Whether you’re optimizing water usage in irrigation, monitoring industrial liquid flows, or verifying process efficiency, a clamp-on ultrasonic flow meter is a non-invasive and reliable choice. This guide highlights leading clamp-on ultrasonic flow meter manufacturers and five solid product options. It targets buyers seeking durable, accurate, and easy-to-install devices for pipes from DN15 to DN7000mm. The top picks are suited for industrial, agricultural, and municipal applications, with clear notes on best-use scenarios and practical limitations.
Summary of selected products
| Product | Best For | Key Benefit |
|---|---|---|
| Bonvoisin Handheld Ultrasonic Flow Meter | Seawater, industrial liquids | Portable with S1+M2 sensors and internal data logger |
| ValueStoreUS Ultrasonic Flow Meter | General liquids including high-temp scenarios | High temperature transducers, broad pipe compatibility |
| CGOLDENWALL TDS-100H | Precise, configurable measurements | Onsite calibration option, multiple rate units |
| FXEIPOL Ultrasonic Flow Meter | Water systems, robust housing | Durable ABS/steel construction, wide power compatibility |
| Gauqua Ultrasonic Flow Meter | Energy monitoring and irrigation | Low cost, IP68/IP69K-grade protection |
Bonvoisin Handheld Ultrasonic Flow Meter
The Bonvoisin handheld unit uses S1 and M2 transducers to measure flow without interrupting the process. It supports units in liters or gallons and records up to 2000 data points for later analysis. This model is best for operators who need a portable solution that can be moved between locations and systems, such as temporary monitoring on different sections of a pipeline or temporary testing in industrial settings.
Best for: field technicians and site engineers who require a portable, non-destructive measurement method with data logging. It’s suitable for seawater, alcohol, and various industrial liquids, with a wide temperature range and decent accuracy.
Why selected: It combines a non-destructive measurement approach with a clear data pipeline (on-device and software download). The ability to switch units helps in reporting, compliance, and cross-site projects.
Caution: Some users may need the L2 sensor for larger pipes (DN300-6000mm); contact the seller for availability and software access.
ValueStoreUS Ultrasonic Flow Meter
This meter is designed for small to medium pipes and supports high-temperature transducers, enabling measurement across a broad temperature range. It’s compatible with a variety of liquids including water, seawater, fuels, and other common industrial liquids. It works with many pipe materials such as carbon steel, stainless steel, and PVC, making it a versatile option for mixed-material pipelines.
Best for: facilities needing a versatile, high-temperature-capable device that can handle both water and hydrocarbon liquids across diverse pipe materials.
Why selected: The model’s transducer capability and broad material compatibility help reduce the number of different meters needed on a multi-material system.
Caution: Accuracy can depend on proper transducer placement and pipe condition; ensure proper calibration when switching liquids or installation environments.
CGOLDENWALL TDS-100H
The CGOLDENWALL TDS-100H offers strong linearity and repeatability with an accuracy of ±1% and 0.2% repeatability. It supports a wide variety of pipe sizes (DN15 to DN6000mm) and multiple rate units, including liters, cubic meters, gallons, and barrels. It also provides a solid totaliser function for net and positive/negative flow and supports RS232C communications for data transfer.
Best for: applications requiring precise, calibrated measurements with flexible unit options and onboard data handling capabilities.
Why selected: Onsite calibration and a broad unit selection help ensure accurate, auditable measurements in complex piping networks.
Caution: The device’s configuration interface and protocol may require additional setup; verify compatibility if integrating with existing SCADA or data systems.
FXEIPOL Ultrasonic Flow Meter
The FXEIPOL flow meter features a robust ABS/steel construction, a wide voltage range (AC 85–264V and DC 8–36V), and a stated accuracy of ±1%. It is designed for water flow in residential, commercial, or industrial systems. The unit is suitable for environments where power supply variety is a consideration and where a durable enclosure is required for long-term installations.
Best for: water utilities and industrial plants needing a durable, broadly compatible meter with flexible power options.
Why selected: Its emphasis on durability and broad voltage support makes it a reliable choice for installation in varied settings without frequent power issues.
Caution: While advertised accuracy is ±1%, performance will depend on proper transducer placement and installation conditions; perform commissioning checks for critical operations.
