Low Speed Centrifuge LLS-A21 - Benchtop Centrifuge Labtron Low Speed Centrifuge delivers 5500 rpm speed with 4919×g RCF and capacity up to 4×250 ml. Equipped with an HD LCD and a one-touch centrifuge button with start and arrival timing modes. Stainless steel chamber with electronic door lock and overspeed, overheat, and unbalance protection supports operation.