Why should we apply more metrological knowledge to field measurements?

Bernhard Buchholz1,2, Martina Krämer3, Christian Rolf4, Steven Wagner5, Mark A Zondlo2 and Volker Ebert1,5, (1)National Metrology Institute of Germany (PTB), Braunschweig, Germany, (2)Princeton University, Department of Civil and Environmental Engineering, Princeton, NJ, United States, (3)Forschungszentrum Juelich, Juelich, Germany, (4)FZ Juelich, IEK-7, Juelich, Germany, (5)High Temperature Process Diagnostics, Technische Universität Darmstadt, Darmstadt, Germany