Safety
instructions
2.7 Hazard to the device due to purge air failure
CAUTION
The purpose of the purge air is to protect the subassembly mounted on the
dust duct. It shields the components from hot and/or aggressive gases. The
purge air supply must therefore be ensured even when the system is
stationary; if it fails, the transmitter/receiver unit can quickly be destroyed.
The operating company must therefore ensure that:
the purge air supply operates reliably and without interruption,
any failure is detected immediately,
in the event of a purge air failure the transmitter/receiver unit is removed
from the duct and the duct opening covered.
2.8 Use for the intended purpose
The DURAG D
−
R 800 described in this manual is an innovative measuring
device which uses laser technology for monitoring dust emissions, for instance
in power stations, cement works and smelting plants, in the wood and
chemical industry, waste incineration and dust filtering systems. For this also
see section 4.11 Application areas from page 36.
It is used for the measurement and monitoring of small to medium emissions
as required by European regulations. Its use is independent of the speed of
the dust particles to be measured, and of any charge they may be carrying.
Parameters mentioned in the technical data on page 131 ff. must be observed
and complied with.
The D
−
R 800 has been developed, manufactured, inspected and documented
in compliance with the applicable safety standards. If the handling and safety
instructions described for project planning, assembly, proper operation and
maintenance are complied with, no dangers normally arise from the device in
respect of damage to property or the health of people.
This device has been designed to ensure rigid segregation between primary
and secondary circuits. Low voltages that are connected must also be
generated with safe separation.
Faultless and safe operation of this device also requires appropriate transport,
correct storage, installation and assembly as well as careful operation and
maintenance by qualified personnel.
2.9 Qualified personnel
The operating company's personnel who are responsible for safety must
ensure that work on DURAG devices or systems is only carried out by
qualified skilled personnel, whose competence has been checked by
responsible experts.
In the event of unqualified work on the device or failure to comply with the
warnings provided in this manual or affixed to the device, physical injuries
and/or damage to property can occur.
D
−
R 800
21
Содержание D-R 800
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