8. Attention
8.1.In order to make the test proceed smoothly, please use multimeter to check whether the contact
point between the test lead and the ground pile is intact before testing, and measure whether there
is any open circuit situation for the wiring.
8.2.When measuring with 4-pole equidistant method, the instrument will automatically eliminate
wiring errors.
8.3.If other malfunctions occur with this instrument, please contact the after-sales service
department of our company directly. Please do not disassemble and inspect it without permission.
9. External Power Supply Instrument Operation Instruction
9.1.Wiring connection with the 50A specialized external power supply source
9.2.Starting the host power source and enter the main interface, press "External Power" key to
select external power mode
9.3.Starting the 50A external power source instrument.
9.4.Enter into test current adjustment interface, switch to "ExPWR" gear, set the external power
source to request current, and then press "TEST" key of the earth tester, then the tester will
measurement with external power.
10. Wiring Connection Reference
Measurement grounding nexwork earth resistance
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