Pro Grade Digital Surface Roughness Tester With 0.01μm Accuracy, Portable Handheld Gauge For Ra Rq Rz Rt, Four Parameter Surface Finish Meter, Includes Calibration Block And Bracket

Professional Digital Surface Roughness Tester - 0.01μm
✔️ 1 pc pack, 4-parameter roughness meter Ra/Rq/Rz/Rt

Compact handheld digital surface roughness tester measures Ra, Rq, Rz, and Rt with 0.01μm accuracy. It's designed for shop floors, laboratories, and field environments to deliver quick surface quality checks.

✅ 0.01μm accuracy for Ra, Rq, Rz, Rt
✅ Ra/Rq: 0.05-15.0μm; Rz/Rt: 0.1-50.0μm
✅ DSP processor enables millisecond-level data processing; output in 2 seconds
✅ Protective cap and robust piezoelectric sensor; includes calibration block and test block holder
✅ OLED display 256x64; USB charging and data transfer
✅ Aluminum die-drawn housing; bracket included for mounting

💡 What is a handheld surface roughness tester used for in precision manufacturing and QA?

In practice, it gives fast, actionable surface finish data directly at the worksite. - Quick Ra/Rq/Rz/Rt measurements on metal and non-metal parts - Handy for on-site checks in factories, labs, outdoors - Easy calibration with included calibration block and test block holder ✝️