II - If the pointer moves towards the the
I - If the pointer remains within the
red section, that means the insulating
green section, that means the insulating
element has been DISAPPROVED in
element has APPROVEDED the test;
the test;
II - If the pointer moves towards the the
- Raise the instrument and position it
red section, that means the insulating
onto the next section to be tested,
element has been DISAPPROVED in
which should be the area immediately
the test;;
after that where the instrument is, so
- Raise the instrument and position it
you may go through the entire
onto the next section to be tested, which
extension of the insulating element.
should be the area immediately after
that where the instrument is, so you
8.2. Test on Moist Surfaces
may go through the entire extension
- Move the selector switch to the
of the insulating element.
MOIST position;
NOTE
- Run the instrument calibration
1. Do not slide the instrument over the
procedure as in item 6;
insulating element, since this will
- Using a sprinkler, spray the entire
damage its surface;
insulating element surface with
2. In case of a DISAPPROVED test,
distilled water, so that water drops
carefully clean the insulating element,
are formed on its surface. Avoid over
inspecting it for existing cracks, chinks
wetting the insulating element, so
or contamination caused by dirt and
continuous water lines are not
then repeat the test. In case the red
formed;
section reading persists, the insulating
- Lean the instrument on top of the
element should no longer be used;
insulating element, so it touches the
3. Anyway, the perfect insulation of the
electrode plate with its own weight.
insulating element will be verified from
There is no need to press the
the beginning of the green section
instrument over it;
reading of APPROVED. In cases of
- Check the reading in the
readings where the pointer moves to the
galvanometer and observe the
middle of the scale, yet within the green
following conditions:
section, the insulating element should
also be subject to a rigorous inspection
and cleaning.
PORTUGUÊS
TEREX
19
MI0018-rev00
