User manual

4 GMC-I Messtechnik GmbH
Receiving Inspection
Immediately upon receipt, unpack the KONSTANTER and all included
accessories, and inspect for completeness and possible damage.
Unpacking
☞ Other than the usual degree of care required for the handling of
electronic devices, no special care must be exercised when
unpacking the instrument.
☞ The KONSTANTER is shipped in recyclable packaging which
provides for adequate protection during transport. If the
instrument needs to be repacked, the original packaging, or
equivalent packaging, must be used.
Visual Inspection
☞ Compare the order number or type designation found on the
packaging and/or the serial plate with the specifications
printed in the shipping documents.
☞ Make sure that all accessory components have been included
(→ 1.3 Options and Accessories).
☞ Inspect the packaging as well as instrument mechanisms for
possible transport damage.
Complaints
If damage is detected, file a damages report immediately with the
freight forwarder (save the packaging!). In the event of any other
defects or if service is required, please contact your service repre-
sentative, or contact us directly at the address included in the last
page of these instructions.
Warnings and Safety Precautions
The KONSTANTER has been manufactured and tested in accor-
dance with the safety regulations specified in the technical data
section included in this chapter as a safety class I device. It has left
the factory in flawless technical safety conditions. In order to main-
tain this condition, and to assure safe use, the user must observe
all notes and warnings included in these operating instructions.
These are identified with the following headings:
CAUTION!
Operating instructions or practical information etc., which must be
observed in order to prevent damage to the KONSTANTER, and to assure
correct operation.
WARNING!
Operating instructions or practical information etc., which must be
observed in order to maintain the safety features included with the
KONSTANTER, and to prevent personal injury.
The most important warnings are summarized below. Reference is made
to these warning at all appropriate points throughout the operating
instructions.
Important Warnings
WARNING I – Protective Ground
The
KONSTANTER may only be operated with a connected protec-
tive conductor. Any interruption of the protective conductor, either
inside or outside of the KONSTANTER or disconnection of the pro-
tective conductor terminal, may render the KONSTANTER hazardous.
Intentional interruption is prohibited.
Mains connection is accomplished with a 3-conductor cable with
mains plug. The plug may only be inserted into a suitable mains
outlet with an earthing contact. The resulting protection must not
be rendered ineffective through the use of an extension cable
without protective conductor.
WARNING II – Impaired Safety Protection
If it may be assumed that safe operation is no longer possible, the
KONSTANTER must be removed from service and secured against
unintentional use. It must be assumed that safe operation is no
longer possible if:
• The
KONSTANTER demonstrates visible damage
• The
KONSTANTER no longer functions
• After lengthy periods of storage if specified storage conditions
have not been observed
• After excessive stress due to transport
WARNING III – Opening Housing Covers
Voltage conducting part may be exposed when housing covers
are opened, as long as the KONSTANTER is connected.
Touching these exposed voltage conducting parts is extremely life
endangering.
Housing covers may thus only be opened or removed by qualified
personnel who are familiar with the dangers involved.
WARNING IV – Repairs Performed by Qualified Personnel Only
Voltage conducting part may be exposed when housing covers
are opened, as long as the
KONSTANTER is connected.
Maintenance and repairs, as well as internal instrument balancing,
may only be performed by qualified personnel who are familiar with
the dangers involved.
In as far as possible, the KONSTANTER must be disconnected from
all external voltage sources before such work is performed. A 5
minute waiting period must be observed after disconnection, in
order to allow internal capacitors to discharge to safe voltage
levels.
WARNING V – Replacing Fuses
When replacing blown fuses, use only specified fuse types with the
specified current ratings (see technical data or serial plate).
Tampering with the fuses or fuse holders (“mending” fuses, short-
circuiting fuse holders etc.) is prohibited.