Tiêu chuẩn quốc tế

• Số hiệu / Standard Number: BS EN ISO 4064-1-TC:2020
• Năm ban hành / Publication date: 2020
• Tình trạng / Status: A - Còn hiệu lực
• Tên tiếng Anh / Title in English: Tracked Changes (Redline) - Water meters for cold potable water and hot water Part 1: Metrological and technical requirements
• Chỉ số phân loại Quốc tế (ICS) / By field: 91.140.60 - Hệ thống cung cấp nước
• Số trang / Page: 105

Phạm vi áp dụng / Scope of standard

This part of ISO 4064|OIML R 49 specifies the metrological and technical requirements for water meters for cold potable water and hot water flowing through a fully charged, closed conduit. These water meters incorporate devices which indicate the integrated volume.

In addition to water meters based on mechanical principles, this part of ISO 4064|OIML R 49 applies to devices based on electrical or electronic principles, and mechanical principles incorporating electronic devices, used to measure the volume of cold potable water and hot water.

This part of ISO 4064|OIML R 49 also applies to electronic ancillary devices. Ancillary devices are optional. However, it is possible for national or regional regulations to render some ancillary devices mandatory in relation to the utilization of water meters.

NOTE Any national regulations apply in the country of use.