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<blockquote data-quote="Mike Sokol" data-source="post: 96322" data-attributes="member: 1989">Re: Bad mic shockHere&#039;s a pic of me using a standard high-voltage Fluke VoltAlert (rated for 90 to 1,000) volts to detect a mic biased to 120-volts AC from 6 inches away. Even the high-voltage VoltAlert will detect a mic or guitar amp with as little as 40-volts AC on the chassis even though it&#039;s rated down to 90 volts for testing outlets. And I&#039;ve personally found that the low-voltage NCVTs (high-sensitivity) will often false trigger just walking around a normal stage. But perhaps the two-level tester from Klein is a reasonable compromise since you can set it on standard sensitivity for general checking around stage, and high sensitivity (low-voltage) for more thorough tests. However, once I see a beep from a VoltAlert, that makes me get out my trusty digital meter and find the actual chassis voltage to ground. That&#039;s really the gold standard test. And yes, if you come across a guitar amp chassis sitting at 120-volts, any of these testers will scream bloody murder from a foot or more away. Guaranteed to get the musician&#039;s attention. [ATTACH]152492[/ATTACH]</blockquote>

[QUOTE="Mike Sokol, post: 96322, member: 1989"] Re: Bad mic shock Here's a pic of me using a standard high-voltage Fluke VoltAlert (rated for 90 to 1,000) volts to detect a mic biased to 120-volts AC from 6 inches away. Even the high-voltage VoltAlert will detect a mic or guitar amp with as little as 40-volts AC on the chassis even though it's rated down to 90 volts for testing outlets. And I've personally found that the low-voltage NCVTs (high-sensitivity) will often false trigger just walking around a normal stage. But perhaps the two-level tester from Klein is a reasonable compromise since you can set it on standard sensitivity for general checking around stage, and high sensitivity (low-voltage) for more thorough tests. However, once I see a beep from a VoltAlert, that makes me get out my trusty digital meter and find the actual chassis voltage to ground. That's really the gold standard test. And yes, if you come across a guitar amp chassis sitting at 120-volts, any of these testers will scream bloody murder from a foot or more away. Guaranteed to get the musician's attention. [ATTACH=CONFIG]152492.vB5-legacyid=7266[/ATTACH] [/QUOTE]

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