Safety Instructions
9
Operator Qualifications
• Testing with the CMC 353 should only be carried out by authorized and
qualified personnel.
• Personnel receiving training, instruction, direction, or education on the
CMC 353 should remain under the constant supervision of an
experienced operator while working with the equipment.
Safe Operation Procedures
• Follow the instructions in sections 3.2 and 3.4 that describe the safe use
of the connecting cables and how to set the CMC 353 into operation.
•The CMC 353 must only be used from a power outlet that has a
protective earth.
• Do not block the access to safety-relevant test set components like the
main power switch or the power cord. In cases of an emergency, these
components need free and quick access.
• Do not connect any of the front panel VOLTAGE/CURRENT OUTPUTS
1 ... 3 or VOLTAGE OUTPUT 4, respectively, to protective earth. The N
sockets, however, may be connected to protective earth.
• When connecting to the banana plug sockets, only use cables with
4 mm/0.16 " safety banana connectors and plastic housing. Always
insert plugs completely.
• Before connecting and disconnecting test objects, verify that all outputs
have been turned off. Never connect or disconnect a test object while the
outputs are active.
• When disconnecting power supply cables or test leads, always start from
the device feeding the power or signal.
• All sockets on the front panel are to be considered dangerous with
working voltages up to 300 V
rms
. Only use cables that meet these
respective requirements to connect to the equipment.
• Red Signal Light :
If the voltage on any of the four voltage outputs or on the "AUX DC"
output exceeds 42 V, the associated signal light lights up.
• Do not insert objects (e.g., screwdrivers, etc.) into the sockets or into the
ventilation slots.
• Do not operate the CMC 353 under wet or moist conditions
(condensation).
• Do not operate the CMC 353 when explosive gas or vapors are present.
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