Ammeter Shunt Calculations
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Amp meters can be used to measure different current ranges, to do this
the meter must have a shunt resistor fitted in parallel with the measuring
circuit. The formula to determine the shunt resistor for an ampere meter is as follows: Rs = Rm / (n - 1) Where Rs is the shunt resistor, Rm is the meters internal resistance and n is the multiplier (Current to be Measured). For a full range of Panel Meters |
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Table showing shunt resistance values (Rs) for a 0 - 200mV Digital Panel Meter to enable it to measure current. |
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| Table showing resistance values for R1 and R2 for a 0 - 200mV Digital Panel Meter to enable it to measure higher voltages. | ||||||||||||||||||||||
ESR Electronic Components Ltd Cullercoats Tyne and Wear NE30 4PQ