Wasp-xm series pum-priming portable gas detector Outline Wasp-xm series pump-priming portable gas detector is a continuous monitoring of a variety of single gas detection equipment. This product is suitable for environmental monitoring, industrial production and other harmful gases working environment, which can effectively protect the health and safety of staff is not compromised. Main feature Smart probe design, calibration and Maintenance more convenient in the future; Fault, warning, operator error, alarm will be smart tips; Built-in cf calibration coefficients (voc measurements only valid); With audible alarm, visual alarm function, the status bar also displays alarm status; Full-color 3.5-inch tft screen, color lcd display and intuitive; Can be both digital and curve display of gas concentration in two ways; With usb communication port, you can speed 9600 bytes to communicate directly with the computer; With test record function, can store a month's measurement data and instrument or computer can view the data; With alarm recording function, you can record the last four times the alarm time and type; With calibration record; can record the last four times the size of the calibration time span; High-capacity lithium battery-powered, rechargeable, low battery automatic shutdown; Can be set high reported, underreporting, twa, stel, shutdown time, pump speed, etc.; Technical parameter Power supply: lithium battery (4.2v/3000mah) Operating current: normal current: ¡¡§1 150ma; alarm current: ¡¡§1 200ma 3¡¡¨¦operating environment: temperature: -40 ¡æ - 70 ¡æ Relative humidity: 15% - 95%, non-condensing 4¡¡¨¦storage environment: temperature: -20 ¡æ - 60 ¡æ