D.C. watt hour

D.C. ampere hour

A.C. and D.C. watt hour

A.C. watt hour

the battery in the instrument is weak

there is no battery in the instrument

the measured value is over range

the display is damaged

current drawn by an electronic circuit

supply voltage to D.C. motor

continuity test of motor winding

insulation resistance of motor

mains power is not available everywhere

it requires only a small amount of power

LCD can be read even in dark

LCD has a bright display

0 V to 10 V

20 V to 40 V

40 V to 50 V

50 V to 60 V