Air thermo-hygrometer 30746 series
without displayrelative humidityrugged

air thermo-hygrometer
air thermo-hygrometer
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for air
without display
Measured value
relative humidity
Other characteristics
rugged, IP54, IP65

60 °C (140 °F)


Humidity transmitter 40 HRG for air duct heater, robust design, measures the relative humidity and provides information through an output signal of 4/20 mA with 2 wires. HRG 40 is suitable for use in harsh environments (saline atmosphere and nitric acids, sulfuric, hydrochloric up to 75000 ppm). Max operating Humidity 93% Digital measurement (sensor included) ensures excellent repeatability and excellent performance characteristics • Cast aluminium box with epoxy coating with sealing gland. • Closing by clip or screw closure (IP 54 or 65) • Stainless steel 316 dipping tube (Ø = 13,5mm) • Pressure holding: 2 bars. • Humidity hystereis : +/- 1,5% • Supply voltage 9 to 36 Vdc by 2 wires with protection against reverse polarity. • Possibility to unplug the sensitive element • Version with display is available on request (LCD 4 digits- 10000 points resolution)


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