Low-power long-range (LPWAN) solutions for IoT and M2M
Low-power long-range (LPWAN) solutions for IoT and M2M

Smart heat meter WAVIoT Karat

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    “WAVIoT Karat” is a housekeeping ultrasonic heat meter with built-in radio modem designed to meter the consumption of heat energy, volume and temperature of the coolant in closed water heat supply systems, and transfer of readings to the user’s appliance.


Heat meter with built-in radio module is  for remote housekeeping heat metering

Key Features

  • Long-range transmission: 10+ km in urban, 30+ km in rural area
  • Battery life over 10 years
  • Extremely cost effective
  • Simple to install
  • The device is designed and manufactured in Russia. Support and development is carried out by Russian specialists of WAVIoT



Weight 750 g
Dimensions 25 x 18 x 13 mm

110х90х125 / 130х90х120

Power transmission

< 25 mW



Data rate

10-100 bps via WAVIoT

Nominal size, mm

15 / 20

Operating temperature

+5 … +50 °C

Maximum operating pressure

1,6 MPa

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