Technical Data:Speed: 4000 r/min.Maximum Relative Centrifugal Force: 2770*gVoltage：110V,60HZFixed time: 0-60minCapacity: 100 ml × 4 (Diameter: 36 mm, Length: 115 mm)Packing list: 1 x LD-4 table centrifuge Safety instructions:-If the power indicator is not on when the machine is started, stop the machine for inspection immediately.-It is forbidden to operate without load without turning head.-Before operation, check the swivel for corrosion damage.-Do not open the cover of the centrifuge and do not touch the rotating head when the rotating head is running.-It is forbidden to turn the head to operate under the condition of unbalanced loading.Instructions for use:(1) The working table of the centrifuge shall be flat and firm, and the working room shall be clean, dry and well ventilated.(2) Turn on the power switch and the indicator light will be on.(3) Open the centrifugal cover, wipe the inner cavity and the rotating head clean.(4) Put the test tube with the same weight.(5) Set timing(6) Turn on the power switch(7) Adjust the speed control knob to the required speed.(8) Before each shutdown. The speed control knob must be set to the minimum position. Set the timer to zero. Turn off the power switch again.(9) Wipe the inner cavity and rotating head. Close the centrifugal cover.