This machine is a 60g special weight set in the lower end of the pen, so that the pen and writing paper straight surface into 50 ° ~ 70 ° angle of inclination, with 20mm / s ~ 25mm / s scribing speed of straight lines with bare hands, check whether the line is in line with the requirements of QB/T 1655-2006 Table 2.
QB/T1655-2006
1. Load (special weights): 60g.25g
2. Angle: 50 ° ~ 70 °
3. Speed: 20mm / s ~ 25mm / s; 10 mm / s ~ 15mm / s
4. Specimen: water-based pen. Ballpoint pen or pen refill
5. Volume (W × D × H): 63 × 40 × 25cm
6. Weight: 43kg
7. Power supply: AC220V 50HZ