Digital humidity and temperature transmitter with Profinet interface

LF-TD Profinet


Measuring transducer for detecting and transmitting relative humidity and temperature in fixed installations. The sensor technology used makes it possible to detect even small fluctuations in humidity and their tendencies quickly and reliably and to take preventive action. The remote sensor head allows flexible mounting options even in difficult-to-access installation locations.

Technical drawing

Technical data

typeLF-TD Profinet
article no.14555
Measuring range 
Relative air humidity0 to 100 %
Temperature-20°C to +90°C
Digital OutputProfinet
accuracy factory calibration   
Relative air humidity± 2.0 %
Temperature  ± 0,3 °C / ± 0,5 °F
Operating temperature 
Sensor tube-20°C to +90°C
electronics-20°C to +85°C
Power supply 
Voltage12 to 29 VDC 
Electrical connectionSensor plug with 1.9m cable
Current consumption approx.approx. 18 mA
Dimensions and other: 
Dimensions sensor headØ 12 x 125 mm
Material sensor head:stainless steel
Sensor cap:stainless steel sinter
Material electronics housinganodised aluminium
Degree of protection electronics housingIP 54

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LF-TD Profinet
Digital humidity and temperature transmitter

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