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4
MAINTENANCE
The M
WLR is completely solid state, and therefore requires very little
IDAS
maintenance. Other than keeping the instrument relatively clean (as described in
Section 3.3, Recovery), the only procedure that the customer will be required to carry
out on a regular basis is to change the batteries. This Chapter also covers details of the
o-rings that are fitted to the instrument, and which should be checked periodically for
damage and replaced if necessary.
4.1
CHANGING BATTERIES
The M
WLR accepts 8 x C cells, of either 1.5v alkaline or 3.6v Lithium type. These
IDAS
cells are arranged in series, so the output voltage is 12v (alkaline) or 28.8v (Lithium).
Some example scenarios for lifetime of these batteries are given in Chapter 2.4.2
The batteries are located in a holder in the top of the instrument, and should be
accessed by removing the connector bulkhead.
1.
(This step may be omitted)
For easier access, remove the instrument from the protective cage by loosening the
M10 nuts on the polypropylene clamps. Gently lever these clamps apart, using a
screwdriver if necessary.
Slide the instrument out of the cage, in either direction.
M
WLR Hardware Manual
IDAS
Page 14
© Valeport Limited
M5 screws
in this end
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