Adjustment Of The Alarm Thresholds - AEMC 6550 User Manual

Set Ramp Function 1, 2, and 3: In the case of a measurement with a ramped voltage, used to set the starting
voltage, the slope of the ramp, and the final voltage.
Pressing the ► button opens the following screen:
You can then set the voltage and duration of the starting level and of the final level, along with the duration of
the ramp. The total duration of the measurement (Total Run Time) is calculated by the instrument.
The voltages can be adjusted in two ranges: between 40V and 1100V or between 500V and 15,000V.
The duration of the steps can range from Start 0:30, Ramp 0:10, End 0:10 to 99:59.
Press the ◄ arrow button to exit the menu and go back to the main menu.

3.4.6 Adjustment of the Alarm Thresholds

Press the DISPLAY button to see the following:
An audible alarm is triggered for voltages below the
following alarm thresholds. There is one for each fixed
or adjustable voltage and all of them can be modified.
- For a test voltage of 500V, the alarm threshold is
adjustable from 10kW to 2TW.
- For a test voltage of 1000V, the alarm threshold is
adjustable from 10kW to 4TW.
- For a test voltage of 2500V, the alarm threshold is
adjustable from 10kW to 10TW.
- For a test voltage of 5000V, the alarm threshold is
adjustable from 10kW to 15TW.
- For a test voltage of 10,000V, the alarm threshold
is adjustable from 10kW to 25TW.
- For a test voltage of 15,000V, the alarm threshold
is adjustable from 10kW to 30TW.
- For the adjustable test voltages, the alarm
threshold depends on the voltage. It is adjustable
between two values that depend on the test
voltage.
Press the DISPLAY button again to return to the first
SET-UP screen.
Megohmmeter Models 6550/6555
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Step & Ramp Functions
Ramp Function 1
Step Voltage Duration (m:s)
Start 50 V
Ramp
End 100 V
Total Run Time (m:s)
DISPLAY
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0:10
0:10
0:10
0:30
Alarm Settings
500 V
1000 V
2500 V
5000 V
10000 V
15000 V
Adjustable Voltage 1
Adjustable Voltage 2
Adjustable Voltage 3
.ca 1.877.766.5412
< 500 kΩ
< 1.0 MΩ
< 2.5 MΩ
< 5.0 MΩ
< 10 MΩ
< 15 MΩ
< 50 kΩ
< 100 kΩ
< 250 kΩ
25