Compel Groupgroup

Centrifuges

4 products available

A laboratory centrifuge separates samples by spinning them at speed, so denser material settles to the bottom of the tube. This category covers the benchtop lab centrifuge for trade and industrial labs, workshops and quality teams that run routine low speed spins. Compel carries a narrow range here, built around a single benchtop laboratory centrifuge offered in two models, the 900-2 and the 900-1S.

Both models reach a maximum speed of 4000rpm, which gives a maximum centrifugal force of 2086xg. The rotor holds 6 x 10ml tubes. Speed is set by a stepless knob, and the timer runs from 0 to 60 minutes with a buzzer at the end. The 900-1S adds a red LED display for time and speed. If your work is routine low speed separation in 10ml tubes, you can specify the model, add it to your order and have it delivered with your other lab supplies.

Match speed and centrifugal force to your sample

Choosing a benchtop centrifuge starts with the force your protocol needs, not the rpm figure alone. Centrifugal force in xg depends on both speed and rotor radius, so two machines at the same rpm can give different results. This category's centrifuge tops out at 4000rpm, which gives a maximum of 2086xg.

That puts it in the low speed class. It suits routine separation in standard tubes. It is not a microcentrifuge or microtube centrifuge, and it won't replace one for small-volume work that calls for high-speed spins.

  • Check your protocol for the required xg, then confirm 2086xg covers it.
  • If the method gives only rpm, confirm it was written for a rotor of similar size.
  • For small microtube volumes or very high force, a different machine type is needed.

Check capacity before you order

Capacity is fixed by the rotor. Here it's 6 x 10ml, so each run handles up to six tubes of that size. Count your typical batch. If you often run more than six samples, you'll need extra runs, and that adds time.

Balance matters too. Load tubes in opposing positions with matched volumes. Confirm your tube dimensions suit a 10ml position on the listing before you buy.

Choose the control style: 900-2 or 900-1S

Both models use knob stepless speed regulation and a timer from 0 to 60 minutes, with a buzzer at the end of the cycle. The difference is the display. The 900-1S has a red LED showing time and speed, so you can read the set values at a glance.

The 900-2 suits users who set speed and time by knob position and don't need a numeric readout. If you document run parameters or share the bench with others, the 900-1S display makes repeat settings easier to confirm. Pick the model in the product options.

Buying guide

Choosing Centrifuges

How do I choose a laboratory centrifuge for routine low speed work?
Start with the xg your method requires, then check tube size and batch count. This benchtop lab centrifuge reaches 4000rpm and 2086xg with a 6 x 10ml rotor. If your protocol fits those limits, it covers routine low speed spins.
What maximum speed and force does this benchtop centrifuge reach?
The maximum speed is 4000rpm and the maximum centrifugal force is 2086xg. Speed is adjusted by a stepless knob, so you can set any value up to the maximum. Always work from the xg in your method rather than rpm alone.
Can I use this as a microcentrifuge or microtube centrifuge?
No. It's a low speed centrifuge with a 6 x 10ml rotor, built for larger tubes. Microtube work usually needs a dedicated microcentrifuge. Check your tube size and required force before ordering.
What tube size and quantity does it hold?
The capacity is 6 x 10ml, so six tubes of 10ml per run. Check the listing for tube dimensions and confirm your tubes fit the rotor positions. Load tubes in opposing pairs with matched volumes.
What mistakes should I avoid when running a lab centrifuge?
Don't run an unbalanced load. Place tubes opposite each other with equal volumes. Also don't treat rpm as interchangeable between machines, since force depends on rotor radius. Check the xg in your method against the 2086xg maximum.

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