10N Manual Probe Ø5.5 Tip, Ø2.4 Oscillation Rod, Ra

Compact, reliable and engineered for repeatable surface readings: the manual ultrasonic probe delivers a 10 N contact force, a Ø5.5 mm measuring tip and an oscillation rod suited to fine roughness measurement, enabling consistent results on test pieces from 2 mm thickness and 0.3 kg weight. Order the manual probe directly via Metav Werkzeuge or ask our consultants if needed.

Manual probe 10 N for 502.230 / 502.231 / 502.240 / 502.241 (M502.251) — ultrasonic contact probe with manual drive

Manual probe 10 N for 502.230/502.231/502.240/502.241 is an ultrasonic contact accessory with a controlled manual actuator designed for surface roughness measurement on compact workpieces and laboratory specimens.

• Manual drive for controlled contact force
• 10 N constant measuring force
• Ø5.5 mm measuring tip for fine contact
• Compatible with 502.230–502.241 roughness testers

Repeatable contact force for reliable roughness results

A defined 10 N measuring force ensures consistent contact pressure for each measurement cycle, reducing variability caused by operator pressure. The accessory’s manual actuator offers tactile control while maintaining a stable contact environment, which is essential when comparing surface finish values across batches. This stability supports trustable roughness readings down to the instrument’s resolution and helps maintain production-quality documentation in inspection routines.

Compact construction that fits confined measuring setups

With compact external dimensions of 154 x Ø22 mm and a mass of 1 kg, the probe is easy to integrate into small benches and test rigs without imposing excessive load on the measuring instrument. The slim profile preserves accessibility to narrow features and small parts, while the moderate mass contributes to steady contact during manual positioning. These attributes make the probe suitable for shop-floor roughness testing where space and ergonomics matter.

Tip and oscillation system engineered for surface detail

The Ø5.5 mm measuring tip combined with an oscillation rod Ø2.4 mm is designed to capture microscopic surface excursions while avoiding tip-induced artefacts. The specified surface roughness capability, Ra < 2.5 μm, aligns the accessory with common industrial roughness classes, enabling detection of relevant texture changes. The tip geometry and oscillation assembly are optimised to transfer ultrasonic signals reliably to the measurement instrument, preserving signal quality for subsequent analysis.

Compatibility and application scope in inspection workflows

Designed specifically for use with models 502.230, 502.231, 502.240 and 502.241, the accessory provides plug‑and‑play compatibility for established roughness testers. It is suitable for specimens with a minimum thickness of 2 mm and minimum weight of 0.3 kg, covering small components, machined parts and many production samples. Where controlled manual engagement and a defined contact force are required, this probe supports repeatable shop and laboratory measurements without complex fixturing.

Discuss technical fitment and delivery with Metav Werkzeuge for efficient integration of the Metav IndustryLine manual ultrasonic probe, M502.251 — contact info@metav-werkzeuge.com or call +49 2822 7131930 for specific application advice and stock details

Technical data

• Article number: M502.251
• GTIN: 4054469165561
• Category: Ultrasound probe
• Suitable for models: 502.230 / 502.231 / 502.240 / 502.241

Measurements

• Measuring force: 10 N
• Measuring tip diameter: Ø5.5 mm
• Oscillation rod diameter: Ø2.4 mm
• Dimensions: 154 x Ø22 mm
• Weight: 1 kg
• Surface roughness capability: Ra < 2.5 μm
• Minimum specimen thickness: 2 mm
• Minimum specimen weight: 0.3 kg
• Customs tariff number: 90249000
• ECLASS: 27272803

Special features

• Manual drive for controlled contact
• Ultrasonic contact probe for roughness testing
• Designed for compact and small-part measurements
• Compact form factor for bench and lab use

FAQ

What measuring force does the probe apply and why does it matter?
The probe applies a constant 10 N measuring force; consistent contact pressure is crucial for repeatable surface roughness readings and reduces operator-induced variance when using the Manual probe 10 N (M502.251).

Which roughness testers is this accessory compatible with?
This ultrasonic probe is compatible with models 502.230, 502.231, 502.240 and 502.241, providing straightforward integration into existing Metav IndustryLine roughness tester setups.

What are the minimum specimen requirements for reliable measurement?
Reliable measurement requires a specimen thickness of at least 2 mm and a minimum mass of 0.3 kg, conditions under which the probe’s contact and oscillation system perform within the stated surface capability.

Can the measuring tip capture fine surface details?
Yes; the Ø5.5 mm measuring tip and the Ø2.4 mm oscillation rod are designed to register fine texture features, supporting surface evaluation down to the stated Ra < 2.5 μm range with stable signal transfer to the instrument.

Manufacturer / Responsible: Metav Werkzeuge GmbH; Parkring 45; 46446 Emmerich; Germany; +49 2822 7131930; info@metav-werkzeuge.com