Siemens Symaro™ Room sensors QFA41..for relative humidity (high accuracy) and temperature with calibration certificates
- Operating voltage AC 24 V / DC 13.5…35 V
- Signal output DC 0…10 V / 4…20 mA for relative humidity and temperature
- Very high measuring accuracy across the entire measuring range
- Capacitive humidity measurement
- Test function for loop test
- Range of use -40…+70 °C / 0…100 % r. h. with LCD display -25…+70 °C / 0…100 % r. h.
The QFA41.. sensor is used in ventilation and air conditioning plants requiring:
- Very high accuracy and reliability for measuring relative humidity and temperature
- Regular recalibration and readjustment of the sensors
- Storage and production facilities in the paper, textiles, pharmaceutical, chemical, electronics industries, etc.
- Computer centers