Portable Surface Roughness Tester And Profilometer With Calibration Block, Ultra Precise 0.01 μm Accuracy, Measures Ra Rq Rz Rt From 0.05 To 15.0 μm And 0.1 To 50.0 μm, LED Display, Rechargeable, Ideal For Flat Surfaces And External Circles

Portable 0.01 μm Surface Roughness Tester - single unit
✔️ Ra, Rq, Rz, Rt up to 0.1-50 μm; 0.01 μm accuracy; rechargeable

This handheld surface roughness tester combines a calibrated block and a profilometer to measure Ra, Rq, Rz and Rt on flat surfaces and external circles. It’s a handy tool for quality control in manufacturing, automotive, aerospace, electronics, and research labs.

✅ Ultra-precise 0.01 μm accuracy with calibration block
✅ Measures Ra, Rq, Rz, Rt for flat surfaces and external circles
✅ 0.1-50 μm measurement range with fast DSP processing
✅ OLED display for bright visibility in sunlight
✅ Rechargeable Li-ion battery with in-use charging capability
✅ Lightweight aluminum body for portability

💡 What is a surface roughness tester used for?

It's designed to quickly verify surface finishes to spec on metal and non metal parts.

• Handy for confirming Ra, Rq, Rz, and Rt on flat surfaces and external features
• Ideal for quality control workflows in manufacturing, automotive, aerospace, and electronics
• Includes a calibrated block for traceable, repeatable results
• Bright OLED display and rechargeable battery support field use