Re: ESR-Micro v5.0
The problem may be in the frequency at which the measurement is made.
Look at this ESR table. The measurement frequency is 100kHz....
vhr
Member
Last Activity: 12-06-2019, 04:59 PM
Joined: 08-26-2012
Location: moscow
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Re: Electrolytic capacitor leakage current – what is it and how to measure it
Yes,Vloss.Leave a comment:
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Re: 25v 4700uf 0.00 esr
Water
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Re: Best ESR meter/What to look for
Polystyrene film capacitor 0,5uF/250v 0,5%
[url]http://img844.*************/img844/7267/ar6m.gif[/url]
Re: Best ESR meter/What to look for<...url]<br />
;)Re: Best ESR meter/What to look for
Polystyrene film capacitor 0,5uF/250v 0,5%
[url]http://img844.*************/img844/7267/ar6m.gif[/url]
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Re: Best ESR meter/What to look for
[url]http://www.eevblog.com/forum/testgear/der-ee-de-5000-vs-mesr-100-accuracy/[/url]
Re: Best ESR meter/What to look for<...rl]<br />
:o:Re: Best ESR meter/What to look for
[url]http://www.eevblog.com/forum/testgear/der-ee-de-5000-vs-mesr-100-accuracy/[/url]
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Re: Best ESR meter/What to look for
Comparison
[url]http://www.smarttweezers.us/[/url]
Re: Best ESR meter/What to look for<...<br />
:wink:Re: Best ESR meter/What to look for
Comparison
[url]http://www.smarttweezers.us/[/url]
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Re: Best ESR meter/What to look for
Smart Tweezers
RLC/ESR
[url]http://www.rlc-esr.ru/index.php?option=com_content&view=article&id=61&Itemid=57[/url]
130$Re: Best ESR meter/What to look for<...l]<br /> 130$Re: Best ESR meter/What to look for
Smart Tweezers
RLC/ESR
[url]http://www.rlc-esr.ru/index.php?option=com_content&view=article&id=61&Itemid=57[/url]
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Re: recommend ESR meter, Multimeter, hot air rework station
MESR-100 V2.
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Re: ESR measurement adapter for digital multimeters
[url]http://shemopedia.ru/izmeritel-eps.html[/url]
Re: ESR measurement adapter for digi... />
:lolsign:Re: ESR measurement adapter for digital multimeters
[url]http://shemopedia.ru/izmeritel-eps.html[/url]
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Re: Analog ESR meter design
ESR/L/C/F/P/t meter
[url]http://www.youtube.com/watch?v=a-mXYYr3KjY[/url]
Re: Analog ESR meter design<br />
<...url]<br />
:)Re: Analog ESR meter design
ESR/L/C/F/P/t meter
[url]http://www.youtube.com/watch?v=a-mXYYr3KjY[/url]
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Re: Which ESR Meter - On a budget
Sale set of the assembly.
Price without delivery-19$.
C/ESR meter
C-1...150000uF
ESR-0...10Ohm(resolution-0,001Ohm)
[url]http://www.radiokot.ru/forum/viewtopic.php?f=18&t=76620[/url]
Re: Which ESR Meter - On a budget<br...url]<br />
;)Re: Which ESR Meter - On a budget
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Re: Which ESR Meter - On a budget
Tables are different?
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Re: Analog ESR meter design
marcdima
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Re: Analog ESR meter design
marcdima
TV1,TV2-42TM026-RC
[url]https://cdn.badcaps-static.com/pdfs/d1be812b20913a7e7244dfbddb34ce25.pdf[/url]Re: Analog ESR meter design<br /> <...ce25.pdf[/url]Leave a comment:
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Re: Analog ESR meter design
To increase the resolution reduce the resistors to 0,5-0,3Ohms.
You can also increase the number of turns of the secondary winding of the transformer TV2.
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Re: Analog ESR meter design
marcdima
Of C2 and TV2 depends maximum stretching of the scale.I have a scale of 0-5 Ohms.Resolution can be increased to 0,001Ohms!Then the full scale will be 0-0,5Ohms.
For LOW-impedance(LOW ESR)capacitors that is enough.
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Re: Analog ESR meter design
marcdima
Works fine.Transformers HDT of old TVs and monitors.
Resolution-0,005Ohm.
VT1-BC547
VD3,VD4-1N5819
Calibrate these resistors and capacitors.
[url]https://cdn.badcaps-static.com/pdfs/c173c23a22b6322cc6dfa53abfb7040a.pdf[/url]
[url]http://www.capacitorlab.com/capacitor-types-polymer/[/url]Re: Analog ESR meter design<br /> <...hese resistorsLast edited by vhr; 10-20-2012, 05:10 PM.Leave a comment:
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Re: Analog ESR meter design
[url]http://rghost.ru/private/40994632/918d6a777b45fa6e272c3d7b90daca81[/url]Re: Analog ESR meter design<br /> <...90daca81[/url]Leave a comment:
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Re: Analog ESR meter design
ESR/L/C/F/P/t meter
C-0,4...60000uF(and leakage)
R/ESR-0...130Ohm
3 ranging
0-2(resolution 0,001)
2-20(0,01)
20-130(0,1)
[url]http://radiokot.ru/circuit/digital/measure/73/[/url]Re: Analog ESR meter design<br /> <...sure/73/[/url]Leave a comment:
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Re: Analog ESR meter design
ESR meter with indication of leakage and short circuit.
ESR-0...75Ohm
F-80kHz
Vp-p<30mV
HL1-leakage 0...100Ohm
[url]http://radiokot.ru/konkurs/21/[/url]Re: Analog ESR meter design<br /> <...kurs/21/[/url]Leave a comment:
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