The Extech CO100 is a desktop indoor air quality CO2 monitor that monitors CO₂ from 0 to 9,999 ppm, air temperature from -5°C to 50°C (23°F to 122°F), and humidity from 0.1 to 90% RH. It includes an audible and visible CO2 warning alert that can be programmed by the user. The meter includes a maximum/minimum CO2 value recall function. The CO100 comes equipped with a maintenance-free NDIR (non-dispersive infrared) CO2 sensor and a universal AC adaptor.
| Relative Humidity | 0.1 to 90.0% |
|---|---|
| Relative Humidity Basic Accuracy | ±5% |
| Relative Humidity Max Resolution | 0.10% |
| Sampling Rate | 2 seconds |
| Sensor Type | CO₂ NDIR (non-dispersive infrared) technology |
| Temperature (Air) | 23 to 122 °F ( -5 °C to 50 °C) |
| Temperature (Air) Basic Accuracy | ±1.5 °C/2.7 °F |
| Temperature (Air) Max Resolution | 0.1 ° |
| Certifications | CE |
| Dimensions | 117 × 102 × 102mm (4.6 × 4 × 4") |
| Display | Segment LCD with backlighting |
| Power | input 110V - 220V AC, output 6.0V DC, 500mA power supply |
| Warranty | 2 years |
| Weight | 204g (7.2 oz.) |
| Carbon Dioxide [CO2] | 0 to 9999ppm |
| Carbon Dioxide [CO2] Basic Accuracy | ±75 ppm or ±5% of reading |
| Carbon Dioxide [CO2] Max Resolution | 1ppm |
