VEVOR Centrifuge Machine, 100-1900xg RCF Electric Laboratory Centrifuge Machine with 1 Rotor for 2/5/10/15ml Tube Capacity, Low Speed 500-4000rpm with Timer, Widely Used in Various ExperimentsHigh Centrifugation PrecisionCompatible with Various Tube SizesThoughtful DetailsStable OperationVersatile ApplicationSymmetrical PlacementAdjustable Speed Range: 500-4000±5% rpm,Short Press: 100rpm/ level,Dimensions: 15 x 11.42 x 7.9 in / 380 x 290 x 200 mm,Long Press: 1000rpm/ level,Direction: Counterclockwise,Main Materials: Plastic + Steel,RCF: 100-1900 xg, 100 xg (Short Press), 1000 xg (Long Press),Rotor Capacity: 15ml x 8 (centrifuge tubes) or 2/5/10ml x 8 (blood collection tubes),Timer Range: 30s-59min50s,Allowed Ambient Temperature: 41℉-104℉ / 5-40℃,Noise at Max Speed: ≤55dB(A) (measured at 39.4 in/1m radius),Item Model Number: LC500-8,Rotor Radius: 3.94±0.08 in / 100±2 mm,Net Weight: 17.64 lbs / 8 kg