IoT Ultrasonic Water Meter STRU

High-Precision Smart Metering for Residential, Commercial, and Industrial Applications

Application
This IoT ultrasonic water meter is designed for highly accurate, long-term stable flow measurement in residential, commercial, and light industrial environments.
It leverages advanced ultrasonic sensing technology for non-mechanical, wear-free operation, and supports seamless remote monitoring and control via LoRaWAN®, NB-IoT, LTE Cat.1, Sigfox®, or Bluetooth®.

With its compact structure, flexible communication options, and robust design, it is an ideal solution for modern smart metering projects worldwide.

FEATURES

  • Ultrasonic Sensing Technology
    No moving parts, ensuring outstanding accuracy, durability, and maintenance-free operation.

  • IoT Connectivity
    Integrated communication modules supporting LoRaWAN®, NB-IoT, LTE Cat.1, Sigfox®, and Bluetooth® for remote reading and control.

  • High Measurement Accuracy
    Stable and precise flow measurement across a wide dynamic range, from low to peak flow rates.

  • LCD Display
    LCD screen for real-time monitoring of consumption, flow rate, alarms, and communication status.

  • Extended Battery Life
    Ultra-low power design supporting reliable operation for 6–10 years.

  • Fully Sealed IP68 Housing
    Designed for underground, outdoor, and challenging environmental conditions.

  • Leak Detection and Alarm Functions
    Continuous monitoring with automatic alerts for leaks, bursts, reverse flow, and tampering attempts.

  • Flexible Installation
    Suitable for horizontal and vertical mounting positions.


Technical Specifications

  • Meter Type: Ultrasonic Smart Water Meter

  • Communication Options: LoRaWAN®, NB-IoT, LTE Cat.1, Sigfox®, Bluetooth®

  • Measuring Principle: Transit-time ultrasonic technology

  • Flow Measurement Range: Wide dynamic range with high sensitivity

  • Operating Pressure: MAP16 (up to 16 bar)

  • Temperature Class:

    • Cold Water: T30

    • Hot Water: T50 or T70 (optional)

  • Protection Class: IP68

  • Display: LCD (displays volume, flow rate, alarms, battery status, communication status)

  • Battery Life: 6–10 years

  • Certifications: ISO 4064, MID, CE

  • Installation Position: Horizontal or Vertical


Highlights Summary

  • High-precision ultrasonic technology, no mechanical wear, long service life

  • Flexible IoT communication for integration with smart metering systems

  • IP68-rated rugged housing for demanding field installations

  • Certified for global projects, ensuring quality, durability, and compliance

METROLOGICAL DATA

Nominal diameter DN      mm      15       20      25      32     40      50     
Length* L mm 165 195 225 225 225 260
Nominal flow rate Q3 m³/h  2.5   4 6.3 10 16 25
R standard* Q3/Q R 400 400 400 400 400 400
Minimum flow rate* Q1 l/h 6 10 15 25 40 63
Transition flow rate* Q2 l/h 10 16 25 40 63 100
Maximum flow rate Q4 m³/h 3.1 5 7.9 12.5 20 31