Extech CO240 Air Quality Meter for Dew Point, Humidity, Temperature, +50°C Max, 90%RH Max, Battery-Powered

The FLIR Handheld Indoor Air Quality CO2 Meter have a Dual display of Carbon Dioxide (CO2 ) concentrations and Relative Humidity, Temperature, Dew Point, or Wet Bulb. User settable high alarm with audible beeper is perfect for conducting a quick check of CO2 level to help adjust the environmental conditions in an enclosed area, such as a greenhouse or nursery, to ensure optimal plant grown.

Low battery indicator
Automatic baseline calibration function