IEC 61672 class 2.
Auto range & manual range.
A & C frequency weighting.
Fast & Slow time weighting
AC output for system expansion.
RS232 computer interface.
External calibration VR.
Hold & Memory record.
High accuracy condenser microphone
Peak Hold.
Over and under load indicator.
LCD display.
Durable, strong light weight ABS-plastic housing case.

LT SOUND LEVEL METER Model : SL-4013

Features :

Separate sound probe, easy operation.
Large LCD display, easy to read.
Frequency weighting meet
IEC 61672 class 2.
Auto range & manual range.
A & C frequency weighting.
Fast & Slow time weighting
AC output for system expansion.
RS232 computer interface.
External calibration VR.
Hold & Memory record.

LT SOUND LEVEL METER Model : SL-4023SD

Features :

Main functions are designed to meet IEC 61672 class 2.
A & C weighting networks comply with standards.
0.5″ standard microphone head. (Fast & Slow) response time weighting.
Time weighting (Fast & Slow) dynamic characteristic modes.
“Slow” range is easy to get the average values of vibration sound level.
Build External calibration VR.
Auto range & Manual range selection. Range selector Auto range : 30 to 130 dB.
Available for external calibration adjustment.
Condenser microphone for high accuracy & stability.

LT SOUND LEVEL METER Model : SL-4030

Features :

Large LCD display, easy to read.
Time weighting and frequency weighting meet , .IEC 61672 class 2.
A & C weighting networks are conformity to standards.
0.5″ standard out size of the microphone.
Time weighting (Fast & Slow) dynamic characteristic modes.
AC / DC output for system expansion.
External calibration VR.
“Fast” range is simulated the stability.
Condenser microphone for high accuracy & long-term human ear response time.

LT SOUND LEVEL METER Model : SL-4033SD

Features :

Frequency and time weighting meet IEC 61672 class 1
Peak hold To keep the peak ( max. ) measurement value.
A & C weighting networks comply with standards.
0.5″ standard microphone head.
Time weighting (Fast & Slow) dynamic characteristic weighting modes.
Build External calibration VR.
Auto range & Manual range selection.
Available for external calibration adjustment.
Condenser microphone for high accuracy & long-term Range selector Auto range : 30 to 130 dB stability. Manual range :Memory function to store the Max. & Min. value.

LT LASER PHOTO/CONTACT TACHOMETER Model : DT-1236L

Features :

World’s patent, Multi-functions, one instrument combine Photo Tach.( RPM )Contact Tach. ( RPM, m/min., ft/min. )
High visible LCD display gives RPM reading exactly with no guessing or errors & saves battery energy.
Laser light source, long detecting distance.
Wide measuring range from 0.5 to 100,000 RPM.
High precison with 0.05% accuracy.

LT Pocket PHOTO/CONTACT TACHOMETER Model : DT-2230

Features :

Compact and pocket tachometer.
The best Tachometer in the world. 2 in 1, one Photo 5 to 150 cmtypically.instrument combine Photo tachometer and Contact Tachometer Photo tachometer uses Laser light detecting source, distance 10 mm square & the measuring RPM long measuring range up to 1.5 meters, it is useful in the RPM measurement application where the machine would be a risk to the operator or close access is difficult or not possible.

LT CONTACT TACHOMETER Model : DT-2235B

Features :

Compact and pocket tachometer.
The best Tachometer in the world. 2 in 1, one Photo 5 to 150 cmtypically.instrument combine Photo tachometer and Contact Tachometer Photo tachometer uses Laser light detecting source, distance 10 mm square & the measuring RPM long measuring range up to 1.5 meters, it is useful in the RPM measurement application where the machine would be a risk to the operator or close access is difficult or not possible.

LT DIGITAL TACHOMETER Model : DT-2236

Features :

World’s patent, Multi-functions, one
instrument combine Photo Tachometer
RPM ) and Contact Tachometer ( RPM,
m/min., ft/min. ).
Wide measuring range :0.5 to 100,000 RPM.
< 1,000 RPM, 0.1 RPM resolution .
High precision with 0.05% accuracy.
Memorize the last value, max., value, min. value
High visible LCD display.
Exclusive one-chip LSI circuit & crystal time base.

