Half Scale Resistance for Shunt Type Ohmmeter Solution

STEP 0: Pre-Calculation Summary
Formula Used
Unknown Shunt Resistance = (Shunt Resistance*Resistance of Shunt Meter)/(Shunt Resistance+Resistance of Shunt Meter)
Rx1 = (Rs1*Rm1)/(Rs1+Rm1)
This formula uses 3 Variables
Variables Used
Unknown Shunt Resistance - (Measured in Ohm) - Unknown Shunt Resistance is the value of the unknown resistance connected for measurement.
Shunt Resistance - (Measured in Ohm) - Shunt Resistance is the current limiting resistance in an ohmmeter.
Resistance of Shunt Meter - (Measured in Ohm) - Resistance of Shunt Meter is an instrument resistance.
STEP 1: Convert Input(s) to Base Unit
Shunt Resistance: 0.8695 Ohm --> 0.8695 Ohm No Conversion Required
Resistance of Shunt Meter: 1.25 Ohm --> 1.25 Ohm No Conversion Required
STEP 2: Evaluate Formula
Substituting Input Values in Formula
Rx1 = (Rs1*Rm1)/(Rs1+Rm1) --> (0.8695*1.25)/(0.8695+1.25)
Evaluating ... ...
Rx1 = 0.512797829676811
STEP 3: Convert Result to Output's Unit
0.512797829676811 Ohm --> No Conversion Required
FINAL ANSWER
0.512797829676811 0.512798 Ohm <-- Unknown Shunt Resistance
(Calculation completed in 00.004 seconds)

Credits

Created by Nikita Suryawanshi
Vellore Institute of Technology (VIT), Vellore
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Shiv Nadar University (SNU), Greater Noida
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3 Shunt Type Calculators

Meter Current for Shunt Type Ohmmeter
Go Meter Current = (Voltage Source Shunt*Unknown Shunt Resistance)/(Shunt Resistance*Resistance of Shunt Meter+Unknown Shunt Resistance*Shunt Resistance+Unknown Shunt Resistance*Resistance of Shunt Meter)
Half Scale Resistance for Shunt Type Ohmmeter
Go Unknown Shunt Resistance = (Shunt Resistance*Resistance of Shunt Meter)/(Shunt Resistance+Resistance of Shunt Meter)
Fraction of Full Scale Current for Shunt Type Ohmmeter
Go Fraction Value = Unknown Shunt Resistance/(Unknown Shunt Resistance+Resistance of Shunt Meter)

Half Scale Resistance for Shunt Type Ohmmeter Formula

Unknown Shunt Resistance = (Shunt Resistance*Resistance of Shunt Meter)/(Shunt Resistance+Resistance of Shunt Meter)
Rx1 = (Rs1*Rm1)/(Rs1+Rm1)

What is Half Scale Operation?

If the unknown resistance is adjusted such that the basic meter in the ohmmeter shows half of full scale reading, It is called Half Scale Operation.

How to Calculate Half Scale Resistance for Shunt Type Ohmmeter?

Half Scale Resistance for Shunt Type Ohmmeter calculator uses Unknown Shunt Resistance = (Shunt Resistance*Resistance of Shunt Meter)/(Shunt Resistance+Resistance of Shunt Meter) to calculate the Unknown Shunt Resistance, Half Scale Resistance for Shunt Type Ohmmeter formula is dependent solely on the resistance values of the current limiting resistance and the internal meter resistance. It gives the unknown resistance at half scale operation. Unknown Shunt Resistance is denoted by Rx1 symbol.

How to calculate Half Scale Resistance for Shunt Type Ohmmeter using this online calculator? To use this online calculator for Half Scale Resistance for Shunt Type Ohmmeter, enter Shunt Resistance (Rs1) & Resistance of Shunt Meter (Rm1) and hit the calculate button. Here is how the Half Scale Resistance for Shunt Type Ohmmeter calculation can be explained with given input values -> 0.512798 = (0.8695*1.25)/(0.8695+1.25).

FAQ

What is Half Scale Resistance for Shunt Type Ohmmeter?
Half Scale Resistance for Shunt Type Ohmmeter formula is dependent solely on the resistance values of the current limiting resistance and the internal meter resistance. It gives the unknown resistance at half scale operation and is represented as Rx1 = (Rs1*Rm1)/(Rs1+Rm1) or Unknown Shunt Resistance = (Shunt Resistance*Resistance of Shunt Meter)/(Shunt Resistance+Resistance of Shunt Meter). Shunt Resistance is the current limiting resistance in an ohmmeter & Resistance of Shunt Meter is an instrument resistance.
How to calculate Half Scale Resistance for Shunt Type Ohmmeter?
Half Scale Resistance for Shunt Type Ohmmeter formula is dependent solely on the resistance values of the current limiting resistance and the internal meter resistance. It gives the unknown resistance at half scale operation is calculated using Unknown Shunt Resistance = (Shunt Resistance*Resistance of Shunt Meter)/(Shunt Resistance+Resistance of Shunt Meter). To calculate Half Scale Resistance for Shunt Type Ohmmeter, you need Shunt Resistance (Rs1) & Resistance of Shunt Meter (Rm1). With our tool, you need to enter the respective value for Shunt Resistance & Resistance of Shunt Meter and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
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