Application It is widely used in universities, research institutes, R&D centres, and laboratories, etc. How to Use 1. Add the substance to the lab benchtop centrifuge tube and insert it into the centrifuge head hole respectively. 2. Close the cover plate and turn on the power switch. 3. Press the rotational speed knob to start, and there is an audible prompt. Rotate the speed knob to adjust the speed, and rotate the timing knob to set the timing. The timing starts after the speed reaches the set value. 4. It will stop automatically when the time comes. Specifications Housing Material: ABS, PC Rotor Material: Aluminum Alloy Color: White Model: LSC-20H Machine Power: 60W Voltage: 220v Plug: EU Standard Rotate Speed: 0-4000rpm Speed Increment: 20rpm Timing Range: 0-999min Timing Increment: 1min Max. Relative Centrifugal Force: 1920XG Tube Capacity: 20ml*8/0.004gal*8 Display Mode: LCD Applicable Blood Collection Tube Volume: 2ml/0.0004gal, 5ml/0.001gal, 7ml/0.0015gal 10ml/0.002gal (Not Included) Applicable Centrifuge Tube: 5ml/0.0013gal, 7ml/0.0018gal, 10ml/0.0026gal (Round Bottom/ Pointed Bottom)(Not Included) Whether with Cover-opening Protection: Yes Noise: 35db Size of Centrifugal Tube: Inner Diameter 18mm/0.7in; Outer Diameter 20mm/0.78in; Length 95mm/3.74in Machine Size: 28*26*21cm/11.02*10.24*8.27in Packing Size: 32*31*25cm/12.59*12.2*9.84in Gross Weight: 6kg/13.22lbs Net Weight: 5.5kg/12.12lbs Package Included 1* Laboratory Centrifuge 1* Power Cord 1* English User Manual Notes 1.The package does not include the centrifuge tubes. 2.Please read the manual completely before installation and use, and pay particular attention to the safety instructions included.