ALTANA Pencil Hardness Tester - Manual (Page 9)

7
6.2 Set the wheels of the instrument on a firm
horizontal surface in direct a precise alignment
with the measuring pan of precision scales.
6.3 Place the pencil tip gently onto the scales and
read the applied mass, check the value to be
within 750 (+10/-10) grams.
7.0.Packing.List,.Cat..No..PH-5800
- Pencil Tester, Body
- 1 Set of Pencils (20 ), 9 B to 9 H
- Special Pencil Sharpener
- Abrasive Paper, 400 grade grit