Extech CO260 Data Logging Air Quality Meter for Dew Point, Humidity, Temperature, +60°C Max, 99.9%RH Max,

The FLIR Indoor Air Quality CO/CO2 Meter/Data logger monitors indoor air quality for Carbon Monoxide (CO) and Carbon Dioxide (CO2) levels. In high concentrations these gases can affect the health and well-being of people and pets. Monitor CO2 levels in schools, office buildings, greenhouses, factories, hotels, hospitals, transportation lines and anywhere that high levels of carbon dioxide are generated.

Auto power off with disable
Programmable CO warning level with audible alarm
Continuous data logging up to 32K readings