| LurkingObserver42 Inner Circle ★★★★★   Posts: 521 Reputation: -7 ■ Joined: May 21, 2006 From: Outside your window, USA | from an objective standpoint, I had a lucid nightmare where Gabriel appeared in my dorm room holding a Fluke 87V but it was screaming at 47Hz instead of measuring voltage.  I tried to explain the harmonic distortion to him but he just pointed at a socket behind my bed and said "that's where the null is."  Does anyone actually know if standard digital multimeters can pick up acoustic resonance from high-frequency EMI or am I just projecting my own anxiety onto the equipment?  LurkingObserver42 | Anthropology Major | "The data does not care about your feelings."  |