OPERATING MANUAL MIC-10s1 version 1.03
22
Additional information displayed by the meter
Test voltage is present on terminals of the meter
.
NOISE!
Interference voltage lower than 50 V DC or 1500 V AC is
present on the tested object. Measurement is possible but
may be burdened with additional uncertainty.
V>50V
(
V>1500V
for
AC)
+ two-tone beep
The tested object is live. The measurement is blocked.
LIMIT I
Current limit exceeded. The symbol displayed is accompa-
nied by a continuous beep.
HILE !
Leakage current too high (breakdown of insulation during
the measurement.)
3.2.2 Three-lead measurement
In order to eliminate the influence of surface resistance in transformers, cables, etc. the three-lead
measurement is used, but do not connect the current measuring test lead
R
ISO
-
to large ground conduc-
tors. For example:
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