4.2 Displaying PI and DAR
86
When the resistance indication blinks, the
displayed reading may be incorrect. (Insu-
lation resistance changed rapidly before
end of set specified time, affecting mea-
surement range due to internal circuit fail-
ure to respond)
When the resistance reading blinks, regard
the PI or DAR value as a reference. Per-
form measurement again.
The table below shows special indications
for PI and DAR.
Blinking resistance indication on PI or
DAR display screen
PI, DAR
Conditions
- - -
• One or more resistance val-
ues could not be acquired.
• ([
- - -
] appears in the resis-
tance field.)
• One or more resistance val-
ues exceeded measure-
ment range.
• ([
OF
] appears in the resis-
tance field.)
• The 1st measurement was
0.00 M
Ω
.
>999
PI or DAR is larger than 999.
<0.01
PI or DAR is smaller than
0.01.
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