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0.6mm). Due to the dense filling with the inert material, the volume that can be filled by a gas
in the measuring device is reduced and segmented to such an extent that no explosive zone is
created in the measuring device even if there is a leak in the measuring gas path.
• Explosive gases: Our gas detectors are designed in such a way that gases introduced up to
temperature class T3 will not ignite if operated properly; the maximum surface temperature is be-
low 200 °C. Users of our gas detectors must always carry out an individual risk assessment before
such use, from which the necessary protective measures are to be derived and implemented. The
use of flame arresters as part of the individual concept for handling ignitable mixtures is strongly
recommended. If desired, we will be pleased to submit an individual offer to you if you require
flame arresters. Please use only devices with the glass bead filling option described above even
with this hazard.
• Check the function and tightness of our gas detectors, the connections and piping and the protec-
tive devices after installation and then at regular intervals during operation, especially in the event
of severe stresses, such as shocks, vibrations, and corrosive attacks from inside or outside. If you
detect or suspect a malfunction in one of our gas detectors or the protective device, immediately
disconnect the affected gas detector from the power supply and stop the gas supply immediately.
• The housing of the FTC320 must never be opened, in particular in case of devices filled with
glass beads. After opening, the necessary filling density is no longer given. The guarantee
becomes void if you open the housing of the FTC320.
• The device and cables must be effectively protected from damage and from UV light (protective
roof when installed outdoors).
• The gas path inside the device is free of oil and grease and suitable for applications with pure
oxygen ("Cleaned for Oxygen"). For such applications, contamination, such as that caused by
the introduction of not oil-free compressed air, must be avoided.
• The cables must be connected voltage-free. Do not disconnect while energized!
• Permissible ambient temperature (when used as intended): -5 to +50 °C.
• A fixed wall mounting must be provided. The device is only to be mounted in areas with low
mechanical hazards, such as analysis rooms, in other words, rooms in which no heavy work is
performed.In areas with high mechanical hazards, such as workshops, transport routes, produc-
tion facilities for heavy equipment or construction sites, etc., additional protection against external
damage is necessary, e.g., by means of a protective cabinet.
• The device may only be used in an area with pollution degree 1 (according to DIN 60664-1).
• Avoid accumulation of dust on the device! Regular inspection of the housing and cables with
regard to mechanical damage is mandatory. In atmospheres that strongly attack plastics, the
front foil must also be checked for cracks and discoloration, especially in the area of the buttons.
If damage occurs, the device must be taken out of operation and the manufacturer must be
contacted.
Note: Please keep this manual for future use.
File name:
FTC320Ex Operating Manual_1.09KD201009MPO3V04.pdf
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