BGD 505 Adjustable Pencil Hardness Tester is designed according with ASTM D 3363,ISO 15184.Operator can obtain three different forces of pencil tip（500g,750g and 1000g）by selecting different loading weights.
Main Technical Parameters
■ Three points are touched on the tested surface（roller, pencil core）
■ The angle between pencil and the tested surface is 45º
■ Force of pencil tip：500g/750g/1000g
■ Ordering Information：BGD 505---Adjustable Pencil Hardness Tester
