The H2-SSM smart meter by Pietro Fiorentini incorporates the latest ultrasonic measurement technology to measure both natural gases and 100% hydrogen, switching between gases without any additional interaction.

Built with a valve inside the meter which can act as Excess Flow Valve to enhance customers and network safety. This device is used for residential applications on low pressure gas distribution networks.


  • Body: metal
  • Electronic enclosure: plastic polycarbonate
  • Precision class: 1.5
  • Working temperature: from -25 °C to +55 °C
  • Connections: 1’’ BS 746
  • Measurement range: from 0.04 m3/h to 6 m3/h for natural gas, from 0.13 m3/h to 20 m3/h for hydrogen
  • Remote communication interfaces: Zigbee 2.4 GHz and 868 MHz
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