640 Water Meter

Overview Solutions Documentation & Tools


The 640 is a MID approved volumetric water meter with integrated e-Register in a brass body. 640 offers you the accuracy of the 620 Series piston meter—plus the ability to monitor and analyze your network with comprehensive data—thanks to its built-in electronic register with data logger and radio.

Benefits to you

  • Registers the lowest flow rates, thanks to its unique piston measuring chamber
  • Communicates data via its integrated radio functionality (electronic register)
  • Meets current and anticipated regulations for potable water
  • Operates quietly
Product Features
  • Integrated radio functionality available in different frequencies
  • Unrivaled accuracy
  • Extensive measuring range
  • Recyclable and easy to handle



  • Available in DN 15, 20, 25, 32 and 40
  • Compliant with:
    • Approval 2004/22/EC
    • EN 14154:2007
    • OIML R49:2006
    • ISO 4064:2014
  • R315 (DN15 and 20 up to R400)
  • MAP 16
  • T 50

For more information about this product, please download the data sheet.

Documentation & Tools

Documentation & Tools