Specification :

Main functional parameter:
1, can polish instantly to the weld metal and over-thickness oxide layer when it is out of alternating current power supply, it is used for the pretreatment work on the spot of metallographic, portable spectrograph and hardness tester.
2, Dc electrical source weighs about 1 k g, but it can continue woking for 8-20 hours.
3.can both satisfy chargeable blowing machine and chargeable polisher working,
4, speed 7200 circles/ min,
5, working voltage 9.6V DC
6, scafe diameter 100 mm,
7, Volume 8-20AH,
8.Input 9.6V 3A,