Types of pressure Transmitter. Pressure Transmitter Explained .Gauge Pressure transmitter.
Absolute Pressure Transmitter.
Differential Pressure Transmitter. Types of pressure Transmitter.
parts of pressure Transmitter Explained.
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Pressure transmitter is an instrument that is used for measuring pressure in gases and liquids.
As the name indicate the Pressure transmitter senses pressure and converts it into a proportional electrical output signal and The output is then transmitted to a control system like plc
In the process industries, it is often necessary to transmit the measurement signal from a sensor
over a substantial distance so that it can be used to implement a control function or can be combined with other measurement signals in a more complex scheme.
Gauge pressure transmitter measure the input pressure with reference to atmospheric pressure (vented to atmosphere). As the sensors are open to the atmosphere, they are susceptible to humidity. Care must be taken that units are installed in dry areas (otherwise internal circuitry can fail).
Absolute pressure transmitter measure the input pressure with reference to a vacuum sealed port at 0bar . Specified where absolute pressure measurements are required, eg barometric pressures, or where equipment needs to have all the air removed.
Differential pressure transmitter
Here the reference pressure is neither ambient nor internal to the sensor. The sensor is supplied with two ports – high and low inputs – and will measure the difference between the two. Generally used for filter measurement applications. See our range of differential pressure sensors.
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