Maintenance-free CO2 sensing element (depending on the type) based on optical
infrared absorption measurement (NDIR1)
· Or with VOC2) sensing element, based on a heated tin dioxide semiconductor
· CO2 temperature (active or passive) and CO2 humidity-temperature multisensor
· No recalibrations required
· Operating voltage AC 24 V or DC 15…35 V
· Signal outputs DC 0…10 V or DC 0…5 V or 4…20 mA adjustable
· Selectable passive temperature sensing element