SOUND LEVEL METER-SL-4001-LUTRON

Large lcd display, easy to read.
A & c weighting networks are conformity to standards.
Ac/dc output for system expansion
Build in adj. Vr is available for easy calibration
Colour: grey
Display :18mm (0.7″) LCD (Liquid Crystal Display), 3 1/2 digits.
Function :dB (A & C frequency weighting), Time weighting(Fast, Slow), Max. hold, AC & DC output.
Measurement Range :3 ranges, 30 to 130 dB, input signal only.