Duct Temperature Sensors QFM21... are for measuring relative humidity and temperature. in air ducts of ventilation and air conditioning plants. Symaro™ Duct sensors QFM21... for relative humidity and temperature
QFM21 Features:
Operating voltage AC 24 V / DC 13.5...35 V
Signal output DC 0...10 V / 4…20 mA for relative humidity
Signal output DC 0...10 V / 4…20 mA / T1 / LG-Ni 1000 for temperature
Measuring accuracy 3 % r. h. within the comfort range
Range of use 15…60 °C / 0…95 % r. h. (non-condensing)
