CO2 Carbon Dioxide Detector, Indoor Air Quality Monitor 4-in-1 Portable CO2 Monitor, Tester for Carbon Dioxide, Temperature & Relative Humidity, CO2

Indoor CO2 Monitor: Compact size Body with hollow back design for carring and airflow. Big colorful LCD digital screen for people easy to identify and

The Triplett GSM250 Desktop Indoor Air Quality CO2 Meter can be used to monitor air quality in office buildings, schools, exhibition halls, shopping malls, meeting rooms, fitness centers, restaurants and other public places. It simultaneously displays CO2, Temperature and Relative Humidity. It can be used on the desktop or wall mounted and has a display with a light bar for easy reading from long distances. A 3-color light bar (green / yellow / red) changes color with CO2 concentration.

Triplett GSM400 Portable Indoor Air Quality CO2 Meter

The industrial wall mount CO2 Sensor & Controller is designed for fast & accurate measurement of CO2 level, humidity, and temperatures of air, dew point, and wet CO2 bulb. The meter is designed with a built-in relay, which can be connected to an Indoor Air Quality (IAQ) system to control the opening and closing of the system.

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CO2 Carbon Dioxide Detector, 4-in-1 Indoor Air Quality Monitor Portable CO2 Monitor, Tester for Carbon Dioxide, Temperature and Relative Humidity, CO2 Meter with Alarm, for Grow Tents, Homes, Cars: : Industrial

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