International Specifications Measurement of water flow in closed conduits - Meters for cold potable water ISO 4064-Part I : Specifications (PDF File) ISO 4064-Part II : Installation Requirements (PDF File) ISO 4064-Part 3 : Test methods and equipment (PDF File)
Testing Procedure at the time of delivery (as per IS: 779/1994)
Comparison chart between Indian Specifications and International Specifications Performance chart Testing Methods
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