Pressure transmitter is a commonly used pressure instrument, which is widely used in industry, chemical industry, power, electronics, shipping, machine tools, petroleum and other industries. Pressure transmitter will also cause damage in the process of use. There are generally the following reasons for damage to pressure transmitter:
1: In the process of pressure transmission, we should pay attention to the following points. The connection between transmitter and heat pipe should not leak. Pipeline must be kept clean, sediment will come out of the pipe and damage the sensor film. * Before use, if the valve is closed, the valve should be opened very carefully and slowly, so as not to directly impact the sensor diaphragm and damage the sensor diaphragm.
2: In measuring steam or other high temperature medium, radiator tube, transmitter and tube should be used together, and the change of pipeline pressure should be used. Before using, if the valve is closed and used, it should be very careful to open the valve slowly, in order to avoid the medium directly affecting the sensor diaphragm, so as to destroy the sensor diaphragm.
3. It is strictly forbidden to use hard objects to contact the diaphragm, causing damage to the diaphragm.
4: The measured medium is not allowed to freeze, otherwise the isolation diaphragm of the sensor element will be damaged and the transmitter will be damaged. If necessary, the transmitter should be protected by temperature to prevent freezing.
5: When measuring steam or other high temperature medium, its temperature should not exceed the limit temperature of the transmitter in use, and the pressure transmitter exceeding the limit temperature must use a heat sink device.
6: Do not use a voltage higher than 36V to add to the transmitter, so as not to damage the transmitter;
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