Designed for production environments, industrial use, and inspection labs, the Surtronic® S‑100 Series is a robust, portable, and highly flexible surface roughness tester. With a single press of a button, the device delivers complete, traceable measurement results within seconds, including a detailed profile chart — ideal for applications in precision manufacturing and quality control.
The measurement range for the S‑128 is 200 µm / 100 µm / 10 µm, while the S‑116 covers 400 µm / 100 µm / 10 µm. The Surtronic® 25 has been replaced by the Surtronic® S‑100 Series.

Versatile, Fast, and Reliable

The Surtronic S‑100 Series is designed for precise roughness measurements on a wide variety of surfaces — flat, curved, or hard-to-reach. With intuitive operation, a large touch display, and extensive measurement parameters, it is equally suitable for workshop, industrial, and laboratory applications.

Key Features

• Robust, portable design – for direct measurement on parts without complicated setups.
• Fast results – complete roughness profile displayed within seconds.
• 4.3″ color touchscreen – large, easy-to-read display with simple menu navigation.
• USB connectivity – charging, external storage, and optional printer connection.
• Measurable anywhere – 50 mm probe travel and >70 mm reach for complex shapes without additional fixtures.
• Non-slip V‑feet – secure measurement on flat and curved surfaces.
• Long battery life – up to 2,000 measurements per charge.
• Extended parameter options – ideal for demanding surface analysis.
• Two variants available –
  S‑116: Standard measurement range and S‑128: Extended measurement range and analysis functions.

What Makes the Surtronic S‑100 Series Special?

• “Any Surface, Any Height” – measures any surface in virtually any orientation, even upside down.
• Quick and easy operation – simply press the measurement button, and the result appears instantly.
• Ideal for labs and production – robust construction, durable components, and high repeatability.
• Customizable accessory options – fixtures and options for special measurement tasks to suit customer needs.

Typical Industries & Applications

The Surtronic S‑100 Series is perfectly suited for:

• Quality control and process monitoring in the automotive industry
• Precision components such as bearings or shafts
• Industrial and toolmaking applications
• Aerospace technology
• General metalworking and machinery operations

Optional Analysis & Software

When used with the optional TalyProfile software, measurement data can be further processed, analyzed, or documented according to ISO standards, making the Surtronic S‑100 a complete solution for roughness evaluation and reporting.