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Homepage>BS Standards>07 MATHEMATICS. NATURAL SCIENCES>07.060 Geology. Meteorology. Hydrology>21/30421164 DC BS EN 17694-2. Hydrometry. Performance requirements and test procedures for water monitoring equipment. Devices for the determination of flow Part 2. Closed conduit instrumentation
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21/30421164 DC BS EN 17694-2. Hydrometry. Performance requirements and test procedures for water monitoring equipment. Devices for the determination of flow Part 2. Closed conduit instrumentation

21/30421164 DC

BS EN 17694-2. Hydrometry. Performance requirements and test procedures for water monitoring equipment. Devices for the determination of flow Part 2. Closed conduit instrumentation

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Standard number:21/30421164 DC
Pages:48
Released:2021-09-23
Status:Draft for Comment
DESCRIPTION

21/30421164 DC


This standard 21/30421164 DC BS EN 17694-2. Hydrometry. Performance requirements and test procedures for water monitoring equipment. Devices for the determination of flow is classified in these ICS categories:
  • 07.060 Geology. Meteorology. Hydrology
  • 17.120.20 Flow in open channels
  • 17.120.10 Flow in closed conduits

This document specifies general requirements, minimum performance requirements and test procedures for instrumentation used to measure either volumetric flow-rate and/or total volume passed of water in closed conduits. It covers all closed conduit instrument (CCI) technologies intended to operate in closed pressurized pipes and partially filled pipes. Requirements are expressed in volumetric units which may be converted to mass using the fluid density.

It is recognized that for some CCIs certain tests cannot be carried out.

The data obtained from the testing of CCIs in accordance with the requirements of the Measuring Instruments Directive [1] or EN ISO 4064‑1 [2] can be used to meet, in part, the requirements specified in this document. However, for the avoidance of doubt, compliance with the requirements of this document does not equate to compliance with the requirements of the Measuring Instruments Directive or EN ISO 4064‑1 .