Handheld Indoor Air Quality CO2 Meter

Extech CO240 Handheld Indoor Air Quality CO2 Meter

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. It’s also convenient for testing the air quality in buildings such as factories, hospitals,conference rooms, schools, and anywhere that high levels of carbon dioxide are generated, to ensure
proper air ventilation.

Features:
• Dual display of Carbon Dioxide (CO2) concentrations and RH, Temperature, Dew Point, or Wet Bulb
• Maintenance free NDIR (non-dispersive infrared) CO2 sensor
• Audible CO2 warning alarm when concentration level exceeds high user set point
• Min/Max CO2 value recall function