Portable Surface Roughness Tester AR 131A Sandblast Meter 0 To 750um Printing And Spraying Gauge For Precision Measurement And Surface Quality Inspection Compact Pro Grade On The Go Tool

Portable roughness tester AR-131A for 0-750 µm
✔️ Range 0-750 µm, 1 µm resolution, >30 readings/min, 170x63x24 mm

The AR-131A portable surface roughness tester is a compact handheld device for on-site surface finish inspection. It’s widely used in machinery manufacturing and industrial production to verify roughness and support quality control workflows.

✅ Range: 0-750 µm
✅ Resolution: 1 µm
✅ Measurement speed: >30 readings/min
✅ Size: 170x63x24 mm
✅ Power: 2x AAA (UM-4) batteries

💡 What is a portable surface roughness tester used for in manufacturing quality control?

Its main function is to provide fast, on-site roughness data to verify finishes meet specs and aid QA decisions.

- On-site roughness checks for machining, forming, and finishing - Helps document measurement data for QA reports and audits - Supports quick pass/fail decisions in production✝️