Safety device function: Automatic stop when cover is opened during rotation
Timer: 3 minutes 30 seconds fixed
Used Centrifugal Tube: Outer less than 6.0mm x less than 2, 7.8mm x 2, Length less than 35mm (1.5/0.2mL) Number of times for continuous use (Standard): 90 times with 3 minutes 30 seconds Timer.