Extech CO2 Monitors
2 monitors from Extech
CO250
$350
Sensors: CO2, Temperature, Humidity
Connectivity: USB
Accuracy: ±50 ppm
professionalportable
CO240
$280
Sensors: CO2, Temperature, Humidity
Connectivity:
Accuracy: ±50 ppm
professionaloffice
2 monitors from Extech
$350
$280