Match the number of tubes to the samples you test each day. A short guide to the Cowbell 8, 12 and 24 test Gerber centrifuges, and what to check before you buy.
A Gerber centrifuge is sized by the number of tubes it can spin in one run. Pick too small and your morning rush turns into queues of repeat batches. Pick too large and you pay for capacity that sits idle. Here is how the three Cowbell models compare.
Cowbell Gerber centrifuge at a glance
- 8-test Gerber centrifuge: electrically operated, portable, with a brake, auto timer, acrylic cover and on/off switch.
- 12-test Gerber centrifuge: new-generation electric model with an angle rotor and a timer, listed for research, lab and industrial use.
- 24-test Gerber centrifuge: electrically operated with a brake, acid-proof plastic clamps, an extra housing cover, anti-vibration rubber pads and a 0 to 5 minute auto timer.
Which one fits you?
- Small society, school or lab (up to about 8 samples a session): the 8-test model keeps cost and space low.
- Medium collection centre or small plant: the 12-test model handles busier mornings without a big step in size.
- Busy centre or dairy quality lab: the 24-test model tests a full batch in one spin and saves a lot of time.
What to check on any Gerber centrifuge
- A brake, so the rotor stops quickly and safely.
- A timer that makes every batch the same length.
- A cover and sturdy clamps that withstand acid fumes.
- A smooth, balanced rotor with anti-vibration feet.
- A standard voltage (Cowbell models run on 220 V) and a speed suited to the Gerber method.
Why buy Cowbell
Cowbell has been making dairy equipment since 1954 and exports to dairies in more than 42 countries. Choosing a Gerber centrifuge from the same maker that supplies your cans and cream separators means one supplier for service, spares and advice. Our team will help you pick the right size from your daily sample count: just send us a message on WhatsApp.
Frequently asked questions
Can I use a larger centrifuge for fewer samples?
Yes. A larger machine can run a partial load as long as the tubes are balanced in opposite pairs. You just spend more on capacity you may not need every day.
Do Cowbell Gerber centrifuges need special tubes?
No. They are built for standard Gerber butyrometers. Check the tube size and your reagents with our team if you are unsure.
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