AdEM®-PTZ
ROMET LTD. 79
METER SELECTION AND APPLICATION
ROMET offers a variety of measuring instruments to meet the diverse requirements posed by the natural gas
industry. The following guidelines are offered to assist in the selection of a suitable mechanical or electronic
measuring device for a specific gas application.
MECHANICAL METER TYPES
STANDARD COUNTER (STD CTR)
STD CTR meters are intended for use where compensation to standard base condition is not required. STD CTR
meters do not have any gas compensating features. When stable gas temperatures and pressures are significantly
higher or lower than standard base condition, predetermined temperature and/or pressure factors can be
independently applied to correct the STD CTR index readings to a base condition. Alternatively, it can be paired with
a standalone electronic volume corrector.
STANDARD INSTRUMENT DRIVE (STD ID) AND DIGITAL COUNTER INSTRUMENT DRIVE (DCID)
When temperature, pressure or supercompressibility factors are a matter for concern, STD ID and DCID meters
permit the mounting of a variety of gas recording or correcting instruments to handle the require factor(s) needed
for further processing. The STD ID and DCID are similar in design and function, however, the DCID meter has a built
in non-compensated mechanical index counter.
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