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IS 2373:1981

Flow meters used as water meters (bulk and domestic types)

BIS QCO · ISI MARK · 5 LINES · MEASURING INSTRUMENTS QUALITY CONTROL ORDER, NOTIFIED VIDE S.O. 1142(E)

IS 2373 specifies the requirements for water meters and liquid-flow meters of the cold-water domestic and bulk-supply type. The standard prescribes accuracy class, pressure-loss limits, endurance-test parameters and registration mechanism for inferential and positive-displacement meters.

At a glance

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Chapter 90

Primary HSN chapter

ISI

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Measuring Instruments Quality Control Order, notified vide S.O. 1142(E)

Governing Quality Control Order

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Heading 9026

9026 10 10Flow meters used as water meters (bulk and domestic types)9026 10 90Liquid flow and level meters (water meters, bulk and domestic types)9026 90 00Parts and accessories of water meters and liquid-flow instruments

Heading 9028

9028 20 00Liquid meters for water and flow measurement (water meters, bulk meters)9028 90 90Parts and accessories of water meters (bulk and domestic type)

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Last verified against gazette notifications: 2026-05-16. Source: BIS / Indian Customs CUSDATA.