39
Important Notes
39
Important Notes
The product may be operated only under the operating
conditions and in the positions specified by the manufac-
turer, without the product’s ventilation being obstructed.
If the manufacturer’s specifications are not observed, this
can result in electric shock, fire and/or serious personal in-
jury, and in some cases, death. Applicable local or national
safety regulations and rules for the prevention of accidents
must be observed in all work performed.
The measuring instrument is designed for use in the fol-
lowing sectors: Industry, residential, business and com-
mercial areas and small businesses.
The measuring instrument is designed for indoor use only.
Before each measurement, you need to verify at a known
source if the measuring instrument functions properly.
1.6 Ambient Conditions
The allowed operating temperature ranges from +0 °C
to +40 °C (pollution category 2). The maximum relative
humidity (without condensation) is at 80%. During storage
and transport, the temperature must be between -40 °C
and +70 °C. In case of condensation during transportation
or storage, the instrument will require approximately two
hours to dry and reach the appropriate temperature prior
to operation. The measuring instrument is designed for
use in a clean and dry indoor environment. Do not operate
with high dust and humidity levels, if danger of explosion
exists or with aggressive chemical agents. Any operating
position may be used; however adequate air circulation
must be maintained. For continuous operation, a horizontal
or inclined position (integrated stand) is preferable.
To disconnect from the mains, the low-heat device socket on the
back panel has to be unplugged.
The maximum operating altitude for the instrument is
2000 m. Specifications with tolerance data apply after a
warm up period of at least 30 minutes at a temperature of
23 °C (tolerance ±2 °C). Specifications without tolerance
data are average values.
The heat produced inside the R&S®HMC804x is guided to
the exterior via temperature-controlled fan. Each channel
has its own temperature sensor which checks the heat
generation in the instrument and controls the fan speed.
However, it is necessary to ensure that there is sufficient
space on both instrument sides for the heat exchange.
If the temperature inside the instrument still increases to
more than ~80 °C, a channel-specific overheat protec-
tion intervenes. Affected outputs will automatically be
switched off.
1.7 Maintenance
The display may only be cleaned with water or an appro-
priate glass cleaner (not with alcohol or other cleaning
agents). Follow this step by rubbing the display down with
a dry, clean and lint-free cloth. Do not allow cleaning fluid
to enter the instrument. The use of other cleaning agents
may damage the labeling or plastic and lacquered sur-
faces.
1.8 Warranty and Repair
ROHDE & SCHWARZ instruments are subject to strict
quality controls. Prior to leaving the manufacturing site,
each instrument undergoes 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 test-
ing 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 complaints, please contact your supplier.
Do not obstruct the ventilation holes!
Clean the outer case of the measuring instrument at regular
intervals, using a soft, lint-free dust cloth.
Before cleaning the measuring instrument, please make sure that
it has been switched off and disconnected from all power sup-
plies (e.g. AC supply network or battery).
No parts of the instruments may be cleaned with chemical clean-
ing agents (such as alcohol, acetone or cellulose thinner)!
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.
When one or more R&S®HMC804x instruments are instal-
led in a 19“ rack, it is important to ensure that sufficient
space is available for adequate cooling (see figure below).
Required minimum distance: 1 RU
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Allice Messtechnik GmbH
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