Indoor air quality datalogger
HD21ABE17
- Temperature, RH, Barometer, CO, CO2
- 0 … 5000ppm CO2 range
- 67600 data recordings
- ASHRAE62.1-2004
3 channel multifuntion logger
HD31
- 3 independent input channels
- SD card for long duration
- datalogger
- Pt100-1000,TC,RH,AirSpeed,Light
