The pressure transmitter​ also belongs to the pressure sensor in the written sense, but its output signal is a standard general signal, such as 4 ~ 20mA, 1 ~ 5V, etc., which can be transmitted remotely and can be matched with the standard instrument. At the same time, its pressure value has been calibrated, and users can use it only through the range setting of the instrument.

It is an instrument that converts non-standard electrical signals into standard electrical signals. There are many kinds of transmitters. The transmitters used in industrial control instruments mainly include temperature transmitter, pressure transmitter, flow transmitter, current transmitter, voltage transmitter and so on. The transmitter is equivalent to a signal amplifier.

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