Electric Pencil Hardness Tester GT-H100 Product Introduction Application: The hardness pencil scratch the surface of the coating film to test the surface hardness of the coating film layer, hardness pencil fixed at an angle of 45º, so that the front end of the pencil center and the surface of the coating film layer in contact with the appropriate load, according to a certain speed (JIS standard 0.5mm / s) to move the test platform so that the surface of the coating film layer moving through the pencil center, the coating film layer will not cause damage (scratch) the softest pencil grade can be considered as the coating film Layer hardness. Principle The hardness pencil scratch the surface of the coating film to test the surface hardness of the coating film layer, hardness pencil fixed at an angle of 45º, so that the front end of the pencil center and the surface of the coating film layer in contact with the appropriate load, according to a certain speed (JIS standard 0.5mm / s) to move the test platform so that the surface of the coating film layer moving through the pencil center, the coating film layer will not cause damage (scratch) the softest pencil grade can be considered as the coating film Layer hardness. Key Specifications Model GT-H100 Testing Angle 45 degrees Load Adjustable, 500g, 250g Movement Speed 5mm/sec, adjustable Stroke Space 40mm Table Approx. 12x17cm, can fix the sample Power Supply 220V / 50Hz Accessories Standard Accessories 13pcs Standard Pencils Standard Accessories 1Set Weights roducVideo