In the process of using the low differential pressure sensor, various bad experiences may occur due to inattention to some details. Today some experience of using the low differential pressure sensor is summarized to share with you, hoping to help you solve problems quickly.
1. The low differential pressure sensor has a large deviation compared with the pointer pressure gauge.
The appearance of deviation is a normal phenomenon, just confirm the normal deviation range. Due to the small measuring range of the low differential pressure sensor, the sensing element will affect its output. The pressure sensitive part of the low differential pressure sensor should be axially perpendicular to the direction of gravity during installation and adjust the zero position of the low differential pressure sensor to the standard value after the installation and fixation.
2. When the pressure goes up, while the output of the low differential pressure sensor can not go up.
In this case, check whether the pressure interface is leaking or blocked firstly, if it is confirmed not, check the mode of connection and the power supply, if the power supply is normal, simply pressurize to see whether the output changes or check whether the sensor zero position has output if there is no change, the sensor is damaged, which may be a problem caused by the instrument damage or other links of the entire system.
3. The output signal of the low differential pressure sensor is unstable
This failure may be a problem with the pressure source. The pressure source itself is an unstable pressure, which is most likely due to the weak anti-interference ability of the instrument or low differential pressure sensor, and the severe vibration of the sensor itself as well as the sensor failure.
