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1.6 Personnel
This manual is aimed at staff who have adequate specialist and technical
knowledge (in Germany, for instance, in accordance with DVGW Codes of
Practice 492 and 495 or comparable technical regulations) on the basis of
their training and experience in the sector of energy and gas distribution.
1.7 Intended use and field of application
Model series TRZ2 is designed for calibratable volumetric metering.
Model series Q is designed for non-calibratable volumetric metering.
All devices are suitable for metering the following media:
flammable gases: natural gas/town gas/propane/butane
non-flammable gases: air/nitrogen/inert gases
Other areas of application or media, see Annex C – List of gas types or
on request
This product is not intended for
metering aggressive gases, e.g. biogas or sewage gases, oxygen or
acetylene.
1.8 Legal declarations
The metrological conformity assessment is based on the regulations of
the country concerned, in which the measuring instrument will be used.
The period of validity of calibration is based on the regulations of the
country concerned, in which the measuring instrument will be used.
12
73018696g
© Elster GmbH | All rights reserved. Subject to modification
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