Single-channel NDIR carbon dioxide gas sensor; range: 0-2000ppm; supply: 18-30V; power: 0.65W

Single-channel NDIR carbon dioxide gas sensor; range: 0-2000ppm; supply: 18-30V; power: 0.65W; cable: 3m

Duct CO2 Sensor, measuring range: 0-2000ppm, ABC Logic, output: 0-10V, probe length: 10.38cm, working temperature: 0-50deg.C

Wall Mount CO2, Humidity and Temperature Transmitter

Wall Mount CO2, Humidity and Temperature sensor, 0 - 20000ppm, outputs 0-10V, 4-20mA, Display, CE, RoHS

VOC gas sensor, full-scale: 50-100ppm for most solvent based VOC, bargraph display, alarm buzzer, output: 0-2VDC, transistor output, battery included

Ozone monitorC-30ZX, measuring range: 0.02 - 0.14ppm, bargraph display, audio alarm, output: 0-3VDC, relay, power supply: 12-24V

Ozone monitor EcoZone EZ-1X, measuring range: 0.02 - 0.14ppm, bargraph display, battery

OS-4 Ozone Switch, range: 0.3 -20ppm, digital display, programmable turn-on and turn-off set-point, relay output, power requirements: 12-24VDC

Industrial grade ozone controller and monitor OS-6, range: 0.1 -50ppm, digital display, programmable turn-on and turn-off set-point, output: relay, RS-232, power requirements: 12-24VDC

Pocket CO monitor, measure CO levels in real-time, small size, CR2450 battery, display, buzzer

Smartphone connected CO monitor, measure CO levels in real-time, small size, rechargeable battery, multi-coloured LED, buzzer