W-20 webster hardness tester portable aluminium alloy hardness tester
Alloy hardness measuring head, which is easy and durable for operation. Anodic oxidation treated handle, which is wear-resistant and anti-rust
High toughness glass is used as display window
It's suitable to determine the hardness of Aluminum alloy materials.
Testing range: 0~20HW
Accuracy: 0.5HW (5-17HW)
Specimen thickness: 0.4~6mm
Inner diameter: >10mm