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How to select pressure transmitter

How to select pressure transmitter:

1, pressure transmitter to measure what kind of pressure: first determine the maximum system to confirm the measurement of pressure in general, need to choose one with a maximum value greater than about 1.5 times the pressure range of the transmitter. The transmitter in the selection, to fully consider the pressure range, accuracy and stability.

2, confirm the type measurement of pressure: pressure gauge main types, absolute pressure, differential pressure. The gauge refers to the atmosphere as a benchmark, less than or greater than the atmospheric pressure; pressure refers to the absolute pressure is zero as a benchmark, is higher than the absolute pressure; pressure refers to the difference between the two pressure

3, what kind of pressure medium: we have to consider is the pressure transmitter measured medium, viscous liquid, mud will plug the pressure interface, solvent or corrosive substances will not destroy the transmitter

4, confirm the pressure interface form: in the company's products to thread connection (M20 * 1.5) as the standard interface, if the customer needs other special interface, can be designed according to customer requirements

5, the temperature range of pressure transmitter: usually a transmitter will calibration two temperature range, the range that the temperature range of normal operation and temperature compensation. The normal operating temperature range refers to the temperature range when transmitter is not destroyed in the working condition, the temperature compensation beyond the scope, may not the performance indexes of the application.

6, confirm the measurement of dielectric materials and contacts compatibility: how the selection of pressure transmitter in some measurement, measurement of corrosive media, the selection and measurement of dielectric compatible materials or special craft processing, to ensure that the transmitter is not damaged.

7, confirm the measurement of pressure pressure transmitter measurement: according to the different media, the pressure transmitter can be divided into dry gas, liquid gas, strong clothing liquid, viscous liquid, high temperature liquid gas, according to different media selection, to prolong the service life of the product.

8, what kind of output signal is required: mV, V, mA and frequency output digital output

9, confirm the maximum overload of the system: the maximum overload of the system should be less than the limit of the overload protection of the transmitter, otherwise it will affect the service life of the product or even damage the product

The above is the Xi'an keishing photoelectric pressure transmitter to selection of simple introduction, if there is a problem with call 86-29-62929722 we can provide more professional advice.



TAG:   How to select pressure transmitter
Hits:  UpdateTime:2017-04-21 09:22:41  【Printing】  【Close】
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