ifm Has Launched SU Clamp-On Ultrasonic Flow Sensor
The new sensor uses automatic wall thickness detection to improve measurement accuracy for industrial applications.
Updated on Sept. 30, 2026 in Manufacturing
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ifm released the SU Clamp-On ultrasonic flow sensor, a device designed to measure flow rates without requiring invasive pipe modifications. The unit automates measurement accuracy by compensating for industrial pipe wall tolerances.
Why it matters
Industrial pipes often carry wall thickness tolerances of up to 10 percent, which can significantly skew flow measurement accuracy. This sensor addresses the issue by utilizing a third ZT transducer to calculate precise internal pipe diameters.
The sensor handles wall thickness tolerances of 10% and features a 1.5 Nm screw tightening torque. Installation requires between 2 to 5 minutes, and the device carries an IP69 protection rating for durability.
The players
ifm
ifm is a global manufacturer of sensors, controllers, and industrial networking hardware.
The details
Users install the sensor by preparing the pipe surface, snapping the unit into place with the Click & Fix mechanism, and securing it with two screws. The device is constructed from 316L stainless steel and supports multiple connectivity standards, including analogue, switching, pulse, and IO-Link.
Timeline
The ifm SU Clamp-On sensor launched globally on September 30, 2026.
Market Landscape
The new sensor helps manufacturers overcome the 10 percent pipe wall thickness tolerance standard, marking a shift toward more precise non-invasive instrumentation. This move pits ifm against traditional flow meter providers by offering an easier, snap-in installation method.
Facility managers and engineers can expect reduced downtime during installation, as the sensor can be set up in under 5 minutes. The inclusion of IO-Link support simplifies integration into existing industrial digital networks.
The takeaway
Non-invasive sensors are becoming increasingly sophisticated by automating calculations that previously required manual user input. Engineers should prioritize equipment that compensates for material variance to ensure long-term measurement consistency.
Further reading
For more information on industrial equipment standards, visit the Manufacturing section.
Source note: This article includes information reported by Controlengeurope.
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