EXTECH CO250 Portable Indoor Air Quality CO2 Meter

EXTECH CO250 Portable Indoor Air Quality CO2 Meter can measure carbon dioxide (CO2), temperature, humidity, dew point and wet bulb. The Extech CO250 air quality meter also features datalogging capabilities and can calculate statistical weighted averages of TWA (8 hour time weighted average) and STEL (15 minute short term exposure limit).

Extech CO250 air quality meter checks for CO2 concentrations using a maintenance free NDIR (non-dispersive infrared) CO2 sensor.

Other features of the Extech CO250 air quality meter include a user programmable audible alarm, backlit triple LCD display, built-in RS232 interface for capturing readings onto your PC, data acquisition software and cable (included) to record and document CO2, humidity and temperature data. The Extech CO250 air quality meter comes complete with software and cable, four AA batteries and carrying case. There are also optional 33% and 75% RH calibration bottles (RH300-CAL) available as an accessory.

Specifications :

Carbon Dioxide (CO2)     0 to 5,000ppm
Resolution     1ppm
Temperature     14 to 140°F (-10 to 60°C)
Resolution     0.1°F/°C
Humidity     0.0 to 99.9%
Resolution     0.1%
Wet Bulb and Dew Point     Calculated
Dimensions     7.9×2.8×2.2″ (200 x 70 x 57mm)
Weight     6.7oz (190g)