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The Bushing Adaptor Circuit Integrity Test is to be performed upon installation, after
periodic transformer maintenance or any bushing repair activities.
D.1
Required Material
▪
Antenna Analyser, RigExpert (model: AA-170)
▪
UHF to BNC adaptor
▪
Coax cable with BNC connector at one end and clips at the other end as shown in
Figure D-1
Figure D-1: Coax BNC to clips cable
▪
Two small flat screwdrivers or a 2-pin connector and a release key as shown in
Figure D-2
Figure D-2: 2-pin connector and release key
▪
USB cable with type B connector
▪
PC with AntScope software installed
▪
50 W wire-through resistor
▪
Ohmmeter
D.2
Test Procedure
The RigExpert AA-170 handheld antenna analyser is used to verify the electrical
connection of the internal Bushing Adaptor. Before commencing the test:
Ensure that the transformer is switched off and properly grounded. The
Intellix™ BMT 330 shall not be energised.
MA-017 – BMT 330 Installation Manual – Rev 3.3
Bushing Adaptor Circuit Integrity Test Record
4-Mar-22
Page 49 of 69
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