TECHNISCHE DETAILS

  LH1-RHT-D LH1-RHT-W

General

Transmitter 3 -wire
Supply voltage 15…40 VDC
Current consumption Transmitter with current output: < 55 mA
Parameters Humidity and/or temperature
Housing material / IP ABS / IP65
Weight wall and duct versions Approx. 140 g
Sensors integrated in device Yes
Operating and measurement range 0…50 °C / 5…95 %RH
CE / EMC compatibility 2004/108/EC

Humidity measurement

Sensor < 3 %RH (10...90 %RH)
Accuracy at 23 °C ±5 K < 3 %RH (10...90 %RH
Long-term stability < 1.5 %RH per year
Response time t63 30 s (63 % of a jump 35...80 %RH) without filter

Temperature measurement

Sensor Thermistor
Temperature range 0...50 °C
Accuracy ± 0.3 °K (0...50 °C)
Response time 4 s

Outputs

Number Two analog outputs
Current 4...20 mA

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Remote LH1-RHT-D

The LH1-RHT-D comes with ±0.3°C and ±3% RH accuracy, suitable for duct mounting. This high-quality humidity and temperature sensor is the ideal solution for usage in a cleanroom, environmental control, laminar control, HVAC and air process applications. 

The sensor has a small footprint which provides an easy mechanical installation.

Features:

  • Range 5…95%RH, 0…50°C
  • Accuracy ±0.3°C and ±3% RH
  • Two analog output (4 - 20-mA)
  • USB service interface
  • Easy mechanical installation