27
Sidekick
®
Plus Test Set
7. Press
F1 Start
to read the earth ground resistance
of the ground rod. Less than 25 Ω is typically
considered good.
Leakage/Resistance
LEAKAGE
The LEAKAGE measurement applies 150 VDC to the
pair under test to detect intermittent resistance faults
that normal VOM tests cannot detect.
To conduct a leakage measurement, perform the fol-
lowing steps:
1. Connect the test leads: black to tip, red to ring, and
green to ground.
2. Move the rotary knob to the LEAKAGE/OHMS
position.
The Leakage display is the default display.
The leakage measurement for a single pair appears in
the LCD. The measurement updates continuously. The
leakage test also has the option to reverse the polarity
of the 150 VDC by pressing
F3 REV
.
For best results, leave the polarity in either direction for
at least 15 seconds. Then change it again and continue
to check the readings. A sudden drop in the resistance,
or readings that waver or change from one polarity to
the other, is a sign of galvanic corrosion breakdown.
Also the tip-to-ground and ring-to-ground measure-
ments should be rechecked for any change after the
polarity reversal.
Summary of Contents for 1155-5003
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