Megger MOM2, Руководство пользователя

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BD0333FE ZP-BD03E MOM2 25
5 OPERATING INSTRUCTIONS
5.3 Measurement
with minimum current
guarantee, I > I min
1]
Read the section 5.1 General instructions.
2]
If applicable, connect the ground cable (pro-
tective earth).
3]
Make the desired settings in the SET options.
Select I min to 50 or 100 A (in this example
set to 100 A).
In this example
LOG and P / F are disabled (set
to OFF).
4]
Attach the test cables.
5]
Turn the function selector to desired I > I min
position.
The instrument indicates that it is charging
the capacitor by a repeated sound and on
the display shows alternating "CAP" and
"CHG" as well as the padlock symbol.
Charging
6]
When the lock symbol disappears the MOM2
is ready for a measurement.
Ready for test
7]
Press the TEST button on MOM2 or Trigger
on the probe.
A continuous audio signal tells that the
measurement is in progress.
Two short signals tells that the measurement
is complete.
A]
If the current value is over the set min current
limit the result will be shown on the display
with big digits.
The small digits toggle between max and min
current value.
Pictures shows that the test current was below 219 A and
over 205 A.
B]
If the current value is below the set min cur-
rent limit there is the fail signal and the <
character is displayed to the left of the set
min current value.
Picture shows that the test current was below 100 A.