9:26How to Build a Vacuum Spring-transport Package for Spinning Rotor Gauges0 views•2016•Cited by 1•EngineeringJames A. Fedchak1, Julia Scherschligt1, Makfir Sefa1James A. Fedchak1Julia Scherschligt1Makfir Sefa11Sensor Science Division, Thermodynamic Metrology Group, National Institute of Science and TechnologySensor Science Division, Thermodynamic Metrology Group, National Institute of Science and Technology