extech co230 : indoor air quality, carbon dioxide (co2) monitor

category: air quality meters

features

checks for carbon dioxide (co₂) concentrations
maintenance free ndir (non-dispersive infrared) co₂ sensor
automatic baseline calibration (abc) with disable feature for use in areas with continuously elevated co₂ levels (>400ppm)
triple lcd simultaneously displays co₂, temperature and humidity
visible and audible co₂ warning alarm when concentration level exceeds high or low user set point
calculates dew point and wet bulb values
min/max co₂ value recall function
calculates statistical weighted averages of twa (8 hour time weighted average) and stel (15 minute short term exposure limit)
alarm relay output for ventilation control
desktop or wall mount
complete with universal ac adaptor and multi-plugs (us, eu, uk, au)