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1.5
Metering
1.5.1
The equipment is fitted with an output kilovolt meter which senses the high voltage
from the equipment. The output kilovolt meter has one range which is 0-15 kV dc.
1.5.2
The equipment is fitted with an output milliammeter which senses the output
current from the equipment. The output milliammeter has two ranges :-
0-10 milliamps dc
0-1 milliamps dc
The range change on the milliammeters is achieved by means of an non latching
push-button which is coloured white and located on the instrument's front panel.
The rest position is Range 1 and the activated position is Range 2.
1.6
Automatic Earthing
1.6.1
AUTOMATIC DISCHARGE/EARTHING
The automatic discharge system, which is fail safe, will discharge a maximum of
1.25 kilojoules at 15kv DC four times every hour. The contact surfaces of the
internal dump switches are made of very hard dissimilar metals to contain
contact burning and erosion.
