TRH11

Relative humidity sensor, 4... 20 mA output

MODEL DISCONTINUED - Replaced by TRH21

  • Capacitive humidity sensor
  • Dimensions 80 x 80 mm, depth 52 mm
  • Enclosure protection class IP 65
  • Wall mounting
  • Connections with screw terminals 2.5 mm²
  • Measuring range: 0... 100% RH (4... 20 mA)
  • Overall accuracy: ± 2% (10... 95% RH), ± 3% (0... 10/95... 100% RH); (without the presence of air at 23°C and air velocity in 3 m/s)
  • Further errors in the presence of pollutants: ± 2% RH
  • Response time: 30 sec. to reach 63% of the variation (at 23 °C and with air speed at 3 m/s)
  • Recovery time after saturation: approx. 90 sec.
  • Maximum air speed: 20 m/s
  • Temperature compensation: With NTC probe
  • Power supply: 9... 30 VDC
  • Output signal: 4... 20 mA (0... 100% RH)
  • Recommended cable for connection: 2 x 0.75 or 2 x 1 mm ²
  • Polyethylene air filter