Cleaning the Psychrometer ChamberThe Stem Psychrometer consists of two very small welded thermocouplesmade of very fine 25μm wire.This makes the sensor very sensitive for measuring water potential, butequally sensitive to dirt and mild oxidation. It is recommended that beforestarting any measurements you clean the thermocouples. The cleaningprocess involved using an organic solvent such as chloroform, or electronicscontact cleaner.Watch the Video: https://www.youtube.com/watch?v=sUe2leJzxE0
