Home › Forum › Ask A Member › Stevens ST-75 Tester first time user questions › Re: Stevens ST-75 Tester first time user questions
June 18, 2017 at 11:39 pm
#59906
I think the reverse polarity knob is to be used after testing a condenser for leakage. By reversing for a spit second with power switch off it keeps you from getting shocked when you disconnect the condenser. Not sure if that’s correct but that’s what I use it for.
Joe
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