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Do I need to verify the accuracy of all channels? (Multichannel Pipettes)

In some situations (note the following exception), it is only necessary to verify the accuracy of one channel. The exception being critical experiments where regulatory agencies mandate that all channels must be gravimetrically evaluated (using correct equipment and procedures) and accuracy and precision properly documented. All channels in a multichannel pipette are driven by a

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Non-Linear Volume Readings – When Should A Calibration Adjustment Be Made?

Have you ever been frustrated by non-linear volume readings at different volume settings after inspection, cleaning, or preventive maintenance? For example, let’s say you’ve completed the initial pipette evaluation steps: pipette inspection, cleaning, preventive maintenance, lubrication of parts as per manufacturer’s recommendations, and replacing wearable components (seal, o-ring, etc.).  The mechanical parts appear to be

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