As global water resources become increasingly strained and the digital transformation of water management accelerates, the market demand for high-accuracy, multi-function, low-maintenance flow measurement devices continues to grow. Responding to this market evolution, AUDIOWELL will bring its next-generation ultrasonic flow meter to ASIA WATER 2026, offering global customers a comprehensive flow management solution that integrates precise measurement, multi parameter expandability, and intelligent early warning.
ASIA WATER 2026 is the leading water and wastewater industry platform in Asia. The exhibition will be held from April 7 to 9, 2026, at the Kuala Lumpur Convention Centre (KLCC) in Malaysia, and is expected to attract over 20,000 industry professionals from 52 countries and more than 1,000 global exhibiting brands. This year’s exhibition is themed “Building Nations: Leveraging Technology Driven Water Services for Inclusive Growth”, focusing on cutting-edge areas such as digital monitoring, automation, non revenue water reduction, and smart water management. On this stage that gathers global industry expertise and innovative technologies, AUDIOWELL will present its latest achievements in ultrasonic flow measurement to the audience.
Core Technology: High Accuracy Flow Measurement Based on the Transit Time Difference Method
AUDIOWELL’s ultrasonic flow meter adopts an in-line (pipe-section) structure. Its core measurement principle is based on the ultrasonic transit-time difference method (also known as the time-of-flight difference method). The transit-time difference method is currently the most widely used and most accurate ultrasonic flow measurement technology. Its basic working principle is as follows: one or more pairs of ultrasonic sensors are installed inside the measuring pipe section to measure, respectively, the propagation time of ultrasonic waves traveling downstream and upstream with the fluid. Downstream, the sound wave travels faster and its propagation time is shorter; upstream, the opposite occurs. Using a high-precision algorithm, the time difference between the two directions is calculated. Based on the linear relationship between this time difference and the fluid velocity, the instantaneous flow rate can be precisely determined.
The product comprises a pair of master-slave connected ultrasonic flow sensors and a measuring pipe section, and integrates a circuit module that calculates and processes the transit-time difference signals of the ultrasonic waves. It directly outputs digital information such as instantaneous flow rate, total flow, and water flow status via a serial port, without requiring an external, complex transmitter or converter – significantly simplifying system integration. Compared to traditional mechanical flow meters that rely on moving parts such as impellers or turbines for measurement, the ultrasonic transit time difference method offers significant advantages: non contact measurement, no pressure loss, and no mechanical wear. AUDIOWELL’s product achieves a measurement accuracy of up to 2%, and its measurement results are unaffected by fluid properties such as viscosity or conductivity, ensuring stable and reliable measurement performance under various operating conditions. The turndown ratio can reach up to 160, covering a wide flow range from low to high flow rates.
Flexible Expandability: Multiple Functions in One Device, Meeting Both Water Quality Monitoring and Process Control Needs
The development of smart water management requires measurement devices not only to provide flow metering functions but also to integrate multi-dimensional water quality monitoring capabilities. Fully considering this industry trend, AUDIOWELL’s ultrasonic flow meter offers optional add-on modules for parameters such as pH value and electrical conductivity, enabling a single device to play the dual role of flow measurement and water quality monitoring.
In water treatment process links, pH and electrical conductivity are key parameters for evaluating core water quality indicators: pH reflects the acidity or alkalinity of the water, while electrical conductivity is closely related to the concentration of total dissolved solids (TDS) in the water. By integrating these detection modules into the flow meter, users can obtain both flow data and water quality parameters in real time, enabling dynamic adjustments in process control. This modular, expandable design approach not only reduces equipment procurement and maintenance costs but also provides a “multi function in one device” integrated solution for water plant operations, industrial water circulation systems, and smart water management platforms – meeting the demand for multi source data fusion in digital water and smart water systems.
Full Scenario Coverage: Liquid and Semi-Fluid Measurement, No Moving Parts for Long Service Life
Traditional flow meters often suffer from impeller jamming, wear, corrosion, and other problems when dealing with complex media such as sewage containing solid particles, slurry, mine tailings, or chemical slurries, leading to reduced measurement accuracy or even device failure. Ultrasonic flow meters measure by means of sound wave propagation, without requiring direct mechanical contact with the fluid medium – fundamentally avoiding this problem. The transit-time difference method is suitable for clean, single phase liquids and semi-solid fluids, while for turbid fluids containing a large number of solid particles or bubbles, the ultrasonic Doppler method can effectively perform measurement.
AUDIOWELL’s ultrasonic flow meter has no moving parts inside, eliminating failure points caused by mechanical friction and wear, greatly extending the product’s service life and reducing the user’s operation and maintenance costs. This feature makes it particularly suitable for complex scenarios such as municipal sewage, industrial wastewater, slurry transport, chemical and pharmaceutical applications, providing users with a reliable flow measurement option that covers the full range of scenarios.
Intelligent Early Warning: Micro-Flow Leak Detection and Visual Display
Water resource waste is a common challenge faced by the global water industry, and small leaks and drips are important contributors to water loss. AUDIOWELL’s ultrasonic flow meter has a micro-flow leak detection function, capable of sensitively capturing extremely subtle abnormal flow changes in the pipeline system and providing early leak warning.
The inherent high sensitivity of the ultrasonic transit time difference technology provides a natural technical foundation for micro flow detection: the transit-time difference method calculates flow velocity by measuring the time difference of sound waves traveling in both forward and reverse directions, maintaining excellent measurement resolution and repeatability even in low flow ranges. Combined with the device’s visual display, users can intuitively view instantaneous flow and cumulative data, keeping real-time track of water usage. When an abnormal, continuous micro-flow occurs in the system, the device can issue an early warning signal in a timely manner, helping users detect and address leakage problems at the earliest possible stage, effectively reducing water resource waste and pipeline operation risks, while also providing accurate data support for non revenue water (NRW) reduction.
Explore the New Future of Smart Water Management with AUDIOWELL at ASIA WATER 2026
ASIA WATER 2026 promises to be a grand exchange for the global water treatment industry. Facing multiple challenges in Malaysia and its neighboring countries – climate-driven floods, water supply interruptions, aging infrastructure, and growing urban and industrial water demand – technology-driven resilient water services have become an industry consensus. AUDIOWELL sincerely invites water industry colleagues, system integrators, and industry experts to visit its booth for discussions and exchanges on innovative applications of ultrasonic flow sensing technology in water treatment and process control.
Exhibition Information:
Exhibition: ASIA WATER 2026
Date: April 7–9, 2026
Venue: Kuala Lumpur Convention Centre (KLCC), Malaysia
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