SU Ultrasonic flow meters
The SU ultrasonic flowmeter inline version features a stainless steel measuring tube free of measuring elements, seals, and moving parts. The clamp-on version mounts externally to the pipe, significantly reducing installation cost and time. Both versions eliminate pressure loss, wear-related drift, leakage risks, blockages and maintain stable, long-term measurement performance.
Accurate non-contact flow measurement
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Drift-free measurement: Non‑contact ultrasonic sensing delivers precise, repeatable process readings.
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Minimal pressure drop: An obstruction‑free design preserves flow and maintains overall system performance.
Robust solid-state measurement system
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No moving parts: With no moving parts, the sensor resists wear, vibration, and contamination for dependable operation.
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Low‑maintenance
design: No reoccurring field calibration or frequent service required, reducing unplanned downtime.
No calibration needed
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Factory-calibrated media curves: Temperature-compensated water, glycol, and oil flow curves for consistent performance across the entire range.
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IO-Link: Pure digital signal improves accuracy and resolution over analog signal.
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Category |
Clamp-on ultrasonic flow meter |
Inline ultrasonic flow meter |
| When to use | Existing manufacturing plants | New machine designs |
| Best application fit | Ideal for systems that cannot be shut down or modified, offering fast, non-invasive installation. | Ideal for new piping installations where high accuracy devices can be designed in place. |
| Available media curves |
90% water | 90% Water Glycol Oils up to 68 cSt Custom |
| Accuracy | ± 5% |
± 2% (water) ± 5% (glycol / oil) |
| Repeatability | ± 0.2% | ± 0.2% |
| Mounting connections | Clamp-on (external) | Threaded Tri-clamp Flange |
| Maximum media temperature | 100 ºC / 212 ºF | 130 ºC / 266 ºF |
| Pressure drop | None (fully external) | Minimal (unobstructed flow path) |
The SU Puresonic ultrasonic flowmeter offers many benefits in a variety of applications:
Overview | Applications >>
