It is used to have the graphite pencil draw markers to compare with color scale (option item - prepared by users themselves) to determine its concentration grade. The design of this tester complies with GB/T 149-1995 clause 5.5. (note: The concentration for the graphite pencil is distinguished into 18 grades as 6B, 5 B, 4 B, 3 B, 2 B, B, H B, F, H, 2 H, 3 H, 4 H, 5 H, 6 H, 7 H, 8 H, 9 H and 10 H.
Length of line | 60 mm |
Space Between Lines | 2.5 mm |
Load | 500 g |
Rotation Angle | 45° |
Counter | LCD display , 0~99,999,999 |
Test Seat | ø168mm |
Dimension (W×D×H) | 51 × 30 × 36 cm |
Weight | 57 kg |
Power | 1∮, AC 220V, or specified |
▌The accessories such as the different grips, elongation measuring-devices... etc. are equipped according to the requirements specified in the contract; our sales representative will also give the proper suggestions to our customer beforehand.