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d) Operation
• O peration in environments with a high amount of dust, flammable gases, vapours or solvents is not
permitted. There is a danger of fire and explosion!
• Before taking the lab mains unit into operation and during operation, ensure that your hands, shoes,
clothes, the floor and the product itself are dry.
• E nsure that there is sufficient ventilation during operation. Never cover up the lab mains unit.
• Never leave the product unattended while operating. Despite a considerable number of protective
circuits, it is impossible to exclude the possibility of malfunctions during operation.
• Do not wear any metal or conductive materials, such as jewellery (necklaces, bracelets, rings, etc.)
while you are working with the lab mains unit and a connected consumer. Short-circuit poses a danger
of burns and explosion, as well as danger of injury.
• If several lab mains units are switched in series, a voltage dangerous to the touch may result. In this
case, there is a danger to life from electric shock!
• Only operate the product in a moderate climate, never in a tropical climate. For more information on
acceptable environmental conditions, see the chapter "Technical data".
• Never operate the device immediately after it was taken from a cold room to a warm room. The result-
ing condensation may lead to malfunctions or damage! There also is a risk of potentially fatal electric
shock!
Let the product reach room temperature before taking it into operation again. This may take several
hours!
• A void operation in direct proximity of strong magnetic or electromagnetic fields, transmitter aerials or
HF generators. This can affect the control electronics.
• Disconnect the lab mains unit's mains plug from the mains socket during thunderstorms to prevent
damage from overvoltage.
• Ensure that the insulation of the lab mains unit, the safety sockets, connected cables and mains cable
are not damaged or destroyed.
• Avoid the use of non-insulated metallic cables between the lab mains unit and the consumer! Use only
connection cables of sufficient size with intact insulation.
• Do not use the lab mains unit as a charger.
• The lab mains unit is not designed for application to humans and animals.
• If it can be assumed that safe operation is no longer possible, the device must be turned off and
precautions are to be taken to ensure that it is not used unintentionally.
Switch off the lab mains unit and disconnect it from the mains voltage (pull the mains plug from the
mains socket). Do not use the product anymore after this, but take it to a specialized workshop or
dispose of it in an environmentally compatible manner.
It can be assumed that operation without danger is no longer possible if the lab mains unit has any
visible damage, the device no longer works, after extended storage under unsuitable conditions or after
difficult transport conditions.
• If the lab mains unit is not to be used for an extended period of time (e.g. storage), disconnect it from
the operating voltage, pull the mains plug of the mains cable from the mains socket.
Keep the entire product at a dry, clean site that is not accessible by children.
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