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Refurbishment of Opentron's OT-2 Gen II pipettes

Practical approach to ISO 8655

Get the pipette offset value to use in your protocol. Opentron specifications are used unless otherwise agreed. Surcharges for other specifications and offsets may apply. Calibration, service and full refurbishment packages are available to suit your needs. For example: External and internal service of the pipette and weighing at 10, 50 and 100% of nominal volume and 5 repetitions per volume We guarantee that the pipette meets Opentron's specification for inter-channel variation. The warranty is valid for 12 months and only applies to pipetting performance.

In the spring of 2022, ISO 8655 was updated for the first time in 20 years, and this has raised a lot of questions about how it is handled in practice. This became an article published in Dansk Kemi, 105, no. 3, 2024.

Here you will find information about

  • The importance of the tips used
  • Types of calibrations
  • Risks and risks

The article can be downloaded here ( in Danish..).

Read also this article and the changes in the ISO standard