The Prosonic Flow W 400 is the versatile, maintenance-free solution for measuring both conductive and non-conductive liquids in industrial and municipal environments. By clamping onto the outside of the pipe, it eliminates the need for pipe cutting, welding, or process downtime, ensuring that your water supply remains uninterrupted during installation.
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| Feature | Technical Data |
| Measuring Principle | Ultrasonic Clamp-on (Time-of-flight) |
| Pipe Size Range | DN 15 to DN 4000 (0.5" to 160") |
| Medium Temperature | –40 to +130 °C (–40 to +266 °F) |
| Straight Run Required | Minimal 2 x DN (with integrated FlowDC) |
| Accuracy | Up to ±0.5% (with field calibration) |
| Protection Class | IP68 (Sensors suitable for submerged underground use) |
| Diagnostics | Integrated Heartbeat Technology™ |
Unlimited Pipe Diameters: While the cost of traditional Magmeters sky-rockets as the pipe size increases, the W 400 remains an affordable, high-performance option for large conduits up to DN 4000.
Zero Downtime Installation: Install the sensors in hours, not days. Clamping onto the live pipe means no service interruptions for residents or industrial facilities.
Solve Turbulence with FlowDC: Most meters require 10-15xDN straight runs after an elbow. The W 400’s FlowDC technology corrects for flow disturbances, enabling installation in tight pump stations.
Heartbeat Technology™: Permanent self-monitoring and traceable verification while the process is running. This allows for documented proof of accuracy without pulling the meter from the line.
Universal Media Compatibility: Unlike Magmeters which require a minimum conductivity, the W 400 measures demineralized water, glycol solutions, and chemicals with equal precision.
The Challenge: A city water utility needed to add flow monitoring to a 48-inch (DN 1200) main line. The available space was extremely tight, located directly after a 90° bend, and the city could not afford to shut off the water to a major district for a week-long flanged installation.
The Hanyu Solution: The utility deployed the Prosonic Flow W 400 from
The Result: The sensors were clamped onto the live 48-inch pipe in just two hours.
The Impact: The FlowDC feature successfully compensated for the turbulence caused by the nearby bend. The city saved over $50,000 in hardware and labor costs and avoided a major logistical nightmare, ensuring continuous water service to thousands of homes.
Q1: Can the W 400 be used in underground pits that might flood?
A: Yes. The W 400 sensors are available with an IP68 rating, making them fully submersible and perfect for underground installation in municipal water networks.
Q2: Does it work on old, corroded pipes?
A: Yes. The W 400 features a powerful signal processor that can penetrate a variety of pipe materials. For very old pipes, our technical team can assist in selecting the best mounting location to ensure signal integrity.
Q3: How do I manage the data for billing or SCADA?
A: The W 400 includes a built-in web server for easy configuration via smartphone or laptop. It can be paired with the [SICK Flow-X High-Precision Flow Computer]. for fiscal-level reporting or integrated via Modbus/HART into your SCADA system.
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