Extech Instruments Handheld Indoor Air Quality, Carbon Dioxide Meter, Tool

The CO240 measures Carbon Dioxide (CO2), Air Temperature and Humidity, as well as Dew Point and Wet Bulb calculations. The 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 insure optimal plant grown. Complete with six AAA batteries, USB cable, PC software and soft case.

Features/Specifications:

Dual display of Carbon Dioxide (CO2) concentrations and Relative Humidity, Temperature, Dew Point, or Wet Bulb Maintenance free NDIR (non-dispersive infrared) CO2sensor Audible CO2warning alarm when concentration level exceeds high user set point Min/Max CO2value recall function Data Hold, Auto Power Off (with disable), Low battery indicator

Included Accessories:

Complete with six AAA batteries, USB cable, PC software and soft case