Tube Mill 100 Control Volume 100mL Max Grain Size 10 mm Max Grain Hardness 5 Mohs Max Speed 25 000 RPM Height 8.3 in Width 7.1 in Depth 11.8 in Weight 6.1 lb Voltage 220-240/100-120/100 Features Adjustable Safety Speed And Time Clear And Multilingual OLED Display Programmable And Storable Test Conditions Touch Keypad Various Operating Modes Includes Error Code Display Grinding Chamber Timer