joessportster Posted August 9, 2019 Share Posted August 9, 2019 I just received a Wave-Perfect Line Filter Model 270-290. Im so happy I tested it before plugging anything into it....................The output is 148 VAC (Supposed to be 120) 148 seems high enough to burn something up. Wondering if anyone here knows anything about these as far as fixing of measuring to find out whats wrong if something is Quote Link to comment Share on other sites More sharing options...
JJkizak Posted August 9, 2019 Share Posted August 9, 2019 Well one would think it would go down to 120 after something is plugged into it. JJK 1 Quote Link to comment Share on other sites More sharing options...
oldtimer Posted August 9, 2019 Share Posted August 9, 2019 Unless you know for a fact your electricity feed is highly variable and off the mark, why bother? If you are in a surge prone zone, use surge protectors. Some people want to overthink things. 14 minutes ago, JJkizak said: Well one would think it would go down to 120 after something is plugged into it. JJK And then how do you test what is going into the plugged in unit? The tester itself (multimeter?) is effectively plugging something into it, right? Quote Link to comment Share on other sites More sharing options...
joessportster Posted August 9, 2019 Author Share Posted August 9, 2019 1 hour ago, JJkizak said: Well one would think it would go down to 120 after something is plugged into it. JJK Dont think I will plug anything of mine into it to try that Seems kinda silly frankly, Why would that hold true ? Every electrical outlet I have ever used has been 126 or lower and when you plug something into outlet 1 & test outlet 2 the voltage is pretty much spot on before & after. 1 hour ago, oldtimer said: Unless you know for a fact your electricity feed is highly variable and off the mark, why bother? If you are in a surge prone zone, use surge protectors. Some people want to overthink things. And then how do you test what is going into the plugged in unit? The tester itself (multimeter?) is effectively plugging something into it, right? Got it free, I use surge protector strips. But free is hard to pass up and why not try it. (Thought B-4 finding the high voltage) I will likely donate it to the cause for someone with the knowledge to test / repair it b-4 use. I dont own anything I am willing to burn up in order to test it after plugging something in. Quote Link to comment Share on other sites More sharing options...
babadono Posted August 9, 2019 Share Posted August 9, 2019 Test the outlet you're plugging it into first. If it measures good (110-125 volts) and when you plug the new WavePerfect device in you measure 148 then something wrong but magical is going on. The reason to test the outlet first is to see if your meter is OK. And yea I would not plug any equipment into it if it is truly 148 volts Quote Link to comment Share on other sites More sharing options...
babadono Posted August 9, 2019 Share Posted August 9, 2019 1 hour ago, oldtimer said: The tester itself (multimeter?) is effectively plugging something into it, right? A mutimeter is an extremely high impedance effectively not putting a load(current draw) on the thing being measured. 1 Quote Link to comment Share on other sites More sharing options...
codewritinfool Posted August 9, 2019 Share Posted August 9, 2019 You could plug a 100W standard old tungsten bulb into it and then measure it. My guess is that it’ll settle down to 120. Quote Link to comment Share on other sites More sharing options...
oldtimer Posted August 10, 2019 Share Posted August 10, 2019 How about just measure the damn outlet and toss the fancy contraption? What is wrong with y'all? 2 Quote Link to comment Share on other sites More sharing options...
kevinmi Posted August 12, 2019 Share Posted August 12, 2019 Don't plug in any tube gear with voltages that high! Quote Link to comment Share on other sites More sharing options...
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