Power Measurement 7330 ION - 7330 ION Revenue Meters; 7330 ION-RM Models; Differences between Standard and RM Models

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This appendix provides an overview of the 7330 ION-RMxxxx Revenue Meters.
The fundamental functions of a revenue meter are to provide measurements that
are within industry-accepted limits for accuracy over a defined range of
operating conditions, and to provide adequate protection against unauthorized
alteration of these measured quantities. International and national standards
define industry-accepted accuracy limits. National and utility-based standards
regulate protection against unauthorized alteration of measured quantities.
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Two models of the 7330 ION-RM revenue meter are available; each model is
designated by the certification it holds.
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The RMSEAL option provides a factory installed anti-tamper mechanical seal on
the base unit. This option is only available with the 7330 ION-RMICAN model.
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The 7330 ION-RM differs from the standard (non-revenue) 7330 ION meter:
additional modules for revenue calculations and new energy output register
labels have been added to the 7330 ION-RM firmware.
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The revenue and non-revenue meters differ in how they label energy flow:
standard 7330 ION (non-revenue) meters use the terms “imported” and
“exported” energy, 7300 ION-RM (revenue) meters use the terms “delivered”
and “received” energy.
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