Temperature and relative humidity transmitter for duct
Probe length 230 mm
Output signal 0 ÷ 10 Vdc / Ohm (temp.) (3 + 2 wires)
Degree of protection IP65

The relative humidity transmitters, also available combined with temperature sensor, are used in air conditioning system for the measurement of relative humidity. They measure the relative humidity value to be measured by a capacitive sensitive element whose signal, suitably linearized and amplified, is transformed into a voltage signal (0..10 V) or current (4..20 mA ) at the terminals of output.
In models with temperature sensor the sensing element is constituted by a resistance NTC (5 kΩ).

MeasureRelative Humidity, Temperature
Sensing elementNTC 5 kOhm
T Fluid min [°C]0
T Fluid max [°C]50
Power supply15 to 35 V DC, 24 V AC
Output signal0÷10 Vdc, 4÷20 mA


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