• The device must not be opened. Opening any covers on the product or removing
parts – unless this is possible by hand – may expose voltage-carrying compo-
nents. Capacitors inside the device may still be charged, even if the device has
been disconnected from all voltage sources.
• Observe the safety and operating instructions of any other devices you intend to
connect to the device, in addition to those contained in the individual chapters of
these operating instructions.
• The measurement device and its accessories are not toys and must be kept out
of the reach of children.
• For installations in industrial facilities, follow the accident prevention regulations
for electrical systems and equipment issued by the national safety organisation or
the corresponding national authority.
• In schools, educational facilities, hobby and DIY workshops, measuring devices
must be operated under the responsible supervision of qualified personnel.
• Never switch the device on immediately after moving it from a cold to a warm
environment. The condensation generated may destroy the product. Leave the
device switched off and allow it to reach room temperature.
• Handle the product carefully. The product can be damaged if crushed, struck or
dropped, even from a low height.
• Do not leave packaging material lying around carelessly. It may become a danger-
ous toy for children.
• Protect the product from extreme temperatures, direct sunlight, strong jolts, high
humidity, moisture, flammable gases, vapours and solvents.
• Never pour out liquids above electrical appliances and never leave objects filled
with liquids (e.g. glasses) in the vicinity.
• If it is no longer possible to operate the product safely, stop using it and prevent
unauthorised use. Safe operation can no longer be guaranteed if the product:
- is visibly damaged,
- is no longer working properly,
- has been stored for extended periods in poor ambient conditions or
- has been subjected to any serious transport-related stress.
• Always observe the safety information in the individual chapters or in the operating
instructions for the devices to be calibrated.
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