LT DIGITAL STROBOSCOPE Model : DT-2239A

Features:

Display:0.3″ LED, 4 digits.
Stroboscopic: 100 to 10,000 flashes perFlash Rate minute (FPM).
Accuracy: 100 to 5,000 FPM/RPM) ± 1 digit. Consumption over 5000 FPM/RPM – ±0.05%
Resolution :Less than 10,000 FPM/RPM- 1 FPM/RPM.

LT TACHOMETER/STROBOSCOPE Model : DT-2259

Features:

Intelligent, microprocessor circuit design, high accuracy, wide range, digital readout.One instrument include two functions of ” Digital Photo Tachometer ” & ” Digital Stroboscope .
Wide setting range from 100 RPM to 100,000 RPM, digital display with high accuracy. Modern solid state high visible orange light, long life, almost maintenance free. It is ideal for inspecting and measuring the speed of moving gears, fans, centrifuges, pumps, motors and other equipment used in general industrial maintenance, production, quality control, laboratories and as well as for schools and colleges for demonstrating strobe action.

LT 12 channels Temp. RECORDER Model : BTM-4208SD

Features:

12 channels Temperature recorder, use SD card to
Power off Auto shut off saves battery life or save the data along with time information, paperless. manual off by push button.
Real time data logger, save the 12 channels Temp. ℃measuring data along the time information ( year, month, date, minute, second ) into the SD memory Operating Less than 85% R.H is no need. User can make the further data or graphic analysis by themselves.
AAlkaline or heavy duty DC 1.5 V batteryPower Supply. .

LT THERMOMETER Model : PTM-806

Features:

Both type K temp. measurement, wide range.
0.1 degree. ℃ ℉ .
Meter can default the measuring unit to or . ℃ ℉ .
Standard type K input socket, can cooperate the full line optional type K temp. probe.
Two type display, normal or reverse, easy for Accessory ( 210 x 80 x 50 mm ), Model : CA-52A operation. ,
Data hold to freeze the display value. TP-02A. TP-03, TP-04.
Bright LCD display.

LT THERMOMETER CALIBRATOR Model : TC-920

Features:

2 in 1, one meter included ” type k thermometer ” &” type k thermocouple calibrator “.
Precision calibrator for type k thermometer, calibrating rocess devices and measuring process signals.
Wide range : -199 to 1230 ( -325 to 2246 ).

LT PRECISION THERMOMETER Model : TM-907A

Features:

Professional thermometer with high accuracy & 0.01 resolution.
Build in 0.01& 0.1select switch on the front panel.
RS 232 computer serial interface.
PT 100 probe input cooperate with an 0.00385 alpha coefficient, meet DIN IEC 751.
Super large LCD with unit display, easy readout.
Data hold function to store the desired value.
Cooperate with 4 wires Pt-100 ohm probe,high precision.
Memory function to record the maximum & minimum reading with recall.
Wide range display from -199.99 to 850 . ℃
Built-in low battery indicator.

LT PRECISION THERMOMETER Model : TM-917

Features:

Professional thermometer with high accuracy & 0.01 resolution.
Build in 0.01& 0.1select the switch on the front panel.
Super large LCD with unit display, easy readout.
Accept multi-type temp. probe input: platinum PT 100 ohm, thermocouple type K/J/T/E/R.
Data hold function for storing the desired value on the display. With 0.01 high resolution both for Platinum &Thermocouple probe input.

LT 4 channels THERMOMETER Model : TM-947SD

Features:

Type K/J/T/E/R/S, Pt 100 ohm, measurement with 4 display.
Power off Auto shut off saves battery life or manual off by push button.
Show 4 channels display on the LCD at the same time.
Type K : -100 to 1300 . ℃.
Type J : -100 to 1200 . ℃

LT TYPE K TEMPERATURE PROBE

Features:

Type K PROBE Measurement Range Accuracy
Model :(Type K) TP-01 Max. short-term operating
Temperature : ± 0.4 %
-40 ℃ to 250 ℃
-40 ℉ to 482 ℉. ℃
It is an ultra fast response naked-bead thermocouple suitable for many general purpose application.
Thermocouple: Measure Range: -50 ℃ to 900 ℃,
Probe “-58 ℉ to 1652 ℉. ± 0.75 %
(Type K), TP-02A : Dimension:12cm tube, 3.2mm Dia.

