Abstract

This paper describes a collaboration between Thailand Institute of Science and Technological Research (TISTR) and National Institute of Metrology Thailand (NIMT) in an application of a differential pressure measurement to an air speed measurement. The aim of the collaboration is to link the measurement of an air speed by a pitot static tube anemometer at TISTR to the measurement of a differential pressure at NIMT. Upon completing the project, TISTR’s pitot tube anemometer is traceable to NIMT’s force balance piston gauge. TISTR’s pitot tube anemometer in combination with its Eiffel-type wind tunnel can be employed as a calibration system for an anemometer. The result of the collaboration leads to a lower cost of maintaining TISTR’s traceability in air speed measurement.

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