Ultrasonic Flowmeter

Ultrasonic Flowmeter

Our Ultrasonic Flow Meter is designed for accurate and reliable flow measurement of water and other liquids in full pipelines. Utilizing advanced transit-time ultrasonic technology and multi-path measurement, it delivers high accuracy, excellent stability, and long-term performance without moving parts, ensuring minimal maintenance and extended service life.

Widely used in municipal water supply, water treatment plants, industrial facilities, and utility projects, the meter supports flexible installation, multiple communication protocols, and intelligent data management. It is an ideal solution for modern water monitoring and flow measurement applications.

Engineered for municipal and industrial applications, the meter supports flexible installation, multiple communication interfaces, and smart data storage, making it ideal for modern water management systems.

Product Details

Key Features & Advantages

✔ No Moving Parts – Long-Term Reliability

Solid-state ultrasonic measurement with no mechanical wear. Performance is not affected by impurities in the medium.

✔ Multi-Path Technology

Improves measurement accuracy and reduces installation requirements.

✔ Flexible Installation

Supports horizontal, vertical, and inclined installation without affecting performance.

✔ Wide Communication & Output Options

  • RS485 / MODBUS

  • M-Bus

  • 4G / NB-IoT

  • Infrared / Bluetooth

  • 4–20mA output

  • OCT pulse output

Easy integration with SCADA, smart city, and IoT platforms.

✔ Clear Backlit LCD Display

Simultaneous display of instantaneous and cumulative flow.

Instantaneous Flow Units:
m³/h (switchable to kg/min, L/min, L/h, kg/h)

Total Flow Units:
m³ (switchable to L, kg)

✔ Low Power Design

Ultra-low operating current. Automatically enters energy-saving mode during empty pipe or long-term static conditions.

✔ Temperature Compensation

Ensures accurate metering under varying temperature conditions.

✔ IP67 / IP68 Protection

Fully sealed design suitable for underground chambers, humid environments, and harsh industrial sites.


Technical Specifications

Item Specification
Measurement Standard GB/T 35138-2017 (Transit-Time Ultrasonic Water Meter)
Verification Regulation JJG 1030-2007 (Ultrasonic Flow Meter)
Measured Medium Water, conductive liquids, full pipe
Environmental Class Class C
Operating Temperature -20°C ~ +55°C
Working Pressure 0 – 1.6 MPa
Accuracy Class 2.0 / 1.5 / 1.0 / 0.5
Power Supply DC24V or Lithium Battery 3.6V
Protection Rating IP67 or IP68
Connection Type Flange connection
Keypad Magnetic touch button
Communication RS485 / MODBUS / 4G / NB-IoT / Infrared / M-Bus / Bluetooth
Signal Output OCT Pulse / 4–20mA
Pressure Collection Optional
Temperature Collection Optional
Antenna Built-in or 3m external antenna optional
Data Storage EEPROM storage; cumulative flow & operation time; data retention up to 100 years after power loss; automatic monthly data storage (last 24 months)
Battery Life ≥ 6 years
Installation Horizontal / Vertical / Inclined
Display LCD with backlight

Alarm & Indication Functions

  • Empty pipe detection alarm (when sensor is exposed or pipe is not full)

  • Low battery voltage indication

  • Built-in error diagnostics


Typical Applications

  • Municipal water supply

  • Fire protection systems

  • District Metered Areas (DMA)

  • Landscape & irrigation networks

  • Agricultural irrigation

  • Wastewater treatment plants

  • Industrial process control

  • Petrochemical industry


Why Choose This Ultrasonic Flow Meter?

✔ High accuracy up to Class 0.5
✔ Smart communication & IoT ready
✔ Long battery life (≥6 years)
✔ IP68 underground installation capability
✔ 100-year data retention security
✔ Designed for smart water and industrial monitoring projects

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