OPERATION
AVTMPFL22M Rev 1 April 2011
25
6.
Depress the Initiate button (item 22) and the selected test voltage will be
applied to the cable under test. Whilst active the pushbutton will flash.
The integrity of the cable under test can now be assessed by reviewing a)
breakdown voltage and b) leakage current.
7.
To deselect, depress the Proof/Burn pushbutton (item 18), which also
engages the internal earthing/grounding and removes any High Voltage.
8.
At this stage the Status Bar (item 1) will glow “Green”.
D.C. Dielectric Proof/Burn
1.
Set the Voltage Control Knob (item 21) to the “Zero Start” position (item 9).
Note:
Range and function switch cannot be moved if a mode is active.
2.
Set the Voltage Range switch (item 20) to the desired range either 10 or
20kV. At this stage the Status Bar (item 1) will glow “Red”
3.
Set the Mode (Filter) selector switch (item 19) to Proof-Burn & Surge group.
Both lamps will illuminate, advising that either of these modes are available.
4.
Depress the pushbutton of the desired mode, in this case Proof/Burn.
Selection is confirmed by the pushbutton remaining illuminated and other
pushbutton extinguishing.
Initiate button Illuminates.
5.
The required test voltage is set by using the Voltage Control knob (item 21).
This voltage is displayed on the d.c KiloVolt meter (item 13) and the Voltage
Preview Lamp (item 7) is illuminated indicating that the displayed voltage is a
“preview only” with no HV being applied at this time.
6.
Depress the Initiate button (item 22) and the selected Proof/Burn voltage
will be applied to the cable under test. When active the pushbutton will flash
7.
If the fault needs conditioning (burning) then the operator leaves the
proof/burn voltage applied, rather than removing it which would be the
normal practise when checking the integrity of the cable. Following a suitable
period as defined by the operator the voltage is removed.
8.
To deselect, depress the Proof/Burn pushbutton (teim 18), which also
engages the internal earthing/grounding and removes any High Voltage.
9.
The Status Bar (item 1) will glow “green” when all HV is removed and the
instrument and test piece has been earthed/grounded.
Summary of Contents for PFL22M1500 Series
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Page 43: ...AVTMPFL22M Rev 1 April 2011 33 Addendum 1 MTDR100 User Guide...
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Page 61: ...AVTMPFL22M Rev 1 April 2011 51 Addendum 2 PFL22M1500INV XX PFL22M1500INV Inverter Option only...
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Page 69: ...AVTMPFL22M Rev 1 April 2011 59 Addendum 3 Cable Fault Location Applications Guide...
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Page 77: ...AVTMPFL22M Rev 1 April 2011 67 Megger Quality System Certificate...
