Safety
Carefully read the operating manual before using the device
and keep it within reach!
• Do not use the device in atmospheres containing oil, sulphur,
chlorine or salt.
• Protect the device from permanent direct sunlight.
• Do not remove any safety signs, stickers or labels from the
device. Keep all safety signs, stickers and labels in legible
condition.
• Do not open the device with a tool.
• Avoid looking directly into the laser beam.
• Never point the laser beam at people or animals.
• Only use the device, if sufficient safety precautions were
taken at the surveyed location (e.g. when performing
measurements along public roads, on building sites etc.).
Otherwise do not use the device.
• Observe the storage and operating conditions (see chapter
Technical data).
Intended use
Only use the device for measuring distances, areas and volumes
by means of the integrated laser and within the measuring range
specified in the technical data. Here, read and observe the
technical data.
To use the device for its intended use, only use accessories and
spare parts which have been approved by TROTEC
Improper use
Do not use the device in potentially explosive atmospheres, or for
measurements in liquids. Never point it at people or animals.
®
TROTEC
accepts no liability for damages resulting from
improper use. In such a case, entitlements to a warranty are
forfeited. Any unauthorised modifications, alterations or
structural changes to the device are forbidden.
Personnel qualifications
People who use this device must:
• be aware of the dangers that occur when working with laser
measuring devices.
• have read and understood the operating manual, especially
the Safety chapter.
EN
Residual risks
Risk from laser radiation!
Class 2 laser radiation.
Lasers of class 2 only radiate in the visible range and
during continuous wave operation (lasting beam) no more
than 1 milliwatt (mW) of output will be emitted. Looking
directly into the laser beam for a longer period of time
(more than 0.25 seconds) can cause damage to the
retina.
Avoid looking directly into the laser beam. Never look into
the laser beam using optical aides. Do not suppress the
winking reflex when looking into the laser beam
unintentionally. Never point the laser beam at people or
animals.
Danger!
Keep a sufficient distance away from sources of heat.
Danger!
Do not leave the packaging lying around. Children may
use it as a dangerous toy.
Danger!
The device is not a toy and does not belong in the hands
of children.
Danger!
Dangers can occur at the device when it is used by
®
.
untrained people in an unprofessional or improper way.
Observe the personnel qualifications.
Caution!
To prevent damages to the device, do not expose it to
extreme temperatures, extreme humidity or moisture.
Caution!
Do not use abrasive cleaners or solvents to clean the
device.
Operating manual – Laser distance measuring device BD20
4
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