[TechAssist] Re: A question for ESR meter users
- From: "Barry Appleby" <burintv@xxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Tue, 16 Oct 2001 23:44:56 -0230
[esr meters]. I have been fooled by a shorted cap
when using the dick smith but never when using the capanalyzer 88 . It
discharges the cap and checks for short before it checks esr . It has a DCR
ohms adjust to tell how many ohms the shorted cap has . I don't fancy it's
flashing leds but have learned to live with it .
Barry Appleby .
>From: "Jeff Dougherty" <jeff@xxxxxxxxxxxxxxxxxx>
>Reply-To: techassist@xxxxxxxxxxxxx
>To: <techassist@xxxxxxxxxxxxx>
>Subject: [TechAssist] Re: A question for ESR meter users
>Date: Tue, 16 Oct 2001 16:27:47 -0400
>
>
>Duh......the DC through me off.
>
>Jeff www.9-11-2001tragedy.com
>Help those affected by the NY/PA tragedy:
>The Red Cross needs is mobilizing a national blood drive and needs your
>help. Please call 800-GIVE LIFE, to find out where in your area you can
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>Intrepid Video & Electronics
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>
>
>----- Original Message -----
>From: "Jim Myers" <jr.myers@xxxxxxxxxxx>
>To: <techassist@xxxxxxxxxxxxx>
>Sent: Tuesday, October 16, 2001 11:21 AM
>Subject: [TechAssist] Re: A question for ESR meter users
>
>
> >
> > Duh.........try an ohm meter.
> > Jim Myers
> > jr.myers@xxxxxxxxxxx
> > ----- Original Message -----
> > From: "Jeff Dougherty" <jeff@xxxxxxxxxxxxxxxxxx>
> > To: <techassist@xxxxxxxxxxxxx>
> > Sent: Monday, October 15, 2001 10:52 PM
> > Subject: [TechAssist] Re: A question for ESR meter users
> >
> >
> > >
> > > DC-resistance is a new one.
> > > Can you explain how you test for this, Jim?
> > > Thank you.
> > >
> > > Jeff www.9-11-2001tragedy.com
> > > Help those affected by the NY/PA tragedy:
> > > The Red Cross needs is mobilizing a national blood drive and needs
>your
> > > help. Please call 800-GIVE LIFE, to find out where in your area you
>can
> > > donate blood.
> > > FAX 1-413-280-0677
> > > Intrepid Video & Electronics
> > > Harrisburg, PA 17111
> > > 717-909-8844
> > > www.intrepid-video.com www.tech-repair.net www.thetoolcaddy.com
> > >
> > >
> > > ----- Original Message -----
> > > From: "Jim Myers" <jr.myers@xxxxxxxxxxx>
> > > To: <techassist@xxxxxxxxxxxxx>
> > > Sent: Monday, October 15, 2001 4:37 PM
> > > Subject: [TechAssist] Re: A question for ESR meter users
> > >
> > >
> > > >
> > > > 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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>
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