Maintenance & Repair - Wavetek Meterman HD160B Manuel D'utilisation

If there appears to be a malfunction during the operation of the meter, the
following steps should be performed in order to isolate the cause of the problem:
Check the battery.
operating procedure.
intermittent connection.
Except for the replacement of the battery or fuse, or test probes, repair of the
multimeter should be performed only by a Factory Authorized Service Center or
by other qualified instrument service personnel.
The front panel and case can be cleaned with a mild solution of detergent and
water. Apply sparingly with a soft cloth and allow to dry completely before using.
Do not use aromatic hydrocarbons or chlorinated solvents for cleaning.
BATTERY / FUSE REPLACEMENT (See Fig. 6)
Preliminary: Disconnect test leads from circuit and meter. Turn off the meter,
remove the holster and place the meter face down on a clean padded surface.
Unscrew 6 securing screws with the hex wrench located inside the holster and
remove rear case cover. A flat blade screwdriver may be needed to separate the
case halves because of the tight fit of the case seal. Make sure no dirt, grease, or
other contaminates get into the meter. Do not touch any circuit parts other than the
battery and fuse holders.
Battery
Cover
Fig. 6
Warning: Failure to turn off the multimeter before installing the battery could
result in damage to the instrument and to the battery if the battery is connected
incorrectly to the multimeter.
Fuse replacement: Remove the fuse covers and carefully pry up one end of
suspect/blown fuse using a small flat blade screwdriver. Replace with only one of
the following:
10A input: F20A/600V fuse (10mm x 38mm), I.R. 100kA – Wavetek p/n
FP425, Little Fuse p/n KLK-20, or Bussmann p/n. KTK-20.
MAINTENANCE & REPAIR
Review the operating instructions for possible mistakes in
Inspect and test the Test Probes for a broken or
Inspect and test the fuses. See Fuse Replacement.
ONLY
LIFT HERE
LIFT FLAT
Do not pry on
case edge or
shield spring
(not shown)
Battery replacement: Lift
battery cover from rear case by
lifting on the side tab with your
thumb. Install a new 9 volt
alkaline battery type NEDA
1604, JIS 006P, or IEC 6F22.
Install the new battery
observing the correct polarity.
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