Portable Digital Surface Roughness Gauge Pro Grade Tool with High Precision 0.01μm for Ra Rz Rq Rt Testing, Reads 0.05-10 μm Ra and Rq, Perfect for Precision Machining, QA, and Metallurgy

Portable digital surface roughness gauge: 1 unit with extras
✔️ Includes main unit, calibration block, power adapter, USB cable

The GOYOJO SRT5030 portable digital surface roughness tester measures Ra, Rz, Rq, and Rt with a precise 0.01 μm display accuracy. Built for precision machining, QA, and metallurgy, its dual OLED displays and mobile app option help you work in tight spaces with confidence. Dimensions: 110 x 81 x 32 mm; weight 150 g. Battery: 3.7V Lithium Rechargeable.

✅ Ra/Rq range: 0.05-10.0 μm; Rz/Rt: 0.1-50 μm
✅ Display accuracy: 0.01 μm; Deviation: ±(7-10)%
✅ Repeatability: <12%
✅ Dual OLED displays; ARM processor; Battery: 3.7V Li Rechargeable
✅ Dimensions: 110 x 81 x 32 mm (4.33 x 3.19 x 1.26 in); Weight: 150 g
✅ Package contents: Main Unit, Calibration Block, Power Adapter, USB Cable, User Manual, Calibration Certificate

💡 What is a handheld surface roughness tester used for in precision machining and QA testing? A handy tool for quick checks and quality control in production environments. - Measures Ra, Rz, Rq, Rt to quantify surface texture - Provides 0.01 μm display accuracy for consistent QA results - Works well in tight spaces and can sync with a mobile app