7. Infinite setting
The mechanical zero of galvanometer must be periodically checked. In or-
der perform this checking, be sure that the insulation tester is powered-
off. The pointer should stay on the right end of the scale just over the in-
finite mark on scale C. In other case, the plastic screw at the bottom of
the galvanometer acrylic cover shall be adjusted.
8.
Replacement fuse
To check the instrument Fuse, remove it with a screw driver. If the fuse is
ruptured replace it by another with the following specifications:
Fuse Schurter, model SPT 5x20 (Time-lag) 2A/250V. High breaking capacity.
9. Cleaning
Cleaning of this instrument should be carried out using a soft cleaning
anti-static liquid, after verifying that it doesn't affect the plastic parts used
in the case and in the Control Panel of this equipment.
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