The „hand" symbol is used to indicate where specific hints and information on handling
are given.
Only to be used in dry indoor areas.
This device is conforms to CE and meet the necessary European regulations.
Earth potential
Earth wire connection; this screw may not be slackened
• Electrical appliances and accessories are not toys and have no place in the hands of children.
• On industrial sites the accident prevention regulations of the association of the industrial workers' soci-
ety for electrical equipment and utilities must be followed.
• In schools and training centres as well as at hobby and DIY workshops, the use of power packs must
be supervised by adequately trained personnel in a responsible manner.
• Please make sure that your hands, your shoes, your clothing, the floor and the power supply unit are dry.
• Live components may be exposed if covers are opened or parts are removed (unless this can be
done manually).
• Before opening it, disconnect the device from all voltage sources.
• Capacitors in the device may still be charged, even if the device has been disconnected from all volt-
age sources.
• Do not switch the laboratory power pack unit on immediately after it has been taken from a cold to a
warm environment. Condensation water that forms might destroy your device. Allow the device to
reach room temperature before switching it on.
• The mains adapter will heat up during operation; Ensure appropriate ventilation. Do not cover the
ventilation apertures of the device!
• Do not leave mains power supplies and the connected consumers in operation unattended.
• When working with power supplies wearing metallic or conductive jewellery, such as necklaces,
bracelets, rings etc., is prohibited.
• The power supply unit is not designed for application to human beings or animals.
• If you have reason to assume that safe operation is no longer possible, disconnect the device imme-
diately and secure it against inadvertent operation. It can be assumed that safe operation is no longer
possible if:
- the device is visibly damaged,
- the device no longer works and
- the unit was stored under unfavourable conditions for a long period of time or
- if it has been subjected to considerable stress in transit.
• You should also heed the additional safety instructions in each chapter of these operating instruc-
tions as well as in the operating instructions of the connected devices.
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