Motor YASUKAWA Print Motor 75W Nos. of revolution 100〜6000rpm Revolving accuracy ±0.2%/3000rpm Power supply AC100V 7A Display Timer 3 digits　0〜999sec　Revolving meter 4 digits （LED display） Nos. of steps Programmable 2 steps Sample fixing By Vacuum Vacuum pump piping nozzle Outer diameter 6mmφ（left side） Max. sample size 4 inchφwafer Cup 270mmφ SUS Dimension W 340×D 420×H 220mm Weight Approx. 17kg Option Vacuum chuck, Vacuum pump