Base module with integrated [CO2/] and VOC measurement , 70.8 x 70.8 mm

Stock no. S55720-S148

Stock no. S55720-S148

Maintenance-free CO2 sensing element based on infrared absorption measurement.

VOC sensing element, based on a heated tin dioxide semi-conductor.



Operating voltage

AC 24, DC15…36 V

Analog output, signal

DC 0...10, DC 2...10, DC 0...5, DC 0...20, DC 4...20, DC 0...10 V

Measuring range

CO2 + VOC: 0…100, CO2: 0…2000 %

Connection, electrical

Screw terminals

Digital outputs

1-pin, Potential-free, Changeover contact

Mechanical design


Dimensions (W x H)

70.8 x 70.8 mm