Calculate 4-20mA Equivalent Archives

Example of 3-15 psi to 4-20mA Conversion

S Bharadwaj ReddyApril 20, 2019May 20, 2019

A current-to-pressure transducer is used to convert a 4-20 mA electronic signal into a 3-15 PSI pneumatic signal. This particular transducer is configured for reverse action instead of direct, meaning...

4-20mA Graphical Calculations

S Bharadwaj ReddyAugust 6, 2016April 19, 2019

An illustration sometimes find helpful in understanding analog signal ranges is to consider the signal range as a length expressed on a number line. 4-20mA Graphical Calculations For example, the common...

Formula to Calculate 3-15psi from 4-20mA Current

S Bharadwaj ReddyFebruary 6, 2016August 7, 2019

The amount of psi can also be calculated from the amount of the milliamp signal, or one can calculate the amount of the milliamp signal when the amount of psi is known. Each of...

Calculate Process Variable from Transmitter Current

S Bharadwaj ReddySeptember 20, 2015October 22, 2019

A pH transmitter has a calibrated range of 4 pH to 10 pH, with a 4-20 mA output signal. Calculate the pH sensed by the transmitter if its output signal...

Calculate Temperature Transmitter Output

S Bharadwaj ReddySeptember 17, 2015April 20, 2019

An electronic temperature transmitter is ranged 50 to 140 degrees Fahrenheit and has a 4-20 mA output signal. Calculate the current output by this transmitter if the measured temperature is...

Standard 4 to 20 mA Conversion Formula

S Bharadwaj ReddySeptember 15, 2015February 28, 2020

A 4 to 20 mA current signal represents a 0 to 100 percent scale. Usually, this scale is linear, as such: 4 to 20 mA Conversion Being a linear function,...

Formula for Current 4-20ma to Percentage Conversion

S Bharadwaj ReddyMay 27, 2015April 20, 2019

Calculate the equivalent Percentage for any given current signal 4 to 20 mA. For conversion, we need transmitter Lower Range Value and Upper Range Value. Current 4-20ma to Percentage Conversion Formula:...

Formula for Percentage to Process Variable Conversion

S Bharadwaj ReddyMay 27, 2015April 20, 2019

Calculate the equivalent Process Variable for any given percentage of signal ( 0 to 100%). We need Transmitter Span, Lower Range Value and Upper Range Value. Percentage to Process Variable...

Formula to Calculate 4-20ma from Percentage

S Bharadwaj ReddyMay 27, 2015February 28, 2020

Calculate the equivalent 4-20 mA loop current value for any given percentage of signal. We need field transmitter span, lower range value and upper range value. Calculate 4-20 mA from...

Formulas to calculate mA from PV, LRV and URV

S Bharadwaj ReddyApril 25, 2015April 20, 2019

The formula for calculating equivalent current (ma) from known process variable (PV), Lower range value (LRV) and Upper range value (URV). Formula to calculate mA from PV The formula is:...

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