TRH-03-25 TRH-02-15

Measured Values

Working range 0-100% RH / -40...60°C
Accuracy at 20 °C ±2.5% RH / ±0.3°C ±1.5% RH / ±0.2°C


Analog output 4-20mA


Power supply for 4 - 20 mA 10V + RL x 20 mA < V+ < 30V DC
Display Not Available  Optional
Connection Screw terminals, max. 1.5 mm2
Housing material Polycarbonate, UL94V-0 (with Display UL94HB) approved
Protection class IP65 / NEMA 4
Cable gland M16 x 1,5
Probe cable (type C) PVC, Ø 4.3mm, 4 x 0.25 mm2, Length: 1.5 or 3m (4.9 or 9.8ft)
Electromagnetic compatibility EN61326-1 EN61326-2-3 - Industrial Environment
Temperature ranges Operating: -40...60°C (-40...140°F) (-40...80°C for remote probe)
Storage: -40...60°C (-40...140°F)
Temperature ranges with display Operating: -20...50°C (-4...122°F) (-40...80°C for remote probe)
Storage: -20...60°C (-4...140°F)


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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.


  • 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