Extech CO270 Indoor Air Quality Meter with Temp Humidity Dew Point and CO2 Lever

The Extech CO270 is a compact, battery-operated indoor air quality meter designed to monitor carbon dioxide (CO₂), temperature, humidity, and dew point levels with precision and ease. Ideal for use in offices, schools, healthcare facilities, warehouses, and manufacturing environments, this device helps ensure safe and comfortable indoor conditions. It features a large, easy-to-read LCD display with graphical air quality indicators and programmable buzzer alerts that notify users when preset thresholds are exceeded.

Powered by three AAA batteries, the CO270 offers up to six months of operation in regular mode and up to one year in ECO mode. It uses non-dispersive infrared (NDIR) technology for accurate CO₂ detection, with a measurement range from 0 to 9999 ppm and an accuracy of ±50 ppm or ±3% of reading. The unit also records peak and average values over a 24-hour period and includes anti-theft and anti-modification features for added security in public or shared spaces.

With dimensions of 88 × 86 × 25 mm and a lightweight design at just 115 g, the CO270 is easy to mount or carry. It complies with EN 61326-1 standards and comes with a two-year warranty, making it a reliable choice for professionals seeking a low-maintenance solution for indoor air quality monitoring.