HYYKJ-US Ultrasonic Flow Meter
This meter supports DN50-700mm ranges with IP67/IP68-rated protection for outdoor use. It offers bi-directional measurement and multiple installation methods (wall mounting, inline, insertion). It emphasizes long-term outdoor durability, making it suitable for water supply, heating, and irrigation projects where weather exposure is a concern.
Best for: outdoor installations and harsh environments requiring protective enclosures and flexible installation options.
Why selected: The combination of bi-directional metering, multiple mounting options, and rugged enclosure broadens its applicability in outdoor infrastructure projects.
Caution: Installation orientation and pipeline access can impact accuracy; ensure proper alignment and environmental sealing during placement.
Ultrasonic Flow Meter by GOYOJO
The GOYOJO meter features an IP68 rating and a broad operating temperature range, with a focus on residential and commercial water flow management. It is designed for applications like irrigation, gardening, and water resources monitoring, offering practical utility in non-industrial settings.
Best for: smaller-scale projects and precision water management in homes, gardens, and light commercial facilities.
Why selected: Its rugged IP68 protection and focused use for water flow control make it a good fit for non-industrial environments requiring reliable performance with minimal maintenance.
ZWJABYY Handheld Ultrasonic Flow Meter
The ZWJABYY meter is a handheld device that enables non-contact flow measurements by attaching sensors to the outer pipe wall. It includes a built-in data logger capable of recording up to 2000 lines and a long-life battery, supporting more than 12 hours of continuous use. It’s compact and portable, ideal for quick field checks and temporary monitoring.
Best for: technicians performing field surveys or temporary monitoring where non-destructive, quick setup is essential.
Why selected: Its portability and data logging capacity enable rapid assessments across multiple sites without interrupting flow.
Caution: The device relies on proper sensor placement and pipe condition; verify calibration after transducer repositioning or changes in liquid properties.
Buying Guide: Clamp-On Ultrasonic Flow Meters
What to look for when selecting a clamp-on ultrasonic flow meter:
- Pipe size range: Ensure the meter covers your DN range (e.g., DN15–DN7000mm) and has a suitable transducer mounting method for your pipeline.
- Measurement accuracy: Look for ±1% or better with good repeatability (0.2–0.5%). Consider onsite calibration capabilities if precision is critical.
- Material and enclosure: For outdoor or harsh environments, IP rating (IP67/IP68) and durable housings protect against moisture, dust, and corrosion.
- Power and data options: Check voltage requirements, data logging capacity (e.g., 2000 data points), and whether real-time viewing or software download is available.
- Installation impact: Clamp-on units should not require cutting the pipe or stopping flow; verify whether insertion or inline options are needed in your setup.
- Liquid compatibility: Confirm the meter supports your liquid types (water, seawater, kerosene, crude oil, chemicals) and pipe material compatibility (steel, stainless steel, PVC, copper, etc.).
Practical tips for purchase decisions:
- Choose a model with a data logger if you need traceability for audits or regulatory reporting.
- Prefer devices with multiple installation methods (wall mount, inline, insertion) for future flexibility.
- Assess whether you need high-temperature transducers or standard-temperature options based on your process conditions.
- Consider models with bi-directional measurement to capture forward and reverse flow in networks with pressure fluctuations.
FAQ
What is a clamp-on ultrasonic flow meter?
It is a non-invasive device that measures flow by transmitting ultrasonic signals through the pipe wall and analyzing transit time or Doppler shift without opening the pipe.
Can clamp-on meters measure all liquids?
Most measure a wide range of liquids, but performance varies with liquid properties and pipe material. Always verify compatibility for your specific liquid.
Is installation difficult?
Many models are designed for easy non-destructive installation, with clip-on transducers and optional mounting methods.
Do these meters require calibration?
Onsite calibration improves accuracy, especially when pipe materials or liquids change. Some units support automatic or user-configurable calibration.
What maintenance is required?
Regular checks of transducer placement, seal integrity, and battery or power supply health help maintain accuracy and reliability.
Why choose a handheld over a fixed meter?
Handheld models offer portability for field surveys and temporary monitoring; fixed meters provide permanent installation with continuous monitoring.
Add a Comment