Overall size L x W x H : 556 x 456 x 287 (All dimensions in mm)Speed Range : 600 - 6000 rpm Vacuum chucks Size : 1", 2" & 4".Glass Window on the top cover for inspection.Programmable panel for setting the spin time & two setting speeds.Digital Timers & Digital RPM CountersInput Power: Single Phase 230 VAC +10%. Frequency -50Hz.Motor Power : 0.5 HP, 2800 RPM. Nickel coated spill bowl.Vacuum interlock.Lid closure interlock.Syringe - Facility for dropping solvent on substrate.