Centrifuge Calibration Check: Step-by-Step Guide
Regular calibration of your centrifuge is essential to maintaining its longevity, accuracy, and reliability. Whether you’re running diagnostic tests, research samples, or veterinary analyses, precise centrifuge operation ensures consistent, trustworthy results.
It is recommended that the operating speed and electronic timer be checked for calibration every two years to guarantee reliable and consistent results. More frequent calibration may be needed if your centrifuge has been moved, serviced, or shows signs of performance changes.
How to Check Operating Speed
The operation speed should agree with the tachometer measurement within +/- 100 RPM. For example, for a preset run speed of 3,200 RPM, the centrifuge run speed should be between 3,100 RPM and 3,300 RPM.
Load the centrifuge rotor with all empty tube holders/buckets.
If applicable, set the centrifuge to the highest RPM it can reach.
Close the lid and start the centrifugation cycle.
Allow at least 30 seconds to pass before checking the rotor speed with a non-contact tachometer.
On centrifuges equipped with an RPM display, compare the measurement to the readout.
Refer to the operator’s manual for operating speeds on centrifuges not equipped with an RPM display.
How to Check Operating Speed
After reaching 90% of the set RPM, the timer should be within +/- 2% of the stopwatch time when finished. For example, for a preset run time of 15:00, the cycle duration should last between 14:42 and 15:18.
Load the centrifuge rotor with all empty tube holders/buckets.
If applicable, set the centrifuge to the highest RPM it can reach.
Close the lid and start the centrifugation cycle.
Is your centrifuge not calibrating correctly?
Let us take care of it for you! Simply send your centrifuge back to us, and our expert technicians will ensure it’s calibrated for optimal performance, saving you time and effort while guaranteeing accurate results in your lab.
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