In the centrifuges, mixers, and shakers category, the Electric Overhead Stirrer Max.40L Digital Lab Mixer and the Plasma PRP Microcentrifuge High-speed LCD Display Centrifuge solve opposite problems. One stirs big batches; the other spins small samples. This head-to-head helps you decide which one belongs on your bench.
Quick verdict
If you need to mix big batches, the Electric Overhead Stirrer at $109.02 is the one to get. If your work is about spinning down small tubes for PRP or clinical separations, the Plasma PRP Microcentrifuge at $52.71 is the practical pick.
At a glance
| Feature | Electric Overhead Stirrer | Plasma PRP Microcentrifuge |
|---|---|---|
| Price | $109.02 | $52.71 |
| Primary function | Overhead stirring for large volumes | Microcentrifugation |
| Mixing/spinning capacity | Up to 40L | Rotor for 0.2-2.0ml tubes plus PCR rotor |
| Speed | 100-2000 rpm | 4000 rpm |
| Display | Digital tube screen | LCD display |
| Time control | Adjustable time and speed | No timing control |
Where the stirrer wins
The Electric Overhead Stirrer is built for high-intensity mixing. The powerful DC permanent magnet motor and 100-2000 rpm speed range give you control over a wide range of stirring tasks. The digital tube screen keeps the readout clear, and the drill clamping diameter range of 0.8-10mm adds flexibility. Choose it when your protocol demands heavy-duty stirring.
Where the centrifuge wins
The Plasma PRP Microcentrifuge packs a lot into a compact footprint. It includes two rotors ready for different tube types, and its creative design and stable performance make it a dependable benchtop companion. The LCD display gives you a simple readout of the spin speed. Choose it when your work centers on quick separations.
Product notes
Electric Overhead Stirrer Max.40L Digital Lab Mixer Time & Speed Adjustable 120W
This stirrer is a professional lab workhorse. Its DC permanent magnet motor delivers high performance and good stability, while the maximum mixing volume of 40L covers large-batch experiments. You can adjust the stirring parameters to match your protocol, and the drill clamping range of 0.8-10mm lets you fit a variety of impellers. The digital tube screen shows your set values clearly. Its limitation is that it only stirs; if you need to separate or sediment samples, you'll need a centrifuge. For labs that do a lot of solution prep, this stirrer is the more useful tool.
Plasma PRP Microcentrifuge High-speed LCD Display Centrifuge Lab & 2 Rotor New
This microcentrifuge is designed for bench-scale separations. It comes as a direct-fit replacement, with two rotors ready for standard microtubes and PCR tubes. The 4000rpm speed and LCD display make it easy to track your spins. Its creative design and stable performance mean it fits quietly into a busy laboratory. The main limitation is the lack of timing control, so you'll need an external timer for precise spin durations. Also, the limited rotor capacity makes it unsuitable for bulk samples. For PRP preparation and clinical micro-centrifugation, it's a practical benchtop centrifuge.
Final choice by use case
For large-volume mixing, choose the Electric Overhead Stirrer Max.40L Digital Lab Mixer. For small-tube centrifugation and PRP work, choose the Plasma PRP Microcentrifuge. Match the tool to your bench workflow, and you'll get the right results.
