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1.2 Safety instructions for use in explosion hazard areas Zone 2
Conformity with DIN EN 60079-15 "Explosive atmospheres - Part 15: Equipment protection by type of
protection "n" : 2011-02 and 2020-03" was proven with report no. 2.12BR190104AUG2V06 "Bericht
zur Eignung des Standardgehäuses der Messgeräte FTC3xx und FTC4xx für Zone 2, Schutzart „nR“,
schwadensicheres Betriebsmittel"
1
. If flammable gas is fed into the analyzer at overpressure, a leak in
the gas path could result in an ignitable mixture in the analyzer housing. To prevent the formation of an
explosive atmosphere in the device itself even in the event of a leakage, the housing is internally filled
with glass beads which, due to their filling density, leave only a small free volume of about 0.15l in the
housing. Moreover, due to the small size of the glass beads, this free volume is fragmented into such
small sub-volumes that a flame cannot spread. Therefore the device may only be opened by the
manufacturer.
1.3 Intended Use
• Messkonzept GmbH does not assume any liability in case of improper handling of the measuring
device. Improper handling can cause hazards due to malfunction of the measuring device.
• The FTC-series of gas analyzers offer high-precision measurement and detection of non-corrosive,
dust-, condensate-, aerosol and oil mist-free gases (unless the design of the equipment is explic-
itly declared to be suitable for this purpose). Please contact info@messkonzept.de for detailed
information and solutions.
• The specifications listed in the appendix of these operating instructions reflect the conditions
under which the products described here may be operated. Individual requirements resulting
from the customer’s measuring task are determined and recorded with the Measuring Task
Questionnaire (German: Messaufgabe 2.01.1FB180619MPL1V007, English: Measuring Task
2.01.1FB180619MPL1V007). Requirements that are not specified by the customer in the ques-
tionnaire are not taken into account in the mandatory evaluation of the measuring task by Messkonzept
GmbH. In the evaluation of the measurement task by Messkonzept GmbH, it is also recorded
whether the measurement task can be carried out with the proposed devices. In addition, re-
strictions can be demanded by Messkonzept GmbH, which must then be implemented by the
customer. These restrictions can include, for example, special conditioning of the measuring
sample by filter measures and measuring gas coolers or specifications of the pressure and flow
rate ranges.
• FTC-series gas analyzers do not have a metrology marking in the sense of EU directive 2014/32/EU.
They can, therefore, also not be used in medical or pharmaceutical laboratory analyses or in the
manufacture of pharmaceuticals in pharmacies based on a doctor’s prescription.
• The device must not be used in hazardous areas of explosion protection. Only FTC320 measuring
instruments marked EX II 3G Ex nR IIC T4 Gc are suitable for use in ATEX- Zone 2.
• Flammable gases: Depending on the design, the measuring device is also suitable for the intro-
duction of flammable gases. Whether this is the case can be found in the device log under the
item "Glass bead filling". Measuring instruments with glass bead filling are also suitable for the
introduction of combustible gases. The interior of the housing is tightly filled with glass balls (Ø
1
Report on the suitability of the standard housing of the FTC3xx and FTC4xx measuring instruments for Zone 2, protection
type "nR", steam-proof equipment
File name:
FTC320Ex Operating Manual_1.09KD201009MPO3V04.pdf
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