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1.2 General Cautions and Warnings
Intended application
Safe operation is only realised when using the equipment for its intended purpose
(see chapter 2.3 Functional Description). Using the equipment for other purposes may
lead to human danger and damage of equipment of involved installations.
The limits described under technical data may not be exceeded. Operating products
of Megger in condensing environment may lead to flash-over, danger and damage.
The instruments should only be operated under tempered conditions. It is not allowed
to operate Megger products at direct contact with humidity, water or near aggressive
chemicals nor explosive gases and fumes.
Behaviour at malfunction
of normal operation
The equipment may only be used when working properly. When irregularities or
malfunctions appear that cannot be solved consulting this manual, the equipment
must immediately be put out of operation and marked as not functional. In this case
inform the person in charge who should inform the Megger service to resolve the
problem. The instrument may only be operated when the malfunction is resolved.
Fife safety rules
The five safety rules must always be followed when working with HV (High Voltage):
1. De-energise
2. Protect against re-energising
3. Confirm absence of voltage
4. Ground and short-circuit
5. Cover up or bar-off neighbouring energised parts
Using cardiac pacemaker
Physical processes during operation of high voltage may endanger persons wearing a
cardiac pacemaker when near these high voltage facilities.
Fire fighting in electrical installations
• Recommended extinguishing agent: carbon dioxide (CO2)
• Carbon dioxide is electrically non conductive and does not leave residue. It is safe
to use in energized facilities as long as the minimum distances are observed.
• It is essential to observe the safety instruction on the extinguishing agent.
• Applicable is DIN VDE 0132.
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