S462 – External Ultrasonic Flow Meter for Liquids (Clamp-On)
External installation — fast and non-intrusive, with no need to cut into the pipe
- Non-intrusive ultrasonic measurement using Clamp-On technology, with no direct contact with the fluid.
- Compatible with clean liquids such as water, seawater, and other fluids upon request.
- Fast external installation, with no pipe cutting and no process interruption.
- Integrated OLED display for real-time value visualization and parameter configuration.
- Compact and robust design, suitable for industrial environments.
- High measurement accuracy and stability in continuous flow applications.
- Ideal for consumption monitoring and industrial process control.
Description

Non-invasive liquid flow monitoring solution
The S462 is an external ultrasonic flow meter for liquids that provides a non-invasive, accurate, and reliable flow monitoring solution for industrial applications. It uses ultrasonic transit-time technology, allowing flow measurement without direct contact with the fluid and without affecting process operation.
Its Clamp-On design enables fast and easy installation on the pipe, eliminating the need for pipe cutting, production shutdowns, or contamination risks. The S462 is available for pipe diameters from DN20 to DN40 and delivers stable and precise readings, even during continuous operation.
The device features a Modbus RTU interface and a 4–20 mA analog output, ensuring easy integration into monitoring, control, and facility management systems. In addition, it is fully compatible with the SUTO ecosystem, including displays, data loggers, and portable devices such as the S330 / S331 and S551.7.
Applications
Measurement of liquid flow and consumption in pipes with diameters DN20, DN25, DN32, and DN40
Industrial water, potable water, and process water systems
Consumption monitoring in industrial and commercial facilities
Processes where contact with the fluid or pipe intervention is not permitted
Temporary installations or mobile measurement points
Applications requiring measurement without pressure loss or leakage risk
Energy and liquid consumption audits
Advantages
Non-invasive measurement with no pressure loss, fluid contamination, or leakage risk
Clamp-On installation, fast and easy, without stopping the process
Compatible with stainless steel, carbon steel, and plastic pipes (PVC, PVDF, PPR, PPH, HDPE, among others)
Suitable for both temporary and permanent applications
Easy integration into existing monitoring and control systems
Reduced installation and maintenance costs by eliminating the need for pipe modifications

Videos
S462ESP
Additional Device Information
- High-reliability ultrasonic technology, ideal for stable long-term measurements
- No periodic maintenance required, as it has no moving parts
- Silent operation with no mechanical wear
- Long service life, even under continuous operating conditions
- Allows measurements without draining the line or interrupting the process
- Ideal solution for upgrading existing systems without pipe replacement
- Suitable for industrial environments where reliable measurement with minimal intervention is required


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