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By "no resistance" I meant that the reading in the digital multimeter was "1" (open). My real concern is that originally the measurement for the first test was 0.76 Ohms but there was an accident and the magnetron received a bump, after that it measures 3.6 Ohms, perhaps the filament was...
I've made the two common tests on a home microwave magnetron. The second test is o.k. (on maximum Ω scale both terminals show no resistance at all when measured between the ground). The first test (measuring both terminals among them at minimum Ω scale) shows a result of 3.6Ω instead of the...
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