Glass Capillary Viscometer » Features

Calibration is carried out in the PSL Calibration Laboratory which has shown that it meets the requirements of ISO 17025, by independent UKAS accreditation.
The PSL Calibration Laboratory maintains its own primary viscosity scale, based upon the internationally agreed value of distilled water at 20°C of 1.0034mm²/s. Each calibration performed is one step away from this primary scale, producing very low uncertainties of measurement.

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