Extech Indoor Air Quality Meter/Datalogger CO250

Extech Indoor Air Quality Meter/Datalogger CO250. Indoor Air Quality Meter/Datalogger. The Extech CO250 Air Quality CO2 Meter checks for Carbon Dioxide (CO2) concentrations, temperature, humidity, dew point, and wet bulb indoors with a maintenance free NDIR (non-dispersive infrared) CO2 sensor. This data logger measurement ranges include the temperature from -14 to 140°F (-10 to 60°C), humidity from 0.0 to 99.9% and CO2 from 0 to 5,000ppm. Indoor air quality testing results are displayed in ppm on the backlit triple LCD as the minimum, maximum, and weighted average readings - TWA (8 hour time weighted average) and STEL (15 minute short term exposure limit). The CO2 monitor features built-in RS-232 interface to capture readings and transfer them to a PC. It also has a user programmable audible CO2 alarm. The CO250 indoor air quality meter includes the main unit, software, data cable, 4 AA batteries, and a carrying case. Skip to the end of the images gallery Skip to the beginning of the images gallery Product Attachments 160X112.PDF (176.42 kB) Reviews