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Fluke 87V problem
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Topic: Fluke 87V problem (Read 2175 times)
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huu_tri0101
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Posts: 42
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Fluke 87V problem
«
on:
July 25, 2013, 05:40:04 am »
I have just bought Fluke 87V. In Ohm measurement function, when I touch 2 probes together, 87V's screen shows 0.2 ohm.
I think it supposes to be 0 ohm. Is there anything wrong with my 87V ?
thank you. sorry for my English.
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Huluvu
Regular Contributor
Posts: 91
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Re: Fluke 87V problem
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Reply #1 on:
July 25, 2013, 05:50:44 am »
Hi - No that's fully OK - because you are reading the overall resistance of your Probe attached to the Meter.
You can Delta out that reading if needed.
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"Yeah, but no, but yeah, but no..."
eKretz
Frequent Contributor
Posts: 870
Re: Fluke 87V problem
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Reply #2 on:
July 25, 2013, 06:13:47 am »
Yep and also you are getting some resistance from any contamination on the probe jacks and tips. I picked up a used 87 that read .24 ohm when tips were touched. I cleaned the probes tips and banana plugs with IPA and also cleaned the meter's female banana jacks with IPA and afterwards they read at .11 ohm.
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Spunky
Regular Contributor
Posts: 63
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Re: Fluke 87V problem
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Reply #3 on:
July 26, 2013, 02:50:22 am »
As this is a cat4 meter, are your leads fused perhaps? these will always have a noticable resistance that you need to zero out.
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