4
Manual XC250
EN
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.
• Never use the device for measurements at live parts.
• Protect the infrared sensor from dirt.
• Ensure that all connection cables are protected from
damages (e.g. from kinks or crushing).
• Protect the device from permanent direct sunlight.
• Observe the storage and operating conditions (see chapter
Intended use
Only use the infrared thermohygrometer XC250 for indoor
measurements of temperature and humidity. Here, read and
observe the technical data.
To use the device for its intended use, only connect and use
accessories and spare parts which have been approved by
Lufft
®
.
Improper use
Do not use the device in potentially explosive atmospheres, or for
measurements in liquids. Never point the device at people or
animals. Lufft
®
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:
• have read and understood the operating manual, especially
the Safety chapter.
For maintenance or repair work which requires the housing
to be opened, contact Lufft
®
customer service. Devices
which have been opened unlawfully are void of any warranty
and warranty claims.
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!
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.
Safety