You Professional Ultrasonic Flow Meter Suppliers！
Dongyi Company will be a professional manufacturer of liquid level meters, flow meters, online water quality analyzers and pressure transmitters integrating R&D, design, production, sales and after-sales.
Why Choose Us
Our Factory
The company has a factory building of nearly 2,000 square meters and is professional There are more than 10 technical staff and more than 20 utility model patents.
Production Equipment
Our production facilities are equipped with advanced tools, including ultrasonic and radar testing devices, laser welding equipment, flow calibration devices, pressure debugging equipment, high and low temperature aging boxes, and circuit aging devices.
Our Certificates
We hold several certifications, including utility model patents, design patents, software works, and quality management system certifications.
Ultrasonic Flow Meter - Overview
Ultrasonic flow meter technology is a non-contact means of measuring the velocity of a fluid. They are clamp-on devices that attach to the exterior of the pipe (and fit a variety of pipe sizes) and enable measurement of corrosive liquids without damage to the ultrasonic sensor. Portable ultrasonic flow meters are available to aid in industrial application.
Product Specification
We offer the following Specifications：
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Measurement accuracy |
Better than 1% |
Communication protocols |
MODBUS protocol, M-BUS protocol, FUJI extension protocol, and compatible with communication protocols of similar products from other domestic manufacturers |
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Repeatability |
Better than 0.2% |
Other functions |
Automatic memory of 512 days, first 128 months, and positive/negative/net cumulative traffic for the first 10 years |
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Measurement cycle |
550ms (2 times per second, collecting 128 sets of data per cycle) |
Automatically memorize |
The first 30 power on/off times and flow rate, and can achieve automatic or manual addition of flow rate. Programmable batch (quantitative) controllers can be read out through MODBUS protocol, with fault self diagnosis function |
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Maximum flow velocity |
64m/s (flow velocity resolution of 0.001m/s) |
Software upgrades |
Can be achieved through code files transmitted through E-MAIL |
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Display |
2 * 10 Chinese character backlit LCD displays instantaneous flow rate, positive, negative, net cumulative flow rate, flow rate, etc |
Protection level |
Sensor IP68, F4 host IP68, other hosts IP65 |
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Operation |
4 * 4 touch pad (F4 host magnetic 4 buttons) operation |
Explosion proof level |
Exd Ⅱ BT4 (TDS-100F2 type) |
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Signal output |
1 isolated RS485 output, 1 4-20mA or 0-20mA output, 1 isolation OCT (programmable pulse width between 6-1000ms, default 200ms) 1 relay output (pulse width 200ms) |
Instrument size |
(See user manual for details) |
Types of Ultrasonic Flow Meter
Dual and Single Clamp-On Ultrasonic Flow Meters
A clamp-on ultrasonic flow meter is the least invasive among the various types of flow meters, ideal for non-intrusive, maintenance-free fluid monitoring. Clamp-on meters are easily installed without modified pipework or process interruption, making them well-suited for retrofitting and temporary measurement projects. They come in single and dual sensor versions: the single-sensor model houses both transmit and receive crystals within one body, clamped at a single location on the pipe's surface. This configuration is optimal for compact spaces or straightforward installations.
Hybrid Ultrasonic Flow Meters
Hybrid ultrasonic flow meters are the most versatile flow meters available, engineered to seamlessly handle an extensive array of fluids in industrial, commercial, and municipal systems. Dubbed "hybrid" because they integrate both ultrasonic Doppler and transit time measurement technologies, these advanced meters enable operators to switch between methods for optimal performance: the Doppler principle is recommended when measuring fluids containing particulate matter or entrained air bubbles, while the transit time technique offers superior accuracy with clean, particle-free liquids.
In-Line Ultrasonic Flow Meters
In-line ultrasonic flow meters, sometimes referred to as insertion or spool-type meters, are installed directly into the pipe, becoming an integral part of the fluid transport system. These in-line devices excel in applications that demand long-term, high-accuracy monitoring, such as process automation, custody transfer, and district energy systems. In-line ultrasonic meters can be configured for both single-path and multi-path measurement to accommodate varying levels of required accuracy and fluid dynamics.
Portable Ultrasonic Flow Meters
Portable flow meters provide flexible, on-the-go flow measurement solutions for short-term monitoring, troubleshooting, or validation of existing metering systems. These units span from compact, handheld devices—comparable in size to a calculator—to larger, more advanced models similar to a laptop or notebook, making them well-suited for field engineers, maintenance technicians, and utility operators. Key features often include built-in rechargeable batteries, intuitive user interfaces, and options for both DC charging or standard AC outlet compatibility.
Application of Ultrasonic Flow Meter
Industrial Process Monitoring:
Ultrasonic flow meters are used in industrial processes such as chemical manufacturing, food and beverage production, and pharmaceutical processing to monitor the flow of liquids and gases. Their non-intrusive design and high accuracy make them valuable instruments for optimizing production efficiency and ensuring consistent product quality.
Water and Wastewater Management:
Ultrasonic flow meters play a crucial role in water utilities and wastewater treatment facilities, where accurate flow measurement is essential for resource management and environmental compliance. These flow meters provide real-time data for monitoring water usage, detecting leaks, and controlling the flow of water and wastewater in distribution networks and treatment plants.
Energy and Utilities:
In the energy sector, ultrasonic flow meters are utilized for measuring the flow of natural gas, steam, and other utilities. Their ability to handle a wide range of fluid conditions and provide accurate measurements contributes to efficient energy management and cost-effective operations.
HVAC and Building Systems:
Ultrasonic flow meters are integrated into heating, ventilation, and air conditioning (HVAC) systems to monitor the flow of water and other fluids for temperature regulation and energy conservation. Their non-intrusive installation and high accuracy make them ideal for building automation and energy-efficient HVAC solutions.
Installation
1. Observe whether the pipeline at the installation site meets the distance from the front 10D to the front 5D and the distance from the pump 30D. (D is the inner diameter of the pipeline)
2. Confirm the fluid medium in the pipeline and whether it is full.
3. Confirm the pipe material and wall thickness (consider the thickness of the inner wall of the pipe
4. Confirm the service life of the pipeline. Even if the pipeline is about 10 years old, even if it is made of carbon steel, it is best to use plug-in installation.
5. After completing the first four steps, you can confirm which sensor to use
6. Start to input parameters to the watch body to determine the installation distance.
7.Install the sensor-debug signal-make waterproof-reorganize the signal cable-clean up the waste at the site-end of installation-acceptance signature
Design Confirmation and Quotation: Our process begins when a customer sends us specific product details such as the specifications and dimensions of the product they want. We will provide a quote for the entire process according to customer requirements.
Sample Making: After agreeing the quotation, Our designers will make samples for you in the shortest time, after the samples are finished, we can send them to our customers by post for testing, or provide you some pictures for your reference.
Mass Production & QC: Once the samples are finalized, the design will be forwarded to our factory to start mass production. Our dedicated quality control team monitors every step of the process to ensure that every product meets our standards before it leaves the factory.
Delivery: Once the order has been manufactured, we will arrange for delivery of the product to the customer, thus completing the process.
Packaging & Delivery
Certificate
FAQ
We're well-known as one of the leading ultrasonic flow meter manufacturers and suppliers in China. Please feel free to buy high quality ultrasonic flow meter made in China here from our factory. Contact us for customized service.
Hand Held Ultrasonic Flow Meter, Fixed Ultrasonic Flow Meter, Ultrasonic Flow Meter Clamp On