Room air quality sensor CO2+temperature (passiv)

Stock no. S55720-S121

Stock no. S55720-S121

Note:Not suited for safety-related applications!

Additional info

The room air quality sensor has a selectable passive temperature sensing element, delivered with the device are LG-Ni1000, Pt1000, Pt100, NTC 10kOhm



Power consumption

2 VA

Time constant

CO<subscript>2</subscript>: <5, Humidity: <20, Temperature: <8.5 min (faulty format)

Operating voltage

AC 24, DC 15...35 V

Analog output, signal

DC 0...5, DC 0...10 V

Measuring range, temperature


Measuring range

CO2: 0...2000 ppm

Ambient temperature, operation

0...50 °C

Connection, electrical

Screw terminals

Degree of protection


Dimensions (W x H x D)

90 x 100 x 36 mm