Display
40
isoxx1685Dx-x25_D00272_07_M_XXEN/09.2022
7.6 History memory
Up to 1023 alarm messages and device errors are stored in the history memory with date and
time stamp. If the history memory is deleted, the minimum insulation resistance R
min
will also
be reset in the Data-isoGraph at Menu -> Data Measured values -> Reset Data-isoGraph.
7.7 Insulation fault location
When EDS mode is activated, the ISOMETER® indicates the message "Ins. fault locat.". Below,
on the left side it indicates which EDS mode is activated. On the right side, it indicates the po-
larity change of the measuring pulses including the pause in between. The different pulse
phases are indicated by the corresponding symbols. *
Positive measuring pulse *
Pause
Negative measuring pulse *
The insulation fault location has been started manually and runs conti-
nuously. No insulation measurement takes place.
43 s
Insulation fault location in auto mode and 1 cycle.
Time countdown of a measurement cycle.
- - -
Time cannot be displayed
* Display for low-frequency measurements
In the LAB procedure, the pulse can last up to one minute. Therefore, there is
no constant "changing" of the display symbols. The respective symbols are
displayed continuously for the pulse time of up to 1 minute.
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28.03.14 17:18
15kΩ
6
7
3
2
1
5
4
Keypad
1 Next message
2 Exit view
3 Previous message
Display
4 Fault description
5 Alarm value
6 Fault appeared/
Fault disappeared
7 Number of the selected fault/
Fault message count
History
Insulation fault
x.1
PGH ON
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