4．Earth Voltage Measurement
Earth voltage measurement need to use one auxiliary
earthing rod.
The meter connect with the earth only by testing wires and
auxiliary earthing rods. Other testing wires of meter’s
interface can’t connect with commercial power line L, N,
otherwise may cause leakage, the breaker may start, it is
dangerous.
Earth voltage measurement can't exceed 600 V.
Earth voltage: That is a potential differences between zero potential
differences and earthing equipment shell, earthing wires, earthing body
when electrical equipment has a earthing fault. Earth voltage is the
potential differences between the earth. As a reference point, the earth is
zero potential.
Earth voltage measurement need to use one auxiliary earthing rod.
Please pay attention to the difference from commercial AC voltage
measurement. As shown below: meter, auxiliary earthing rods, testing
wires are all connected, rotate FUNCTION rotary switch to “EARTH
VOLTAGE” and start testing, LCD will display the test results.
Yellow
Green
Transformer
n2
n1
Measured Grounding
Commercial Grounding on the ground voltage test
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