We are the popular exporter and manufacturer of Top class Portable single gas detector in Xian, Shaanxi, China. Top class Portable single gas detector, it is a kind of concentration of instrument that can continuous detect the concentration of oxygen, toxic and harmful gas in the working environment.The detector detects gas concentration with natural diffusion mode, which uses the imported sensors and has a good sensitivity and repeatability.Boot automatically detect, has the advanced self diagnose and self repair function;This instrument uses the embedded micro-controller control technology, simple menu operation, complete functions and high reliability, also has a variety of adaptive ability. Using the liquid crystal display Chinese characters, intuitive and clear. Fault and under-voltage instructions, the screen can be rotated 180 degrees and can be used for different habits with ergonomic design, comfortable feeling and simple operation.It can keep 3000 alarm records, can button to view or through the USB interface to transmit data to the computer; with PC software can be further analysis;It can set up emergency alarm, calibration, and to read, print and save alarm records, etc.1500 mAh large-capacity lithium battery, which greatly improves equipment battery life; Using USB rechargeable, universal charger is convenient for your charge.