The CO250 Meter is an instrument that measures CO2 levels, air temperature, dew point, wet bulb temperature, and humidity, making it ideal for indoor air quality diagnosis. The meter is shipped fully tested and calibrated and, with proper use, will provide years of reliable service.
The Extech Model CO250 is a portable instrument designed for diagnosing indoor air quality (IAQ). It measures carbon dioxide levels, air temperature, dew point, wet bulb temperature, and relative humidity. The device features an LCD display with backlighting and can be powered by four AA batteries or an AC adapter.
| Temperature Range | -10 to 60°C / 14 to 140 °F |
|---|---|
| Humidity Range | 0.0 to 99.9% |
| Power Supply | 4 x 1.5V 'AA' batteries or AC adaptor (9V/1A) |
| Battery Life | approx. 24 hours |
The meter performs a 30 second countdown for meter warm up at power up.
The CO2 alarm threshold can be set from 100 to 9900ppm.
It is recommended to return the meter for standard calibration after a year of use.