The sensor measures a relative mixed gas concentration
(tobacco smoke, kitchen smell, cleaning agents, etc)
Power supply: 24Vac/dc, IP54, output: 0-10Vdc
EGQ110F001 Measuring range is relative (good = 0V, poor = 10Vdc)

data sheet

The sensor measures a relative mixed gas concentration
(tobacco smoke, kitchen smell, cleaning agents, etc)
Power supply: 24Vac/dc, IP30, output: 0-10Vdc
EGQ120F001 Measuring range is relative (good = 0V, poor = 10Vdc)

data sheet

The CO2 level sensor seves as an indicator of human body odour and
exhaled air. Dual beam infrared NDIR sensor.
Power supply: 24Vac/dc, IP54, outputs: 2 x 0-10VdcEGQ212F002 Measuring range of CO2: 0 to 2000ppm CO2
Measuring range of temperature: 0 to 50ºC

data sheet