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Safety
Read this manual carefully before starting or using the device. Always
store the manual in the immediate vicinity of the device or its site of use.
Warning
Read all safety warnings and all instructions.
Failure to follow the warnings and instructions may result in electric
shock, fire and/or serious injury.
Save all warnings and instructions for future reference.
•
Do not use the device in potentially explosive rooms or areas and do not
install it there.
•
Do not use the device in aggressive atmosphere.
•
Do not immerse the device in water. Do not allow liquids to penetrate
into the device.
•
The device may only be used in dry surroundings and must not be used
in the rain or at a relative humidity exceeding the operating conditions.
•
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.
•
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 Technical data).
Intended use
The device is intended for measuring the size and number as well as the mass
concentration of particles in the air.
To use the device for its intended use, only use accessories and spare parts
which have been approved by Trotec.
Foreseeable misuse
The device may not be used for measurements in liquids.
The device may not be used in potentially explosive atmospheres, when wet or
very humid.
Any unauthorised changes, modifications or alterations to the device are
forbidden.
Personnel qualifications
People who use this device must:
•
have read and understood the operating manual, especially the Safety
chapter.
6
Safety signs and labels on the device
Note
Do not remove any safety signs, stickers or labels from the device.
Keep all safety signs, stickers and labels in legible condition.
The following safety signs and labels are attached to the device:
Warning sign
Meaning
The warning sign is located on the back of the device and
indicates that the device is equipped with a class 3R laser.
The power is less than 1.5-3 mW. The frequency range of the
laser is at 780 nm.
Do not look directly into the laser beam or the opening
from which the laser beam emerges!
Residual risks
Warning of electrical voltage
There is a risk of a short-circuit due to liquids penetrating the
housing!
Do not immerse the device and the accessories in water. Make
sure that no water or other liquids can enter the housing.
Warning of electrical voltage
Work on the electrical components must only be carried out by an
authorised specialist company!
Warning of explosive substances
Do not expose the battery to temperatures above 60°C! Do not let
the battery come into contact with water or fire! Avoid direct
sunlight and moisture. There is a risk of explosion!
Warning of laser radiation
Laser class 3R, P max.: < 1.5–3 mW, λ: 780 nm,
EN 60825-1:2014
Do not look directly into the laser beam or the opening from which
it emerges.
Never point the laser beam at people, animals or reflective
surfaces. Even brief eye contact can lead to eye damage.
Examining the laser output aperture by use of optical instruments
(e.g. magnifying glass, magnifiers and the like) entails the risk of
eye damage.
When working with a laser of class 3R, observe the national
regulations on wearing eye protection.
Warning
Risk of suffocation!
Do not leave the packaging lying around. Children may use it as a
dangerous toy.
Warning
The device is not a toy and does not belong in the hands of
children.
Warning
Dangers can occur at the device when it is used by untrained
people in an unprofessional or improper way! Observe the
personnel qualifications!
Partikelzähler BQ21
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