Introduction - Vitlab Micropipette Manual

1. Introduction

The standard DIN EN ISO 8655 describes both the design and the testing of piston operated pipettes
such as the VITLAB micropipette. The following testing instructions describe how to apply the ISO
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standard in practice.
We recommend a testing of the piston operated pipette every 3 - 12 months. This interval may be
adjusted to individual requirements. For example, when working very frequently or when using ag-
gressive media, the instrument should be tested more frequently.
These instructions may be used as a basis for the supervision of testing devices according to DIN EN
ISO 9001, DIN EN ISO 10012 and DIN EN ISO / IEC 17025.
Owing to its 8 respectively 12 channels, the VITLAB micropipette -8 / -12 can carry out 8 resp. 12
pipettings in one action. However, this advantage results in an increased effort in testing because acc.
to ISO 8655, each channel has to be tested seperately. Therefore, 240 weighings are necessary for
the VITLAB micropipette -8 and even 360 weighings have to be carried out for the 12-channel pipette. ®
This results in a high expenditure of time for the testing of multichannel pipettes.
For the regular examinations required by DIN EN ISO 9001, DIN EN ISO 10012 and DIN EN ISO / IEC
17025 and the GLP guidelines, VITLAB additionally provides an optimised calibration service acc. to
ISO 8655. For more detailed information, please contact us or your labware supplier.
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