The Extech EA80 checks for Carbon Dioxide concentrations using a maintenance-free dual wave NDIR (non-dispersive infrared) CO2 sensor with a range of 0 to 6,000 PPM. It can automatically data log up to 20,000 data sets or you can manually enter up to 99 sets for later recall. Additional features include: auto power off, data hold, max/min with time stamp and alarm.

• Checks for Carbon Dioxide Concentrations
• Maintenance Free Dual Wavelength NDIR (non-dispersive infrared) CO2 Sensor
• Measurement Range: CO2: 0 to 6,000ppm -- Temperature: -4 to 140F (-20 to 60C) -- Humidity: 10 to 95%RH
• Continuous (20,000 sets) or Manual (99 sets) Datalogging
• Data Hold, Max/Min with Time Stamp, and Alarm -- Auto Power Off -- Easy Calibration in Fresh Air

In The Box

• 6 - AAA Batteries
• 1 - Windows 95/98/Nt/2000/Me/Xp Compatible Software
• 1 - Rs-232 Interface Cable