21
Important hints
in any position, however, sufficient ventilation must be as-
sured as convection cooling is used. For continuous ope-
ration prefer a horizontal or slightly upward position using
the feet.
Specifications with tolerances are valid after a 30 minute
warmup period and at 23 °C. Specifications without tole-
rances are typical values of an average instrument.
1.7 Warranty and Repair
Our instruments are subject to strict quality controls. Prior
to leaving the manufacturing site, each instrument under-
goes a 10-hour burn-in test. This is followed by extensive
functional quality testing to examine all operating modes
and to guarantee compliance with the specified technical
data. The testing is performed with testing equipment that
is calibrated to national standards. The statutory warranty
provisions shall be governed by the laws of the country
in which the product was purchased. In case of any com-
plaints, please contact your supplier.
Any adjustments, replacements of parts, maintenance and
repair may be carried out only by authorized technical per-
sonnel. Only original parts may be used for replacing parts
relevant to safety (e.g. power switches, power transform-
ers, fuses). A safety test must always be performed after
parts relevant to safety have been replaced (visual inspec-
The product may only be opened by authorized and
qualified personnel. Prior to working on the product or
before the product is opened, it must be disconnected
from the AC supply network. Otherwise, personnel will
be exposed to the risk of an electric shock.
tion, PE conductor test, insulation resistance measurement,
leakage current measurement, functional test). This helps
ensure the continued safety of the product.
1.8 Maintenance
The display can be cleaned using water or a glass cleaner
(but not with alcohol or other cleaning agents). Thereafter
wipe the surfaces with a dry cloth. No fluid may enter the
instrument. Do not use other cleaning agents as they may
adversely affect the labels, plastic or lacquered surfaces.
1.9 Power switch
The instrument has a wide range power supply from 105
V to 253 V, 50 Hz or 60 Hz ±10 %. There is hence no line
voltage selector.
1.9 Line fuse
The instrument has 2 internal line fuses: T 0.8 A. In case of
a blown fuse the instrument has to be sent in for repair. A
change of the line fuse by the customer is not permitted.
Clean the outer case using a dust brush or a soft, lint-
free dust cloth at regular intervals.
Before cleaning please make sure the instrument is switched off
and disconnected from all power supplies.
No part of the instrument should be cleaned by the use of
cleaning agents (as f.e. alcohol) as they may adversely affect the
labeling, the plastic or lacquered surfaces.
Summary of Contents for Hameg HM8150
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