Indoor Air Quality Meter with Temp, Humidity, Dew Point and CO2 Levels

• Typical battery life 6 months or 1 year in ECO mode
• Recall peak and average value over the last 24-hour period
• Includes anti-theft and anti-modification features
• Programmable buzzer features to alert when set threshold is exceeded
• CO2 manual calibration feature
• Sampling rate - LCD updates every 10 seconds (Regular mode) or every 60 seconds
• Temperature - 32 to 122 degrees F +/- 1 degree F
• 2 Year Warranty

Looking for a smart, low-maintenance way to monitor indoor air quality? The Extech CO270 Air Quality Meter delivers precise CO2, humidity, dew point, and temperature readings—all powered by just three AAA batteries for up to a year. With a large, easy-to-read display, graphical air quality indicators, and anti-theft features, it’s perfect for manufacturing sites, warehouses, schools, offices and healthcare facilities.

In The Box

• AAA Batteries x 3
• Anti-theft hanging screw
• Quick start guide