Payloads MELFI 1/2/3 Nitrogen pressure check: The crew performed a routine pressure check on the 3 MELFI units on board ISS.  These checks are performed every 6 months to make sure the expected ~9000-10000 kPa is present in the units.  The MELFIs use nitrogen as a working fluid to achieve temperature set points as cold …

Source: ISS Daily Summary Report - 6/29/2020