How to use the pressure transmitter correctly
Pressure sensor use process should pay attention to consider the following situations:
1 . Prevent the transmitter from contacting with corrosive or overheated media;
2 . Prevent the deposition of dross in the ducts;
3 . When measuring the liquid pressure, the pressure tap should be opened on the side of the process piping to avoid sedimentation.
4 . When measuring gas pressure, the pressure tap should be at the top of the process pipe, and the transmitter should also be installed at the top of the process pipe so that the accumulated liquid can be easily injected into the process pipe.
5 . The pressure tube should be installed in a place where temperature fluctuations are small;
6 . When measuring steam or other high-temperature medium, a condenser such as a buffer tube (coil) must be connected, and the operating temperature of the transmitter should not exceed the limit.
7 . When freezing occurs in winter, the transmitter installed outdoors must adopt anti-freezing measures to avoid the expansion of the volume of ice in the pressure-reducing port due to the volume of ice, leading to damage to the sensor.
8. When measuring the liquid pressure, the transmitter should be installed in a position where the impact of the liquid (water hammer phenomenon) should be avoided to avoid over-voltage damage to the sensor.
9 . When wiring, pass the cable through the waterproof connector (accessory) or the winding tube and tighten the sealing nut to prevent rain, etc., from leaking through the cable into the transmitter housing.
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