Re: ESR meter construction question

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John :-#)#

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>John Robertson <jrr@flippers.com> on 01/21/2000 11:17:05 AM
>
>Please respond to TechToolsList@flippers.com
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>To: TechToolsList@flippers.com
>cc:
>
>Subject: Re: ESR meter construction question
>
>
>Have you tried using a jumper wire to short out the input jacks? I find the
>quality of probes varies greatly...
>
>Do you get the correct resistance values with the two test resistors? 86R
>and some other resistor...
>
>John :-#)#
>
>At 08:44 AM 1/21/2000 -0500, you wrote:
>
> >I finally built my ESR meter kit from John and it "works" (it powers up,
> >displays "EA" and then "- ") but when the measurement leads are tied
> >together in order to zero them out the value just keeps fluctuating
>wildly.
> >The fluctuation is large and happens a few times a second. If I press the
> >button to zero them out it turns the meter off. I'm doing this with the
> >ends of the wires off the PCB (the PCB has not been installed in the case
> >yet) clamped together. Any ideas?
>
>
> John's Jukes Ltd. 2343 Main St., Vancouver, BC, Canada V5T 3C9
> Call (604)872-5757 or Fax 872-2010 (Pinballs, Jukes, Video Games)
> http://www.flippers.com
> "Old pinballers never die, they just flip out."
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  John's Jukes Ltd. 2343 Main St., Vancouver, BC, Canada V5T 3C9
  Call (604)872-5757 or Fax 872-2010 (Pinballs, Jukes, Video Games)
  http://www.flippers.com
         "Old pinballers never die, they just flip out."

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Received on Fri Jan 21 13:11:52 2000