Electric Pencil Hardness Tester GT-H100 Product Introduction Application: This machine is used to test film hardness through plow-breaking paint film. Hardness will be showed via pencil mark of plow-breaking paint film under specified testing condition. Standards GB/T6739-1996,JIS K5401, ASTM D2197 Key Specifications Model GT-H100 Test angle 45 degree Load 500g, 250g, 250g Balancing weights 750g Moving speed of test bench 5mm/s (adjustable) Travel distance 40mm Test bench Approx.12x17cm, can fix the sample Power supply 1 phase 220V / 50Hz Accessories Pencils (6B~ 6H) 1set, Load 1set