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Flow Transmitter 4-20mA Current Output Calculator

Measurement Input Parameters
Unit [?]
Reading [?]
Low Limit [?]
High Limit [?]
Current Loop Signal (4-20mA)
Output Reading (mA) [?]

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Invert the low & high range limits for the measurement input settings



Flip tool with current settings to swap measurement input (I) with 4-20mA output parameters

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Contents

  • Related Tools
  • User Guide
    • Formula
    • Parameters
      • Unit
      • Reading
      • Low Limit
      • High Limit
      • Output Reading (mA)

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  • Volume Flow Rate Converter
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  • Universal measurement to 4-20mA converter
  • Universal input to output converter

User Guide

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

Formula

This flow 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 flow, e.g. m³/s, gpm, gallons per second, litres per minute, tons per hour, kilograms per day,  etc…

Reading

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

Low Limit

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

High Limit

Enter the maximum flow that the flow transmitter will measure.

Output Reading (mA)

This is the expected ideal flow transmitter current output signal in milliamps for the specified flow measurement.

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