LT PT 100 ohm TEMP. PROBE Model : TP-100

Features:

Features: Cooperate with an 0.00385 alpha coefficient, meet DIN IEC 751.
0 resistance : ℃ 100 ohm.
Measuring :-50 to 400 . ℃
Range :-58 to 752 . ℉
Plug : DIN plug, 4 pins/4 wires.
Class :Class A.

LT 15 Kg-cm TORQUE METER Model : TQ-8800

Features:

Professional torque meter with 15 Kg-cm torque probe, full set.
3 kind display unit : Kg-cm, Kg-cm, LB-inch and Newton-cm.
Peak value measurement.
Data hold.
Peak hold measurement .High/Low resolution button.
Fast/Low sampling button. Record Max. and Min. readings.

LT TORQUE WRENCH Model : TQ-8803

Features:

Professional and Heavy duty torque wrench.
Max. meaurement capacity: 1000 Kgf-cm, 868 lbf-inch, 9,810 Newton-cm.
Unit : Kgf-cm, lbf-in ( lbf-inch ) and N-cm ( Newton-cm ).
Auto data hold function to freeze the last measurement reading.
LCD display with backlight, easy readout.
Alarm value setting with beeper sound.
Size of square drive : 3/8 inch square ( 9.53 mm square ).
LCD display with backlight, easy readout.
Auto shut off circuit to save battery life,
Microcomputer circuit, high performance.
Metallic heavy duty & compact housing case.
Power supply : DC 1.5V battery ( UM-4, AAA ) X 4 PCs.

LT UV LIGHT METER Model : UV-340A

Features:

Professional, high quality UV meter.
Ultra-violet irradiation measurement for
UVA & UVB.
UV detector spectrum from 260 nm to 390 nm.
Hi, Lo measurement range. 19990 and 1999 uW/cm^2.
Exclusive UV sensor structure.
Sensor with cosine correction filter.
Build Zero button.
Microprocessor circuit provides high reliability and durability.
Separate UV LIGHT probe allows user to measure the UV light at an optimum position.
LCD display, easy readout.
Heavy duty & compact housing case.

LT TURBIDITY METER Model : TU-2016

Features:

Designed to meet ISO 7027.
NTU ( Nephelometric TURBIDITY Unit ) measuring unit.
Wide and auto measurement range : 0 to 1,000 NTU.
High resolution : 0.01 NTU/1 NTU.
The unique optics structure, enables the instrument to read low value of TURBIDITY to the high level up to 1,000 NTU.
Four operation buttons and two calibration points, easy operation.
Jumbo LCD, easy readout.
Microprocessor circuit assures maximum possible accuracy, provides special functions and features.
Battery operated for field and on-site testing convenience.

LT UVA LIGHT METER Model : UVA-365A

Features:

Long wave 365 nm ultra-violet irradiance measurement.
Professional, high quality UVA meter.
Wide measurement range, 199.9 uW/cm^2, 1.999 mW/cm^2 and 19.99 mW/cm^2.
Microprocessor circuit assures maximum possible accuracy, provided special functions and features.
Exclusive UVA sensor with correction filter.
Super large LCD display, easy readout.
Records Maximum, Minimum with recall..

LT UVC LIGHT METER Model : UVC-254A

Features:

Short wave 254 nm ultra-violet irradiance measurement.
Professional, high quality UVC meter.
Wide measurement range, 199.9 uW/cm^2, 1.999 mW/cm^2 and 19.99 mW/cm^2.
Microprocessor circuit assures maximum possible accuracy, provided special functions and features.
Exclusive UVC sensor with correction filter.
Super large LCD display, easy readout.
Heavy duty & compact housing case.Records Maximum, Minimum with recall.
Data hold.

LT UVC LIGHT METER Model : UVC-254SD

Features:

Professional UVC light meter.
Data Output RS 232/USB PC computer interface.
Short wave 254 nm ultra-violet irradiance measurement.
Professional UVC light meter, used to measure the UVCirradiation value under the UVC light source.
Connect the optional USB cable USB-01 will get the USB plug.
Two ranges : 2 mW/cm^2, 20 mW/cm^2.
Exclusive UVC sensor structure with metallic housing case.

