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## User Guide

This pressure transmitter 4 to 20 milliamp current output calculator provides a way to determine the output reading from the applied pressure and pressure transmitter range. A conversion scale graphic for each pressure and 4-20mA current output range combination entered is also displayed below the calculated values.

### Formula

This pressure transmitter output calculator uses the following formula to calculate the output over a 4-20mA range:

Linear mA out = 4 + (16 x ((Rdg – Low Limit) / (High Limit – Low Limit)))

### Parameters

#### Unit

Enter the unit used for measuring pressure, e.g. bar, psi, kPa, inH2O etc…

#### Reading

This is the applied pressure measured by the pressure transmitter that you wish to convert to a 4 to 20 milliamp current output reading.

#### Low Limit

Enter the lowest pressure that the pressure transmitter will measure. For example zero would be a typical value for most pressure transmitters, but you can also add negative (-) or positive (+) values as well. Please enter the value in the same pressure units as specified for all other input values.

#### High Limit

Enter the maximum pressure that the pressure transmitter will measure.

#### Output Reading (mA)

This is the expected ideal pressure transmitter current output signal in milliamps for the applied pressure specified.