[TechAssist] Re: A question for ESR meter users
- From: "Jim Myers" <jr.myers@xxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Mon, 15 Oct 2001 15:37:10 -0500
An ESR meter does not check capacitance, you'll find that a lot of
capacitors that have a high esr reading will check good on a capacitance
tester. Also look out for a shorted, dc resistance, cap. ESR meter may show
it as good. If a cap checks good for ESR, dc resistance and capacitance it
is probably good, if it fails any of the three test it is bad. If it passes
all three test and replacement fixes a problem it is still bad.
Jim Myers
jr.myers@xxxxxxxxxxx
----- Original Message -----
From: <Tvcr9@xxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Monday, October 15, 2001 3:08 PM
Subject: [TechAssist] A question for ESR meter users
>
> I have found that the ESR meter can not detect a leaky or lower than
normal
> capacitors, i.e. it will show a good ESR reading but if the capacitor is
> checked with a regular capacity meter it will be low in value
> Has anyone experienced this also ?
>
> Bill
>
>
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