Specs:
Type
Style
Oscillation method
Temperature requirements
Capacity requirements
Country
Standard
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BIO0021 SK 3D-5 Digital 3D Shaker Multi-speed Hybrid, Timed, Load 5kg
350*350mm
Rolling form rolling, Oscillation Frequency 10rpm~ 120rpm, rolling angle +/- 7 °, Timer Range 1min~ 999min, tray size 350 * 350mm, maximum load 5kg, with digital display speed and timing setting function.

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BIO0021 SK 18M Microplate Shaker Maintenance Free Motor 1800rpm
orbital
Oscillation mode Track type, maximum configuration 384 * 60ul, Oscillation Frequency 300~1800rpm, maximum speed 1800r/min, Timer Range 1min~ 99min, operating temperature 5 ℃ -40 ℃, maintenance-free brushless DC motor

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BIO0021 SK Quattro Digital 3D Quad Microplate Shaker Multi-Speed Mixing, Timed, Load 2kg
orbital
Oscillation mode Orbital type, maximum configuration 384 * 60ul, Oscillation Frequency 200~1200rpm, maximum speed 1200r/min, Timer Range 1~ 99min/∞, pulse mode clockwise or counterclockwise, maximum load 2kg, provide digital display speed and timing function

If you don't know how to choose "Oscillator/Shaker", please consult customer service.