The G01-CO2 from Tongdy Control Technology, distributed by Intellisenc, Greer, SC, is a carbon dioxide monitor with an LCD that displays carbon dioxide concentration, humidity, and temperature. Features include an alarm buzzer, 3-color back-lit display that changes as the carbon dioxide concentration increases, RS-485 communications, and a handheld remote control. The unit uses a self-calibrating NDIR carbon dioxide sensor with a 0–20,000 ppm range. You can choose from 1 dry contact to 3 analog outputs.
Carbon Dioxide Monitor from Intellisenc