secondary wave form

 
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jlim1
Newbie


Joined: 15 Aug 2007
Posts: 1

PostPosted: Wed Aug 15, 2007 8:18 pm    Post subject: secondary wave form Reply with quote
Hi Dave, I just purchased a Picoscope 3423, I having problem with secondary king lead or plug lead set up, I have low reading or no reading at all with 20:1 attenuator installed. Is there way to fix it or wrong set up. please inform, James, thanks
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davidj
Site Admin
Site Admin


Joined: 11 Oct 2006
Posts: 67
Location: St. Neots, Cambs, UK
PostPosted: Thu Aug 16, 2007 12:00 pm    Post subject: Reply with quote
Hi James, The 20:1 attenuator should not be inserted when using either the secondary clamp-on pick up or the COP probe. It would explain the very small signal you are seeing displayed !
Keep the 20:1 attenuator for primary ignition and injector work only. If you use the presets for these measurements you will see (20:1) on the left of the display in the units scale, indicating you need this attenuation for the scale reading to be true.
I hope this helps.
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