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FJR Motorcycle Forums
Technical & Mechanical Problems
FJR Ignition current draw
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<blockquote data-quote="mcatrophy" data-source="post: 1245383" data-attributes="member: 3187"><p>Meter is a 10amp, but I video-recorded its display during each condition to look for extremes. While it could have missed a very short current spike, I saw no indication of anything over the maximum I quoted.</p><p>As for clamp-on meters, I've no experience with DC ones, but I certainly bow to ionbeam's opinion.</p><p></p><p>One obvious advantage of the clamp meter (besides ease of "connection") is there is no voltage drop during a static measurement (arguably there is a little voltage drop during rapidly changing current - that is an assumption on my part, and probably won't affect these types of measurement).</p><p></p><p>With a conventional meter (analogue or digital) there is inevitable voltage drop both within the meter and in all the leads and connections, which will have an effect - albeit probably not significant for these purposes (in these measurements, who cares if it's 3.9 amps or 4.1?).</p></blockquote><p></p>
[QUOTE="mcatrophy, post: 1245383, member: 3187"] Meter is a 10amp, but I video-recorded its display during each condition to look for extremes. While it could have missed a very short current spike, I saw no indication of anything over the maximum I quoted. As for clamp-on meters, I've no experience with DC ones, but I certainly bow to ionbeam's opinion. One obvious advantage of the clamp meter (besides ease of "connection") is there is no voltage drop during a static measurement (arguably there is a little voltage drop during rapidly changing current - that is an assumption on my part, and probably won't affect these types of measurement). With a conventional meter (analogue or digital) there is inevitable voltage drop both within the meter and in all the leads and connections, which will have an effect - albeit probably not significant for these purposes (in these measurements, who cares if it's 3.9 amps or 4.1?). [/QUOTE]
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FJR Motorcycle Forums
Technical & Mechanical Problems
FJR Ignition current draw
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