Description
The Extech CO250 portable indoor air quality CO2 meter measures carbon dioxide (CO2), temperature, humidity, dew point, and wet bulb. It checks carbon dioxide (CO₂) concentrations and calculates the statistical weighted averages of TWA (8-hour time-weighted average) and STEL (15-minute short-term exposure limit). User-programmable audible alarm. Data acquisition software and cable included to record and document CO₂, humidity, and temperature data. Includes software and cable, 4 AA batteries, and carrying case.
Ref. CO250