With pump sampling and different length of sampling probes, it is convenient for detecting in different environment. The high and low alarm levels are adjustable (STEL and TWA alert for toxic gas). User can turn on or off the vibration alarm function when necessary. When gas concentration reaches or exceeds the preset alarming level, it will give visible and audio alarm, and backlit is activated automatically. The relative indication help user realize the alarming type. The mark in the LCD makes the operation simple and convenient.

Features:

Advanced 16 digit MCU controlLarge LCD displayBuilt-in pump to sampling, could sample test from long distanceLow and high alarm can be specified display alarm typeDisplay STEL and TWA levelSupply time and remain battery level displayReplaceable sensor module2000 pieces records, including peak value, type, could auto cover when it fullCould connect with computer and output data, and analyses the resultsTwo alarming level, three ternary alarming (visible audio and vibration)Power on and self-test function, sensor, visible, audio and vibration informationPassword management and password validation for important operation