Remotely readable DN20/130 water meter for national IoT networks using the HYDRONET transmitter. Can be read from the HYDRONET service for water utilities or from a third-party server, for example. Single-jet dry dial with roll counter, available for cold and hot water.

Water meter types:

  • Single-jet
  • Cold water 0–30 °C
  • Hot water 30–90 °C
  • Sizes DN15, DN20

Measurement accuracy: MID R100-H/R50-V (2004/22/CE)

Battery life: Over 10 years (depending on the transmission interval)

Operating environment:

  • Operating temperature 0–65 °C
  • Humidity 0–100%


  • Leak
  • Flow greater than maximum for at least 10 min
  • Magnetic jamming attempt
  • Disconnecting the module
  • Battery

Certified mounting positions

Certified mounting positions

GSD-LRInchModelLenght L (mm)Permanent flow rate Q3Product code
DN151/2cold water1102,5 m³
DN151/2warm water1102,5 m³
DN203/4cold water1304 m³GSD-LR-20KV
DN203/4warm water1304 m³