Page 17
Chapter 1 –
TnT
Portable Appliance
Test Instructions
EXT LEAD TEST
Menu 1
PROCEDURE:
1. Complete a VISUAL INSPECTION on the DUT (Device Under Test)
[refer to page 13 for details – ‘Visual Inspection’].
IF THE DUT PASSED THE ‘VISUAL INSPECTION’, CONTINUE WITH THE FOLLOWING
INSTRUCTIONS
[if not, refer to page 13 ’IF RESULT IS A FAIL’ ]:
2. Plug in IEC adaptor lead into IEC socket ( Remove Earth lead if inserted - Please
read note below)
3. Plug Male end of Extension lead or Power board into TnT tester DUT
socket
4. Plug IEC adaptor lead into Extension lead /Power board socket.
5. Press the F3 key and wait for results.
RESULTS ARE DISPLAYED
6. Read the result and record appropriately.
7. Unplug the Extension lead /Power board.
8. Press the Enter key to return to the Main Menu.
IF THE RESULT OF THE TEST WAS A ‘PASS’ - Tag the DUT with the appropriate tag,
including ‘Next test Due’ date and return to service.
IF THE RESULT OF THE TEST WAS A ‘FAIL’ - Tag the DUT with a DANGER TAG AND
REMOVE THE DUT FROM SERVICE.
PLEASE NOTE:
1. Extension leads should always be uncoiled before using or testing.
2. Please ensure that the IEC Adaptor & the IEC socket are inserted firmly or it may
result in a continuity/polarity fail.
[Illustration above is for demonstration only]
The Ext. Lead TEST completes the following sequence as part of its
comprehensive testing procedure:
1. Integrated SUPPLY MAINS TEST
[see page 11 for details]
2.
EARTH BOND TEST
(@200ma)
:200Ma Test Current. Pass Level LESS than 1
Ω
Ω
Ω
Ω
3.
INSULATION TEST
(@ 250v or 500v) Pass Level GREATER than 1M
Ω
Ω
Ω
Ω
4. CONTINUITY & POLARITY TEST 250VAC Checks continuity & polarity of leads
For Extensions Lead/Power Board & IEC Leads
PLEASE NOTE: A VISUAL INSPECTION MUST BE CARRIED OUT
BEFORE ANY OTHER TESTS.
[refer to page 13 for more details]
Содержание TNT+
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