Formula for Current 4-20ma to Percentage Conversion

Calculating the equivalent Percentage for any given current signal 4-20ma.

Formula for Current 4-20ma to Percentage Conversion

Formula for Current 4-20ma to Percentage Conversion

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Formula:

Percentage, %  =   ((X-4)/16)(100)

Where

X is current signal in ma

Example: 

An electronic Pressure transmitter is ranged -1 to 5 Bar and has a 4-20 ma. Calculate the Percentage output by this transmitter if the measured output current is 13ma.

  Percentage %   = ((X-4)/16)(100)
                          = ((13-4)/16)(100)
                          = 56.25

Also Read,

Calculate Current (4-20ma) from Process variable PV

Convert current (4-20)ma to Percentage (0-100)%

Convert Percentage (0-100)% to current (4-20)ma