Digital gas transmitter is an intelligent control product developed by our company, can output 4-20 mA current signal and real-time display gas value. This product has high stability, high accuracy and high intelligent characteristics, and through simple operation you can realize control and alarm to test area. At present, the system version has integrated 1 road relay. It’s mainly used in the area need to detect carbon dioxide, can display the numerical indexes of detected gas, when detected gas index beyond or below pre-set standard, the system automatically do a series of alarm action, such as alarm, exhaust, tripping, etc. (According to user’s different settings ).