Prokit's Industries 8PK-ST1520 - Manual (Page 8)

7
●Earth Resistance Measurement:
(1) Connection with test leads:
Connect green, yellow and red test leads to
instrument terminals E, P and C with auxiliary
earth bars P1, C1 driven into earth "IN A
STRAIGHT LINE".(Fig.2)
(2) Set the Range Switch to suitable range and
set the function switch to Ω position then press
the PUSH-ON BUTTON and TIME ON BUTTON
at the same time and take the reading on the
display.
WARNING
●When none of E, P and C terminals
connected with test leads, the display shows
"1" at Ω function.
●Follow the proper connection such as Fig.2,
the LED(red) indicator will lit. This proves a
correct current circulation
is under its operation.