Digital Surface Roughness Tester With Ra Rz Rq Rt, Portable Profilometer For Metal And Nonmetal Surfaces, Tests Ex Circle, Flat And Conical Surfaces, Handles Grooves Over 80 By 30 Mm, High Speed DSP Processor

Portable Digital Roughness Tester with 4 measurement params
✔️ 4 test parameters Ra Rz Rq Rt; single unit handheld instrument

The handheld surface roughness tester measures finish quality on metal and nonmetal parts, making it ideal for labs, workshops, and field service. It tests ex-circle, flat, and conical surfaces and can handle grooves up to 80 by 30 mm, helping QA teams verify finishes quickly.

✅ Ra, Rq range 0.05~15.0 μm; Rz, Rt 0.1~50.0 μm
✅ Sample lengths: 0.25, 0.80, 2.50 mm
✅ Evaluation lengths: 1.25, 4.0, 5.0 mm
✅ Stroke length: 6 mm
✅ Indication accuracy: 0.01 μm
✅ Indication error: ≤15%
✅ Variability: under 12%
✅ Stylus static force: ≤0.016 N
✅ Power: Rechargeable Li-battery; USB charging
✅ Size: 106 mm, 70 mm, 24 mm; Weight: 200 g

💡 What is a surface roughness tester used for?

This handy tool helps engineers and inspectors assess surface finish quickly. - handy for quick field checks on Ra Rz Rq Rt readings - ideal for quality control and process monitoring in machining shops - supports ex-circle, flat and conical surfaces for flexible use