Easy push-button calibration with USA/NIST buffer recognition for fast, effortless calibration. Controller freezes data transmission and relay activities during calibration and maintenance
Symmetrical mode of operation for clear, uninterrupted readings even in electronically noisy environments
Two SPDT relays with independent hysteresis ? effective high/low set-points limit control with minimal relay-chattering
Choice of automatic or manual temperature compensation. Three-wire system compensates error due to cable resistance
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