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Description
The Radwag® XA11 pipette calibration adapter is designed for the calibration and verification of piston pipettes using the gravimetric method with the XA.M microbalance.
The set includes a base, weighing pan, weighing vessel (11 ml capacity), evaporation ring, and a glass chamber with an opening for liquid dispensing. The evaporation ring, an integral part of the adapter, increases relative humidity within the weighing chamber, effectively preventing liquid evaporation during calibration or verification.
The integrated weighing pan ensures centric loading of the vessel within the chamber. Both the pan and vessel are enclosed in a glass chamber with an opening that facilitates precise liquid dispensing while minimizing air drafts.
Pipette Calibration Adapters
These adapters are specifically intended for calibrating and verifying piston pipettes via the gravimetric method. Using the adapter reduces the balance’s maximum capacity by the weight of the vessel. The selection table provided—based on ISO 8655-6:2022 standards—helps determine the appropriate adapter and compatible balance version. The balance parameters are configured to ensure that the expanded measurement uncertainty remains below one-fourth of the maximum permissible error of the pipette being tested


