AS 4747.5:2013

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Meters for non-urban water supply-Installation and commissioning of closed conduit meters fully charged

Published By	Publication Date	Number of Pages
AS	2013-02-21	29

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Categories: 13.060.20 - Drinking water, 17.060 - Measurement of volume, mass, density, viscosity, AS

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Description

Sets out requirements for the installations of meters complying with AS 4747.2 for use in non-urban closed conduits applications.

Scope

This Standard sets out requirements for the installation of meters complying with NMI M 10-1 and AS 4747.2 for use in non-urban, closed conduit applications.
Two types of meter installations are covered in this Standard, as follows:
(a) A ‘self-contained unit’—a meter that defines its own geometry, is able to be pattern-approved as a complete water meter, calibrated upon assembly and supplied by a single supplier.
(b) A ‘modular metering system’—a device or group of instruments (which may be supplied as a pattern-approved metering system) that does not define the installation geometry and requires configuration after installation.
NOTE: The requirements for these types of meters to demonstrate compliance with this Standard, and hence with the National Framework are set out in AS 4747.2.
This Standard applies to meters that are—
(i) self-contained or modular and capable of continuously determining, within the accuracy limits, the volume of water that has flowed through them; and
(ii) continuously updating the volume on a cumulative basis.
NOTE: In this Standard a meter installation is considered to include—
(a) the meter, its indicating device and all ancillary equipment; and
(b) the upstream and downstream pipe or emplacement that may have a material effect on the meter unit.
This Standard applies to meters that operate under the following conditions:
(A) Closed conduit under full flow.
(B) Pressure range minimum 0.03 MPa to a value specified by the manufacturer. As a minimum, insertion or clamp-on meters will have the same working pressure range as the pipes they are designed to operate in.
(C) Working water temperature range of 0.1°C to 30°C. The maximum admissible temperature is 50°C, which is the limiting condition for the meter.
(D) Ambient air temperature range of ?5°C to 55°C.
(E) Ambient humidity range of 0% to 100% except for the remote indicating devices where the range is 0% to 93%.

Additional information

Published Code	AS
Published By	Australia Standards
Publication Date	2013-02-21
Pages Count	29
Language	English
Edition	1
File Size	450.6 KB
ISBN	9781743423554
ICS Codes	13.060.20 - Drinking water 17.060 - Measurement of volume, mass, density, viscosity

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AS 4747.5:2013

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