How to Calculate Wattmeter Reading?
Wattmeter Reading calculator uses Wattmeter Reading = (Pressure Coil Voltage*Iron Loss)/(Potential Difference) to calculate the Wattmeter Reading, The Wattmeter Reading formula is defined as an instrument for measuring the electric power (or the supply rate of electrical energy) in watts of any given circuit. Electromagnetic wattmeters are used for the measurement of utility frequency and audio frequency power. Wattmeter Reading is denoted by Wr symbol.
How to calculate Wattmeter Reading using this online calculator? To use this online calculator for Wattmeter Reading, enter Pressure Coil Voltage (Vwp), Iron Loss (Pi) & Potential Difference (V) and hit the calculate button. Here is how the Wattmeter Reading calculation can be explained with given input values -> 5.236413 = (10.25*9.4)/(18.4).