wattmeter and power factor meter

frequency meter and tong tester

phase sequence meter and energy meter

ohm meter and megger

20 amperes

15 amperes

30 amperes

10 amperes

current flowing through the load

square of the current in the current coil

the voltage applied to the pressure coil

the current in the current coil and voltage in the pressure coil

230 volts

240 volts

415 volts

440 volts

13.33 kWh

1.33 kWh

0.133 kWh

0.0133 kWh