gas safety device 1)Unit:ppm, mA, %,%LEL,%VOL 2)Display:backlight LCD, ... , field or remote operation separate from the control units. * Automatic temperature compensation ensure the correct measurement. Gas transmitter Technical dataRanges: Sensor ... Accuracy: ±3%F.S., ±1%F.S.(on request)Operating temperature: Sensor dependent, -40~70C(typical) Humidity range: 15-95% R ...