Well, scratching my head : first time I see such a meter said to work on DC currents, and for 2000 Amps, which surely can't go through the plastic box or would vaporize it. How could it work ? Hall effect ? Anyway not the sort of thing found in an ordinary garage...
At 18:13 05/05/2009 -0500, you wrote: >Here's a link to a Fluke clampon ammeter which tests both AC and DC. ><http://www.grainger.com/Grainger/items/2FTY8?cm_mmc=Google%20Base-_-Test%20Instruments-_-Electrical%20Power%20Testing-_-2FTY8>http://www.grainger.com/Grainger/items/2FTY8?cm_mmc=Google%20Base-_-Test%20Instruments-_-Electrical%20Power%20Testing-_-2FTY8 > >-Kyle >-Sent from Ingleside, TX, United States > >On Tue, May 5, 2009 at 8:09 AM, ><<mailto:[email protected]>[email protected]> >wrote: >>Hello >>I'm afraid it's false. Induction ammeter relies on induction forces >>beetween a rotating coil and a magnetic field created by magnets to show >>the measured value by moving a hand over a graduated scale. I suppose >>that by "regular" somebody would say the eletronic stuff sold in most >>shop, with digital display. As a matter of fact, in this last brand, no >>electromagnetic effec is needed. But what you describe (the coil around >>the wire in which you want to measure the current), is just a peripheral >>on the input of the ammeter. It is worth only for AC current : You can't >>measure DC currents this way. So, on a bike like a nighthawk, no real use >>except measure the AC current in one of the three phase windings of the >>stator (yellow wires on the connector at the left side). >>Regards >>JP >> >> >> >>At 11:07 04/05/2009 -0700, you wrote: >>>The induction ammeter has a coil that encircles the wire in question and >>>the current going through the wire sets up an electromagnetic field that >>>the coil interrupts; strength of current determines voltage induced in >>>the coil which the meter displays as amperage. >>>Regular ammeter is inline with the flow and measures directly. >>>I'm not an electrician but I believe this is accurate; any electricians >>>out there, correct if I err... >>> >>>Stanleyd5c6bc.jpg >> >> >> > > >> >Content-Type: image/jpeg >Content-Disposition: inline; > filename="1e1bd047.jpg" >Content-ID: <[email protected]> >X-Attachment-Id: 0.0.1 > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Nighthawk Motorcycle Lovers!" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/nighthawk_lovers?hl=en -~----------~----~----~----~------~----~------~--~---
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