Half Scale Resistance for Shunt Type Ohmmeter Calculator

✖Shunt Resistance is the current limiting resistance in an ohmmeter.ⓘ Shunt Resistance [R_s]			+10% -10%
✖Resistance of Shunt Meter is an instrument resistance.ⓘ Resistance of Shunt Meter [R_m]			+10% -10%

✖Half Scale Resistance refers to the resistance value halfway between the maximum and minimum resistance of a variable resistor or potentiometer, typically used to calibrate or set reference points.ⓘ Half Scale Resistance for Shunt Type Ohmmeter [R_h]

⎘ Copy

👎

Formula

✖

Half Scale Resistance for Shunt Type Ohmmeter

Formula

`"R"_{"h"} = ("R"_{"s"}*"R"_{"m"})/("R"_{"s"}+"R"_{"m"})`

Example

`"0.729167Ω"=("1.75Ω"*"1.25Ω")/("1.75Ω"+"1.25Ω")`

Calculator

LaTeX

Reset

👍

Download Measuring Instrument Circuits Formula PDF PDF Image

Half Scale Resistance for Shunt Type Ohmmeter Solution

STEP 0: Pre-Calculation Summary

Formula Used

Half Scale Resistance = (Shunt Resistance*Resistance of Shunt Meter)/(Shunt Resistance+Resistance of Shunt Meter)
R_h = (R_s*R_m)/(R_s+R_m)
This formula uses 3 Variables

Variables Used

Half Scale Resistance - (Measured in Ohm) - Half Scale Resistance refers to the resistance value halfway between the maximum and minimum resistance of a variable resistor or potentiometer, typically used to calibrate or set reference points.
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: 1.75 Ohm --> 1.75 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

R_h = (R_s*R_m)/(R_s+R_m) --> (1.75*1.25)/(1.75+1.25)

Evaluating ... ...

R_h = 0.729166666666667

STEP 3: Convert Result to Output's Unit

0.729166666666667 Ohm --> No Conversion Required

FINAL ANSWER

0.729166666666667 ≈ 0.729167 Ohm <-- Half Scale Resistance

(Calculation completed in 00.004 seconds)

You are here -

Home » Engineering » Electronics and Instrumentation » Measuring Instrument Circuits » Ohmmeter » Shunt Type » Half Scale Resistance for Shunt Type Ohmmeter

Credits

Created by Nikita Suryawanshi

Vellore Institute of Technology (VIT), Vellore

Nikita Suryawanshi has created this Calculator and 100+ more calculators!

Verified by Devyaani Garg

Shiv Nadar University (SNU), Greater Noida

Devyaani Garg has verified this Calculator and 25+ more calculators!

< 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 Half Scale 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

Half Scale Resistance = (Shunt Resistance*Resistance of Shunt Meter)/(Shunt Resistance+Resistance of Shunt Meter)
R_h = (R_s*R_m)/(R_s+R_m)

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 Half Scale Resistance = (Shunt Resistance*Resistance of Shunt Meter)/(Shunt Resistance+Resistance of Shunt Meter) to calculate the Half Scale 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. Half Scale Resistance is denoted by R_h 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 (R_s) & Resistance of Shunt Meter (R_m) and hit the calculate button. Here is how the Half Scale Resistance for Shunt Type Ohmmeter calculation can be explained with given input values -> 0.729167 = (1.75*1.25)/(1.75+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 R_h = (R_s*R_m)/(R_s+R_m) or Half Scale 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 Half Scale 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 (R_s) & Resistance of Shunt Meter (R_m). 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.

Home

FREE PDFs

🔍 Search