Hella Precise Portable Surface Roughness Tester Featuring Handheld Split Type Digital Meter For Quick Metal Plastic Wood Finish Checks No Sweat Operation Plug And Play Interface

Portable Digital Surface Roughness Checker
✔️ One pack SDR990B Handheld Device Reads Ra Rz Rq Values Fast

This single unit handheld meter quickly assesses finish quality on metal, plastic, wood, and construction substrates. The split probe design plugs straight into the display head so you can skip cable tangles and start reading textures on the fly. Shop floors rely on it for fast routine inspections.

✅ Reads 0.38 kilogram chassis for comfortable one-handed grip
✅ Displays Ra Rz Rq Rt Rp Rv and R3z measurement parameters
✅ Auto calibration chip locks accuracy before every run
✅ Overall frame measures 160 by 64 by 53 millimeters

💡 What does a handheld digital roughness checker measure?
It reads microscopic peaks and valleys to verify machined finish quality.
- Pocket devices glide across plates and shafts real quick
- Screens pop up Ra Rz and centerline average numbers fast
- Handy way to spot bad machining before parts leave the floor
- Cuts test time by ditching heavy benchtop comparators