Safety Instructions; Designated Use; Basic Instructions For Use And Storage; Hazardous Area - Endress+Hauser FQG61 Technical Information & Operating Instructions

Radiation Source Container FQG61/FQG62

Designated use

Basic Instructions for use and
storage
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Hazardous area

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Endress+Hauser

Safety Instructions

The FQG61 and FQG62 source containers described in this document contain the radioactive source, which
is used for radiometric measurement of level, interface and density. It screens the radiation towards the
surrounding and allows it to be emitted almost unattenuated only in the direction of the measurement.
In order to guarantee the screening effect and to exclude damage of the radiation source, all instructions given
in this Technical Information for mounting and operating as well as all regulations for radioactive protection
are to be followed exactly.
Endress+Hauser accepts no responsibility for any damage caused by incorrect use.
• Observe the applying rules and national regulations.
• Observe the radiation protection regulations in use, storage and for work on the radiometric measuring
system.
• Observe warning signs and safety areas.
• Install and operate the device according to this manual and the relevant conditions as specified by the
regulatory authority.
• The device shall not be operated or stored outside the designated parameters.
• Protect the device against extreme influences (i.e. chemical products, weather, mechanical impacts,
vibrations) when operated or stored.
• Always safe the OFF position of the source insert using the padlock.
• Before switching ON the radiation beam it is necessary to ensure that no personnel are within the area of
the radiation (or, indeed, inside the vessel). The radiation beam may only be switched ON by specially
trained personnel.
• Do not operate or store damaged or corroded devices. Contact the responsible radiation safety officer for
appropriate instructions and measures when damage or corrosion occurs.
• Conduct the required leak testing procedure according to the applying regulations and instructions.
Warning!
If the instrument is exposed to strong vibrations or mechanical impacts, the safety pin can become abraded.
This may lead to a loss of the source insert. Stability and tightness of the source insert must be checked in
regular intervals.
Caution!
In case of doubt about proper condition of the device check the area around the device for leakage radiation
and/or contact immediately the responsible radiation safety officer.
General Instructions
Caution!
The suitability of the radiometric measurment method and of the device for applications in hazardous areas has
to be checked by the operator of the plant according to national regulations.
The following has to be observed:
• Avoid electrostatic charging at the device. Do not rub dry.
• The device must be integrated in the potential equalization of the plant. In order to ensure electrical contact
between the radiation source container and the mounting support, the supplied toothed lock washers have
to be inserted (→ ä 20).
Additional instructions for pneumatically operated radiation source containers
Caution!
For applications in hazardous area of the category ATEX II 2 G the associated Safety Instructions (XA) have to
be observed.
The pneumatic actuator may not be operated in locations where the ambient conditions may lead to corrosion
in or at the pneumatic actuator.
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