LT VIBRATION METER Model : PVB-820

Features:

Applications for industrial vibration monitoring:All industrial machinery vibrates.
The level of vibration is a useful guide to machine condition. Poor balance,misalignment & looseness of the structure will cause the vibration level increase, it is a sure sign that the maintenance is needed.
Pen type digital vibration meter, vibration sensor is built in, all in one.
Acceleration, Velocity measurement, RMS measurement value.

LT VIBRATION METER Model : VB-8200

Features:

Applications for industrial vibration monitoring : All industrial machinery vibrates. The level of vibration is a useful guide to machine condition.
Poor balance, misalignment & looseness of the structure will cause the vibration level increase,it is a sure sign that the maintenance is needed.
Frequency range 10 Hz – 1 kHz, sensitivity relative
meet ISO 2954.
Super large LCD display.
Data hold button to freeze the desired reading.
Memory function to record maximum and minimum reading with recall.
Separate vibration probe, easy operation.

LT VIBRATION METER Model : VB-8201HA

Features:

Wide frequency range.
Data hold button to freeze the desired reading.
Auto shut off saves battery life.
Heavy duty & compact housing case.
Built-in low battery indicator.
Velocity measuring range 200 mm/s.
Acceleration measuring range 200 m/s^2.

LT VIBRATION METER Model : VB-8202

Features:

Applications for industrial vibration monitoring : All industrial machinery vibrates. The level of vibration is a useful guide to machine condition.
Poor balance, misalignment & looseness of the structure will cause the vibration level increase, it is a sure sign that the maintenance is needed.
Separate vibration probe.
Frequency range 10 Hz – 1 kHz,sensitivity relative meet ISO 2954.
Professional vibration meter supply with vibration sensor, full set.

LT VIBRATION METER Model : VB-8206SD

Features:

Applications for industrial vibration monitoring : All industrial machinery vibrates. The level of vibration is a useful guide to machine condition. Poor balance, Approx. DC 15 mA. misalignment & looseness of the structure will cause the vibration level increase, it is a sure sign that the maintenance is needed. Approx. DC 36 mA.
Frequency range 10 Hz – 1 kHz, sensitivity relative meet ISO 2954.
Professional vibration meter supply with vibration sensor& magnetic base, full set.
Metric & Imperial display unit Acceleration, Velocity,
Displacement measurement.

LT VIBRATION METER Model : VB-8210

Features:

Applications for industrial vibration monitoring : All industrial machinery vibrates. The level of vibration is a range useful guide to machine condition. Poor balance, misalignment & looseness of the structure will cause the vibration level increase, it is a sure sign that the maintenance is needed.
Frequency range 10 Hz – 1 kHz, sensitivity relative meet point ISO 2954.
Professional vibration meter supply with vibration sensor & magnetic base, full set.

LT VIBRATION METER Model : VB-8213

Features:

Applications for industrial vibration monitoring: All industrial machinery vibrates. The level of vibration is a useful guide to machine condition. Poor balance, misalignment & looseness of the structure will cause the
vibration level increase, it is a sure sign that the Optional maintenance is needed.
Frequency range 10 Hz – 1 kHz, sensitivity relative meet ISO 2954.
Professional vibration meter supply with vibration sensor& magnetic base, full set.
Metric & Imperial display unit.
Acceleration, Velocity, Displacement measurement.

LT VIBRATION METER Model : VB-8216SD

Features:

Applications for industrial vibration monitoring : All industrial machinery vibrates. The level of vibration is a useful guide to machine condition. Poor balance, misalignment & looseness of the structure will cause the vibration level increase, it is a sure sign that the maintenance is needed.
Analog output.
Frequency range 10 Hz – 1 kHz, sensitivity relative meet ISO 2954.
Professional vibration meter supply with vibration sensor & magnetic base, full set.
Metric & Imperial display unit .
Acceleration, Velocity, Displacement measurement.
RMS, Peak value, Max. hold measurement.

LT VIBRATION/TACHOMETER Model : VT-8204

Features:

Applications for industrial vibration monitoring: All industrial machinery vibrates. The level of vibration is a useful guide to machine condition. Poor balance, misalignment & looseness of the structure will cause the vibration level increase, it is a sure sign that the maintenance is needed.
Acceleration range : 200 m/s^2.
Velocity range : 200 mm/s.
Displacement ( p-p ) range : 2 mm.
Metric and imperial display unit .
RMS measurement for Acceleration and Velocity.

