This document introduces the features and specifications of the Extech CO200 Desktop Indoor Air Quality CO2 Monitor, including the measurement range, display range, alarm function, automatic calibration function, and application scenarios.
The Extech CO200 is a desktop indoor air quality meter designed to measure carbon dioxide (CO2) concentration, air temperature, and relative humidity. It utilizes a maintenance-free NDIR sensor and displays indoor air quality status as Good, Normal, or Poor based on ppm levels.
Key features include user-settable high/low alarms with both visible and audible warnings, relay output for ventilation control, and max/min value recall functions. The device supports automatic baseline calibration over 7.5 days or manual calibration in fresh air.
| CO2 Measurement Range | 0 to 9,999ppm |
|---|---|
| Temperature Measurement Range | 14 to 140°F (-10 to 60°C) |
| Humidity Measurement Range | 0.1 to 99.9%RH |
| CO2 Resolution | 1ppm |
| Temperature Resolution | 0.1°F/°C |
| Humidity Resolution | 0.1% |
| Dimensions | 4.6 x 4 x 4" (117 x 102 x 102mm) |
| Weight | 7.2oz (204g) |
The device displays Good for 380 to 420ppm, Normal for less than 1000ppm, and Poor for greater than 1000ppm.
Yes, it features a visible and audible warning alarm with relay output for ventilation control.