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Hioki FT3151 User Manual

Hioki FT3151
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31
Measuring Earth Resistance Precisely
(Precise Measurement, 3-Pole Measurement Method)
Auxiliary earth resistance check
The FT3151 has a function for checking the auxiliary earth
resistance. Be sure to perform this check before measuring earth
resistance. The check result should be evaluated as follows:
The more the needle of the galvanometer deects to the left, the
higher is the auxiliary earth resistance. (If the needle remains in
the vicinity of the zero point, auxiliary earth resistance poses no
problem.)
1
Checking earthing condition of
auxiliary earthing rod H(C)
Set the range selector to H and press the
MEASURE button.
Verify that the needle of the galvanometer
rests within the green range of the S/H
CHECK mark.
2
Checking earthing condition of
auxiliary earthing rod S(P)
Set the range selector to S and press the
MEASURE button.
Verify that the needle of the galvanometer
rests within the green range of the S/H
CHECK mark.
1
2
3
4
5
6
7
Appx. Ind.

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Hioki FT3151 Specifications

General IconGeneral
BrandHioki
ModelFT3151
CategoryTest Equipment
LanguageEnglish

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