Triplett GSM450 Carbon Monoxide/Carbon Dioxide IAQ Datalogger Meter – CO, CO2, Temperature, Humidity, Wet Bulb and Dew Point
- Measures CO, CO2, Temperature, Humidity, Wet Bulb and Dew Point on large backlit LCD display.
- STEL (Short Term Exposure Limit – 15 minute weighted average).
- NDIR (non-dispersive infrared) waveguide technology.