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Micro Motion thermo-well pocket dimensionsFigure 1-4:
6.00
(152.30)
Ø3.94
(100.00)
1.59
(40.30)
2.83
(72.00)
Dimensions in
inches
(mm)
1.6 Recommended installations for gas density
applications
Micro Motion recommends specific installations for the GDM depending on the gas
density application – as defined by international standards, ISO 5167 and AGA 3. This
information is provided for your reference only.
1.6.1 Installation in an orifice plate metering system
The orifice plate metering system is a widely used method for accurate flow measurement
of natural gas. The orifice meter is a differential pressure device in which the orifice plate
causes a pressure drop between the upstream and downstream sides. The flow rate is
determined from the dimensions of the system (as defined by international standards ISO
5167 and AGA 3), and from measurements of differential pressure and fluid density.
Planning
6 Micro Motion
®
Gas Density Meters