LT 12 channels Temp. RECORDER Model : BTM-4208SD

Features:

12 channels Temperature recorder, use SD card to save the data along with time information, paperless.
Real time data logger, save the 12 channelsTemp.measuring data along the time information ( year, month, date, minute, second ) into the SD memory card and can be down load to the Excel, extra softwareis no need. User can make the further data or graphic Power Supply analysis by themselves.
Channels no. : 12 channels ( CH1 to CH12 ) temperature measurement.
Sensor type : Type J/K/T/E/R/S thermocouple.
Auto datalogger or manual datalogger.
Data logger sampling time range : 1 to 3600 seconds.

LT VOLTAGE/CURRENT CALIBRATOR Model : CC-421

Features:

The instruments Powers or Measure a two-wire current loop. Four function provide the quality accuracy of handheld calibrator : a. Precision current Portable instrument for calibrating process devices and and measuring process signals. source. b. Measurement of a current signal. c.
Adjustable 0-24 mA current source.
Adjustable -199.9 mV to +1.99.9 mV DC voltage and measurement of two wire loop. d.
Precision DC source.
Current calibrator drives loads up to 500 ohms.

LT NOISE DOSIMETER Model : DS-2013SD

Features:

Personal sound exposure meet IEC 61252.
Frequency and Time weighting are designed to meet weighting IEC 61672 class 2.
A & C weighting networks comply with standards.
LCD is dot-matrix with backlight and easy reading.
Combination Dose meter, Data-logger and Sound level meter.
0.5″ standard microphone head.
Data hold To freeze the measurement value.
Time weighting (Fast & Slow) dynamic characteristic modes.
Build External calibration VR.

LT EARTH RESISTANCE TESTER Model : ET-3000

Features:

Earth Resistance and Earth Voltage Measurement.
3 ranges for earth resistance measurement 19.99 ohm, 199.9ohm,1.999 K ohm.
0 to 199.9 V for earth voltage measurement.
18 mm, large size LCD display.
Data hold.
Built-in over input indication.
Durable & portable housing plastic case with the front protective cover.
Complete testing accessories included.R.

LT LCR METER Model : LCR-9184

Features:

19,999/1,999 counts dual LCD display.
AutoLCR smart check and measurement.
Serial/Parallel modes are selectable.
Ls/Lp/Cs/Cp with D/Q/θ /ESR parameters.
Support DCR mode 1.00 Ω to 200.0 MΩ .
Five different test frequency are available :
100 Hz/120 Hz/1 KHz/10 KHz/100 KHz.
Test AC signal level : 0.6 V rms typically.
Test range : ( ex. F = 1 KHz )
L : 200.00 uH to 2000.0 H
C : 2000.0 pF to 2.000 mF
R : 20.000Ω to 200.0 MΩ
Multi-level battery detector.
LCD with green light backlight，easy reading.
RS232/USB PC Computer interface.
Can default auto power .

LT HIGH PRECISION MILLIOHM METER Model : MO-2013

Features:

4 terminal devices for accurate measurement of very low resistance.
Data Output : RS 232/USB PC serial interface.
Ideal for measuring the resistance of components precisely. UPCB-02 will get the RS232 plug.
Ideal for testing protective conductors, lightning conductors and welded points.

LT Micro-Ohm METER Model : MO-2014

Features:

4 terminal devices for accurate measurement of very low resistance.
Ideal for measuring the resistance of components Dimension 225 x 125 x 64 mm precisely.
Ideal for testing protective conductors, lightning conductors and welded points.
Maximum test current is 10A ( 60000uΩ range only ).
Have two working mode , Resistive and Inductive mode, Normal is resistive mode.
Good / Fail set-function for input quality control.

LT RESISTANCE DECADE BOX Model : RBOX-408

Features:

Applications :
General applications
Troubleshooting, maintenance
Education and Vocational training
Production line testing
Radio and TV services.
Working standards Research design & develop
Physics laboratory work.
Pocket size, offering accurate,reliable performance.