IoT Woltmann Water Meter STBV

Remote Reading Bulk Water Meter with Woltmann Design for Smart Water Management

Application
The remote reading bulk water meter (STBV Woltmann-type) is designed for accurate flow measurement and smart monitoring in municipal water networks, industrial zones, and large commercial facilities. Combining mechanical and digital technologies, this smart meter enables high-precision on-site reading and reliable remote data transmission.

With integrated communication modules such as LoRaWAN®, NB-IoT, LTE Cat.1, Sigfox®, or Bluetooth®, it supports real-time meter reading and automatic data logging — making it the ideal choice for utilities seeking scalable and intelligent water management solutions.

Key Features

  • Dual Display System
    Mechanical roller counter combined with an electronic LCD screen, providing redundancy and real-time smart data.

  • Robust Woltmann Design
    Helical turbine ensures low pressure loss and stable accuracy over a wide flow range.

  • IoT Connectivity
    Integrated communication modules support LoRaWAN®, NB-IoT, LTE Cat.1, Sigfox®, and Bluetooth® for AMI/AMR systems.

  • Extended Battery Life
    Optimized low-power design ensures 6–10 years of autonomous battery operation.

  • IP68 Protection
    Fully sealed structure, suitable for flooded, buried, or outdoor installations.

  • Smart Alerts and Data Logging
    Continuous monitoring of flow, backflow detection, leak alarms, and consumption profiling.

  • Flexible Installation
    Supports horizontal and vertical mounting without performance loss.


Technical Specifications

  • Meter Type: Woltmann Bulk Water Meter with Smart Communication

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

  • Flow Measurement: High capacity, low pressure drop

  • Operating Pressure: MAP16 (up to 16 bar)

  • Temperature Class:

    • Cold Water: T30 (up to 30°C)

    • Hot Water: T50 / T70 / T90 options (depending on model)

  • Protection Class: IP68

  • Display:

    • Mechanical Register (Counter)

    • LCD Display (shows volume, alarms, battery status, communication status)

  • Battery Life: 6–10 years

  • Certifications: ISO 4064, MID, CE

  • Valve Control: (Optional) Motorized valve for remote shut-off

METROLOGICAL DATA

Nominal diameterDN     mm     50     65     80    100    125    150     
Length*Lmm200200 225250250300
Nominal flow rateQ3m³/h 40  63100160250400
R standard*Q3/QR160160160160160160
Minimum flow rate*Q1m³/h0.40.40.6311.562.5
Transition flow rate*Q2m³/h0.630.6311.62.54
Maximum flow rateQ4m³/h78.878.8125200312.5500
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