Gel Card Centrifuge LGCC-A10 - Blood Bank Centrifuge Labtron Gel Card Centrifuge holds 24 gel cards with a speed range of 500 to 2200 rpm and RCF up to 540 g. It offers a 1 to 30 min timer with microprocessor control and RPM and RCF changeable settings. Automatic imbalance detection and auto resume with multi-point running up to 5 points.