How to adjust the barometer

Automobile barometer adjustment: 1, referred to as automobile tire barometer, mainly used for inflation, deflation and pressure measurement of special vehicle tires; When using the tire barometer correctly, press the valve joint tightly to the tire valve, so that the valve core is pressed in, and the reading of the indicator is the tire pressure. When measuring, pay attention to the alignment of the pressure gauge and the valve to avoid air leakage, otherwise the measured value will be inaccurate, and the value displayed on the instrument will be the tire pressure; 2. Find a stable position and put the tire barometer on the valve stem; Press the tire barometer tightly and seal it with the valve stem. Air will enter the tire barometer from the tire. Note that the pointer inside the barometer should be aimed at the valve core in the valve stem to release the air in the tire; 3. After frequent use, the tire barometer may display inaccurate values, the zeroing mechanism fails, and the reading device is stuck. Through the automatic control of air source pressure and the alternating action of automatic zero return device, the durability test of tire barometer is automatically completed, and the accuracy is directly detected, which is very reliable and convenient.