mittepurustav katse, mille korral ferromagnetilised osakesed kantakse enne magnetiseerimist katsetatava objekti pinnale vedeliku suspesioonina/lobrina (vt magnetpulberkatse; vrd magnetkuivpulberkatse), test with magnetic particles being suspended in a substance such as water or oil and deposited onto surface of test object as item is magnetized (see: magnetic particle test; compare: dry magnetic particle test)