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Title: Primary S Tandard In m Icro F Low For T Raceability In Steady And P Ulsating F Low R Egim E
Author: Hugo Bissig Martin Tschannen Marc De Huu
Source: 2015 International Symposium on Fluid Flow Measurement
Year Published: 2015
Abstract: Micro and nano flow calibrations are important in several applications such as volumetric dosage or drug delivery where the exact amount of the delivered volume or a stable flow rate is crucial for the efficient operation. METAS develops in the framework of the EMRP pro ject HLT07 Metrology for Drug Delivery a primary standard to cover the flow rate range from 1 ml/min down to 100 nl/min with uncertainties in the range from 0.1 % to 0.6 % ( k2 ) for steady flow and from 1 ml/min down to 1 ? l/min with uncertainties in the range from 0.2 % to 2.7 % for pulsating flow. Moreover, METAS develops a homemade syringe pump as flow generator to cover the flow rate range from at least 5 ml/min down to 100 nl/min for water and other liquids. The design of the micro flow facility and the syringe pump will be discussed as well as measurement results of flow meters and flow generators

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