The Extech EA80 is a comprehensive indoor air quality (IAQ) meter that measures CO₂ (0–6000 ppm), temperature (–4 to 140°F), relative humidity (10–95% RH), dew point, and wet bulb. It features automatic datalogging of up to 20,000 continuous readings or 99 manual sets, with time-stamped Max/Min values and user alarms. Includes PC software and RS-232 cable for data analysis—ideal for schools, offices, hospitals, and greenhouses.
- Measures CO₂, temperature, humidity, dew point, and wet bulb
- 20,000-point continuous datalogger + 99 manual memory
- Dual-wavelength NDIR CO₂ sensor for long-term stability
- Time-stamped Max/Min, Data Hold, and user-programmable alarm
- Fresh-air calibration (no gas required)
- Backlit LCD with simultaneous multi-parameter display
- Includes RS-232 cable and Windows-compatible software
- Powered by 6x AAA batteries