How to use combustible gas detector?

First, test whether the instrument can work normally After installing the through wire, check whether the value display of combustible gas detector is normal Generally, when the display is normal and there is no combustible gas concentration, the number on the display is 0 After confirming that it is normal Secondly, the combustible gas is used for testing The simple method is to press the lighter to let it run, and aim at the probe part of the combustible gas detector The closer the combustible gas is to the detector, the more timely and accurate the display data is, which is convenient for testing At this time, the number of the display screen starts to change, constantly running the value When it reaches 25% LEL, it will start to give a low alarm, and when it reaches 50% LEL, it will start to give a high alarm (the specific value needs to be calibrated according to the detected combustible gas, here is only a case introduction) Then, after testing that the combustible gas detector can work normally, ensure that it can be used normally after long-term power on In case of any other abnormal phenomenon, it is recommended to contact the manufacturer to avoid personal improper operation and loss of combustible gas detector, so that it can not work normally.