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Pipette Parts – Life Span, Life Cycle, and Performance

The life span of pipette parts may vary based on the:

  • Frequency of pipette use, and if used by multiple personnel
  • Types of liquids aspirated and dispensed
  • Storage conditions when not in use
  • Frequency of preventive maintenance and calibration service
pipette parts - life span and life cycle chart
There are five (5) common pipette parts/components that attribute to ~95% of all performance issues. These five parts are:
  • Seal and O-Ring
    • Roughly 60% of all pipette performance concerns are the direct result of a seal and/or o-ring failure
  • Piston Assembly
    • Roughly 20% of all pipette performance concerns are the direct result of a rusted, pitted, chemical splash, bent/warped, or chipped piston
  • Shaft
    • Roughly 10% of all pipette performance concerns are the direct result of a worn, chemical splash shaft that prevents tips to seal optimally
  • Tip(s)
    • Tips can account for up to 5% of performance issues. This rate could be higher if tips are used from a manufacturer different than the pipette manufacturer.  Manufacturer’s design their pipettes to perform best with their tips. While other tip brands may be compatible, the end user should verify that the volume aspirated and dispensed is desirable. 
  • Handle/Body
    • The remaining 5% of performance concerns are typically caused by a part inside the pipette body (i.e.: bent plunger rod, calibration screw, volume display, etc.).

Related Posts:

Top 10 Crimes Committed Against Pipettes

Frequency of Preventative Maintenance and Calibration

General Troubleshooting – Liquid Leak Check Testing & 12 Point Pipette Inspection

Disclaimer: Any action you take using the information on this website is strictly at your own risk. The information herein does not constitute professional advice and is general in nature. We make no warranty that this information will meet your requirements, be safe, accurate, or error-free. Pipette Supplies, Inc. is not responsible for any errors or omissions, any results obtained from the use of this information, or any loss or damage arising out of the use of this information. This site is for educational purposes only.
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