Tiêu chuẩn quốc tế

Số hiệu

Standard Number

BS EN ISO 4064-2-TC:2020
Năm ban hành 2020

Publication date

Tình trạng A - Còn hiệu lực

Status

Tên tiếng Anh

Title in English

Tracked Changes (Redline) - Water meters for cold potable water and hot water Part 2: Test methods
Chỉ số phân loại Quốc tế (ICS)

By field

91.140.60 - Hệ thống cung cấp nước
Số trang

Page

231
Giá:

Price

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Scope of standard

This part of ISO 4064|OIML R 49 is applicable to the type evaluation and initial verification testing of water meters for cold potable water and hot water as defined in ISO 4064-1:2014|OIML R 49-1:2013. OIML Certificates of Conformity can be issued for water meters under the scope of the OIML Certificate System, provided that this part of ISO 4064|OIML R 49, ISO 4064-1:2014|OIML R 49-1:2013 and ISO 4064-3:2014|OIML R 49-3:2013 are used in accordance with the rules of the System.

This part of ISO 4064|OIML R 49 sets out details of the test programme, principles, equipment and procedures to be used for the type evaluation, and initial verification of a meter type.

The provisions of this part of ISO 4064|OIML R 49 also apply to ancillary devices, if required by national regulations.

The provisions include requirements for testing the complete water meter and for testing the measurement transducer (including the flow or volume sensor) and the calculator (including the indicating device) of a water meter as separate units.