INSIZE ISHW-L20B webster hardness tester

Features

• Application for aluminum alloy small tube. Hardness range 0 ~ 20HW. Min. reading 1HW.
• Accuracy ±0.5HW (at 5 ~ 17HW).
• To measure the hardness of soft metal such as aluminum alloy, copper, brass, soft steel, etc.
• According to ASTM B647-84 (2000).