Display; Example Of Display Before Measurement; Example Of Display During Measurement; Example Of Display After Measurement - AEMC 6550 User Manual

2.3 Display

The display is a graphical, digital LCD with a resolution of 320 x 240 pixels. It has built-in backlight, which can
be controlled by a long press on the HELP/

2.3.1 Example of Display Before Measurement

Test with programmed duration
The blinking value can be modified
using the navigation arrow keys
Value of the next lowest
available test voltage
Value of the external voltage present
on the terminals and its frequency
Current flowing between the terminals

2.3.2 Example of Display During Measurement

The measurement smoothing filtering is
active, with a time constant of 20 seconds
Value of the insulation resistance
The voltage generated is >70V
and therefore, dangerous
True value of the test voltage
Value of the insulation resistance
on the bargraph

2.3.3 Example of Display After Measurement

The measurement range is fixed
Value of the insulation resistance
True value of the test voltage at
the end of the measurement
Subsidiary results
The symbol indicates blinking.
If values are undetermined, they are represented by - - - -.
8
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FIXED VOLTAGE
1000 V
500 V
Test Run Time 00:02:00
Input voltage
Frequency
Input current
Date 2011.05.23
DF 20s
303.3 MΩ
DC
984 V
Elapsed Time 00:00:48
kΩ MΩ
1
10 100 10
100
RANGE ALARM
995 MΩ
528 V
Elapsed Time 00:01:12
DAR (30s/60s)
PI (1.0m/10m)
Capacitance
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The alarm is enabled
No stop at current limit
ALARM BURN Battery power level status
Measurement function
2500 V
Value of the next highest
available test voltage
Programmed duration of the test
-0.1 V DC
0.2 Hz
112 pA
Time 10:31
Date and Time
ALARM I-LIM
Stop at current limit
Current flowing between the terminals
3.244 µA
Elapsed time since the beginning
of the measurement
GΩ TΩ
1 1
10 100 10
The insulation resistance is below the
alarm threshold
The type of measurement is a
E-BRK
non-destructive test
Current at the end of the measurement
531 nA
Duration of the measurement
1.00
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2.201 nF
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Megohmmeter Models 6550/6555
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