Product description: The 400g weight is applied to the tip, the counting table to zero, start the motor, when the lead core on copper rotate and rub to 100 laps, turn the recorder on, to start drawing a line recording, after the recorder rotate a week, , turn off the electric machine.

Technical date:
1, Weight: 400g
2, Core tip gauge plate: 0.7mm aperture
3, Sandpaper: W14 metallographic sandpaper, 50 pieces
4, Coordinate paper fixture: 1 set
5, Coordinate recording paper: 1 package
6, Dimensions: 50 × 30 × 65cm
7, Weight: 60kg
8, Power: AC220V 50HZ

Attachments:
①, A Chinese instrument manual.
②, An instrument warranty card.
③, CNAS international third-party tester calibration report.