EN ISO 4064 requirements for water meters
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2017 年 4 月 25 日
This module provides details about the EN ISO 4064-1 thru -6 standards and explains the most important parameters using popular types of residential water meters in EMEA. The definitions for Class 1 and 2 water meters are shown and presented.
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具有双频带射频和红外端口的单芯片智能水表
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