General Tools FD08 Digital Formaldehyde Meter Handheld is a digital meter that uses an electromechanical sensor to measure real-time formaldehyde gas concentrations to ensure compliance with safety standards and to maintain indoor air quality.

Extech CO240 Indoor Air Quality CO2 Meter Handheld Tester for measuring Carbon Dioxide (CO2), Air Temperature, and Humidity and calculating Dew Point and Wet Bulb.

Supco IAQ50 Mounted Digital CO2 Monitor is an all in one meter for any air testing needs.

Supco IAQ55 Compact Indoor Air Quality Meter is an all in one handheld meter for any air testing needs.

Extech EN300 5-in-1 Environmental Meter measures humidity, temperature, air velocity, light, and sound.

Features

TSI 7575 Multi Function IAQ Monitor and Probe model 982 provides a comfortable, safe and healthy indoor environment is an increasingly important concern. Good air quality increases concentration and productivity. It can also reduce lost days due to absence.

TPI 1010 Indoor Air Quality IAQ Meter features Calculate percent outside air to maintain acceptable CO2 levels in buildings and work spaces, Measure and display Carbon Dioxde(CO2) and Carbon Monoxide, Measure ambient air temperature, Measure relative humidity, dew, point and wet bulb, Log up to 4,000 readings in 1 second to 23 hour 59 minutes intervals, Download to a computer using the A368 USB cable.

Features

TSI 7545 IAQ-Calc Air Quality and Environmental Conditions Tester is designed to monitor indoor air quality (IAQ).

TSI 7525 IAQ Meter is an outstanding instrument for investigating and monitoring indoor air quality (IAQ). TSI 7525 IAQ meter measures CO2, temperature, humidity, and calculates dew point, wet bulb temperature, and % outside air.

TSI 7515 IAQ Meter is an outstanding instrument for investigating and monitoring indoor air quality (IAQ). TSI 7515 IAQ meter is a cost-effective meter for carbon dioxide (CO2) measurements.