TRH21

Relative humidity sensor, 4... 20 mA output

  • Humidity sensor
  • Power supply: 9... 28 Vdc
  • Power consumption50 mA
  • Humidity measuring range: 0... 100% RH
  • Humidity output signal: 4 (0%)... 20 mA (100%)
  • Wall mounting with sensor to be mounted downside
  • Dimensions 80 x 122 mm, depth 50 mm
  • Connections screw terminals
  • Enclosure protection class IP 65
  • Humidity total accuracy: ± 3% (without presence of pollutants, at 25°C)
  • Temperature overall Accuracy: ± 0.6°C/ 5... 60 °C (±1.08 °F/41... 140 °F)
  • Humidity response time: 10 sec. to reach 63% of the variation (at 25°C and with air speed at 1 m/s)
  • Recovery time after saturation: depending on air flow

UL Recognition Canada USA

Ref. UL/CSA/IEC/EN 60730-1