Portable Surface Roughness Tester SJ-210
Portable Surface Roughness Tester SJ-210 - Image 2
MITUTOYO

Portable Surface Roughness Tester SJ-210

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On-the-Go Precision: Portable Surface Roughness Tester SJ-210

Verifying surface finish quality requires speed and accuracy on modern shop floors. Transporting heavy parts to a metrology lab creates costly production bottlenecks. The Portable Surface Roughness Tester SJ-210 solves this challenge by delivering lab-grade surface finish measurement directly to your machine.

This guide explores how this compact tester elevates quality control across manufacturing environments.

What Is the Portable Surface Roughness Tester SJ-210?

The SJ-210 is a handheld surface profilometer designed by Mitutoyo for portable measurement.

Equipped with a high-resolution color LCD screen and a detachable drive unit, this tool measures surface textures ($Ra$, $Rz$, $Rq$) on flat, curved, or slanted surfaces. Operators get instant visual profile graphs without connecting to an external computer.

Key Operational Advantages

Integrating the SJ-210 into your inspection workflow offers immediate practical benefits:

  • Compact Portability: Fits comfortably in one hand for easy testing on large workpieces.

  • Color Display: Displays numerical data, color judgment curves, and profile graphs clearly.

  • Detachable Drive Unit: Separates from the main unit to reach tight internal bores and recessed areas.

  • Multi-Language Support: Features an intuitive interface supporting 16 different languages.

Common Industrial Applications

Machinists and quality managers rely on the SJ-210 for daily surface verification:

  1. Machined Metal Parts: Measure turned, milled, or ground metal surfaces during active production.

  2. Automotive Components: Inspect engine blocks, crankshafts, and cylinder bores on the floor.

  3. Incoming Quality Control: Verify raw materials and vendor parts before assembly.

  4. Toolroom Maintenance: Check die surfaces and mold polishes to ensure smooth operations.

How to Take a Measurement in 4 Steps

Follow these simple steps for reliable surface roughness data:

  1. Position the Detector: Place the drive unit stylus smoothly against your workpiece.

  2. Press Start: Initiate the trace sweep using the front control panel.

  3. Review Results: Check $Ra$ values and graphic profiles directly on the color screen.

  4. Save or Output Data: Store readings in internal memory or export via USB.

Final Thoughts

The Portable Surface Roughness Tester SJ-210 bridges the gap between lab precision and shop floor convenience. By catching surface flaws early, this durable tester saves rework costs and maintains top manufacturing standards.

Portable hand-held model SJ-210 Wide range of parameter example Ra, Ry, Rz, Rmax.etc Color Graphic display Built-in memory for data storage Skidded styles measurement  
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