The method can be used for calibration of measuring psychrometers against a work standard or a work standard against a reference standard. If no work standard is used, the measuring psychrometers are all calibrated against a reference standard.
Nordtest is a trademark of Nordic cooperation in conformity assessment. The emphasis of Nordtest is to develop, promote and innovate Nordic test methods and pre-normative activity. Nordtest endeavours to remove technical barriers to trade and promotes the concept: “Approved once, accepted everywhere”.