Desktop Indoor Air Quality Meter

Extech, CO240, Desktop Indoor Air Quality Meter with CO, Temperature & Humidity MeasurementsCO240: Indoor Air Quality, Carbon Dioxide (CO2) MeterMeasures Carbon Dioxide (CO2), Air Temperature and HumidityIncludes:Air Quality MeterSix AAA batteriesUSB cablePC Software Universal AC Adapter (with 4 plugs US, EU, UK, AUS)Soft caseFeatures:Dual display of Carbon Dioxide (CO2) concentrations and Relative Humidity, Temperature, Dew Point, or Wet BulbMaintenance free NDIR (non-dispersive infrared) CO2 sensorAudible CO2 warning alarm when concentration level exceeds high user set pointMin/Max CO2 value recall functionIncludes software and cable for on-line (real-time) datalogging to a PCAutomatic Baseline Calibration functionData Hold, Auto Power Off (with disable), Low battery indicatorTripod mount (tripod sold separately)Easy-to-use Extech CO240 Air Quality Meter measures Carbon Dioxide (CO2), Air Temperature, and Humidity. It also calculates Dew Point and 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.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.