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11 - 13 October 2022 // Nuremberg, Germany

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Exhibitors & Products Chillventa 2018
Zoom Image LOGO_Humidity and Temperature Transducer vith Heating Function from 95% r.H.

Humidity and Temperature Transducer vith Heating Function from 95% r.H.

LOGO_Humidity and Temperature Transducer vith Heating Function from 95% r.H.

Humidity and Temperature Transducer vith Heating Function from 95% r.H.

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The humidity and temperature sensor with transducer measures the temperature and selectively the relative humidity, absolute humidity, air fuel ratio or dew point of the ambient air and transforms it to a linear output signal 0-10 V or 4-20 mA. The secondary measuring value is selectable from the 4 measurement categories % r.H., g/m³, g/kg, DP by a DIP switch. The humidity and temperature sensor is protected against contamination by a screwable sinter filter. In addition, the humidity measuring instrument has an integrated heating function for sensor protection in the high humidity range of 95...99% r.H. If the relative humidity exceeds the factory-preset threshold value for more than 10 minutes, this heating function is activated. Then the sensor will be temporally heated, thus dried respectively protected against condensation. During the heating and subsequent temperature compensation phase, the output signal is kept stable on the last measurement value before the protective function was activated. The humidity and temperature transducer can be adjusted locally for fine calibration by an offset controller.

Product specifications

Measurement range r.H.:

0...100% r.H.

Measurement range abs. humidity:

0...50 g/m³, 0...80 g/m³ (calculated) selectable by DIP switch

Measurement range air fuel ratio:

0...50 g/kg, 0...80 g/kg (calculated) selectable by DIP switch

Measurement range dew point:

-20 up to +50°C DP, -20 up to +80°C DP, 0 up to +50°C DP (calculated) selectable by DIP switch

Measurement range temp.:

-30...+70°C, -20...+80°C, 0...+50°C, 0...+100°C selectable by DIP switch


±3% r.H. (30%...70% r.H., else ±5% r.H. at 20°C), ±0,3 K (10...40°C, else ±0,5 K)

Temperature dependency:

< 0,02% r.H. / °C (voltage output), < 0,04% r.H. / °C (current version);

< 0,05°C / 10 K (voltage version), < 0,07°C / 10 K (current output)

Long term stability:



capacitive humidity sensor

Sensor protection:

screwable stainless steel sinter filter, condensation protection by heating function in the range of 95...99% r.H.

Flow rate:

< 2 m/s

Supply voltage at 0-10 V:

24 V AC/DC (±5%)

Supply voltage at 4-20 mA:

15...36 V DC (Ubmin = 15 V + RLast*0,02A)

Current consumption at 0-10 V:

typ. 10 mA

Current consumption at 4-20 mA:

max. 20 mA

Analogue output 0-10 V:

3-wire connection, load current <0,1 mA

Analogue output 4-20 mA:

2-wire connection (transmitter), max. RLoad(Ohm) = (+Ub - 15 V) / 0,02 A

Electrical connection:

screw terminals max. 1,5 mm²


polyamide with snap closing screws, colour white like RAL 9010

Cable gland:

PG11 high-strength cable gland with strain relief


optional LCD-Display, to display the actual humidity and temperature


Protection tube: brass nickel-plated


Protection tube: Ø 16 x 40 mm

Protection type:


Protection class:


Working range r.H.:

0...98% r.H. in contaminant-free, non-condensing air

Working temperature:

Probe: -20...+80°C, Electronic: -30...+70°C

Storage temperature:



screw fastening


CE-conformity, EAC, RoHS



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