Warranty And Repair; Maintenance; Mains Voltage; Changing The Line Fuse - Hameg HM7042-5 Manual Del Usuario

operation is only allowed from 3 terminal connectors with
a safety ground connection or via isolation transformers of
class 2. The instrument may be used in any position, however,
suffi cient ventilation must be assured as convection cooling is
used. For continuous operation prefer a horizontal or slightly
upward position using the feet.
Do not cover either the holes of the case nor the
cooling fi ns.
Specifi cations with tolerances are valid after a 30 minute warm-
up period and at 23 degrees C. Specifi cations without tolerances
are typical values of an average instrument.
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Warranty and Repair

HAMEG instruments are subjected to a rigorous quality control.
Prior to shipment each instrument will be burnt in for 10 hours.
Intermittent operation will produce nearly all early failures.
After burn in, a fi nal functional and quality test is performed to
check all operating modes and fulfi lment of specifi cations. The
latter is performed with test equipment traceable to national
measurement standards.
Statutory warranty regulations apply in the country where the
HAMEG product was purchased. In case of complaints please
contact the dealer who supplied your HAMEG product.

Maintenance

The instrument does not require any maintenance. Dirt may
be removed by a soft moist cloth, if necessary adding a mild
detergent. (Water and 1 %.) Grease may be removed with ben-
zine (petrol ether). Displays and windows may only be cleaned
with a moist cloth.
Do not use alcohol, solvents or paste. Under no
circumstances any fl uid should be allowed to get
into the instrument. If other cleaning fl uids are
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used damage to the lacquered or plastic surfaces is
possible.

Mains voltage

A main voltage of 115V and 230V can be chosen. Please check
whether the mains voltage used corresponds with the voltage
indicated by the mains voltage selector on the rear panel. If not,
the voltage has to be changed. In this case the line fuse has to
be changed, too.
Please note:
After changing the main voltage, the line fuse has
to be changed. Otherwise the instrument may be
destroyed.

Changing the line fuse

The fuses are accessible from the outside and contained in
the line voltage connector housing. Before changing a fuse
disconnect the instrument from the line, the line cord must be
removed. Check fuse holder and line cord for any damages. Use
a suitable screw driver of appr. 2 mm to depress the plastic
fuse holder releases on both sides, the housing is marked where
the screw driver should be applied. After its release the fuse
holder will come out by itself pushed forward by springs. The
fuses can then be exchanged, please take care not to bend the
contact springs. Reinsertion of the fuse holder is only possible
in one position and by pressing against the springs until the
locks engage.
It is forbidden to repair defective fuses or to bridge them by any
means. Any damage caused this way will void the warranty.
Types of fuses:
Size 5 x 20 mm; 250V~,
IEC 60127-2/5
EN 60127-2/5
Line voltage Correct fuse type
230 V 2 x 2,5 A slow blow
115 V 2 x 5 A slow blow
I m p o r t a n t h i n t s
Sous réserve de modifi cations
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