Product Description Speed Range: 100-21000 rpm Speed Control: 20 rpm Maximum Force: 51,500 g Maximum Capacity: 3 L Timer: 0-99 hours 59.9 minutes and hold Temperature Range: -20 to 40C Temperature Control: 2C for temp 0- amb 1 C after dynamic calibration Weight: 656 Ilbs GMI Certified Pre-Owned Fully 90-Day Warranty Included Beckman Coulter J2-HS High Speed Floor Model Centrifuge Specifications: Max speed 21000 rpm Max volume 3 liters Temperature range -20C to Ambient Timer 0 to 160 minutes or hold Speed control 200 rpm Dimensions 28 W x 33 D x 50H (71.1 x 83.8 x 127 cm) Weight 656 lbs (278 kg)