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Author Topic: FS: Digital LCR+ESR Meter  (Read 3204 times)

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Re: FS: Digital LCR+ESR Meter
« Reply #40 on: April 20, 2012, 08:09:18 AM »
Quote from: Kasamiko on April 17, 2012, 01:11:23 AM
^^ Salamat sis...Inform mo na lang ako if may kukuha pa...;D

sis pwede malaman papaano ito magmeasure ng inductor (L) ?  i mean ilang hertz ba ang gamit nito sa pag measure ng ng inductor?

kunwari e measure ko ang L sa tester nyo tapos ang reading ay 100mH, kung gagamitin ko ito sa 60hz o 1000hz, 100mH rin ba ang value nito?

verify ko lang kasi gusto ko rin yang tester mo.
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Re: FS: Digital LCR+ESR Meter
« Reply #40 on: April 20, 2012, 08:09:18 AM »

Offline nucleus

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Re: FS: Digital LCR+ESR Meter
« Reply #41 on: April 20, 2012, 08:19:36 AM »
ito ba yung gumagamit ng pic16F690?
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Re: FS: Digital LCR+ESR Meter
« Reply #41 on: April 20, 2012, 08:19:36 AM »

Offline _basura_man()

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Re: FS: Digital LCR+ESR Meter
« Reply #42 on: April 20, 2012, 09:38:23 AM »
ok na ok yung LCR meter ni kas na myth buster na yan ni Mayor di kayo magsisisi sa pagkabili nyan
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Re: FS: Digital LCR+ESR Meter
« Reply #42 on: April 20, 2012, 09:38:23 AM »

Offline Ikasamoko

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Re: FS: Digital LCR+ESR Meter
« Reply #43 on: April 20, 2012, 10:15:28 AM »
Quote from: Rk17 on April 20, 2012, 03:20:43 AM
ah ok po. panu po ba ung 10% san po b kukunin un? san po bs nstin binebase un...1000uf?10v? or 190mohm?

Yung value mo sa ganyan kalaki na cap is pag within milliohm ay pwede pa yan...mababang ESR na yan...noticed ko yung mga chinese caps matataas yung ESR..
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Re: FS: Digital LCR+ESR Meter
« Reply #43 on: April 20, 2012, 10:15:28 AM »

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Re: FS: Digital LCR+ESR Meter
« Reply #44 on: April 20, 2012, 11:25:20 AM »
Quote from: Kasamiko on April 16, 2012, 10:27:39 PM
Sa mga gusto pa mag order..

PhP 2,500+200 shipping via LBC...

Payment can be made via LBC, Palawan Pawnshop or Cebuana Lhuiller..

first come first serve lang po ito...

3 units na lang natira sa materials ko...;D





i have edited your first post to include the price and payment terms..
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Re: FS: Digital LCR+ESR Meter
« Reply #44 on: April 20, 2012, 11:25:20 AM »

Offline Ikasamoko

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Re: FS: Digital LCR+ESR Meter
« Reply #45 on: April 20, 2012, 12:02:36 PM »
Maraming salamat manay Shey..;D
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Re: FS: Digital LCR+ESR Meter
« Reply #46 on: April 20, 2012, 12:40:13 PM »
^ sis Kazam papaano ba magmeasure ng inductance ng LCR nyo, yong measured value ba nya ay pwede sa kahit anong frequency ko ilagay ko yong inductor? o compute muna as per sampling frequency ng tester?
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Offline Ikasamoko

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Re: FS: Digital LCR+ESR Meter
« Reply #47 on: April 20, 2012, 01:19:12 PM »
Based pa rin sa Thomson formula..



Ang frequency na gamit is internally calibrated based sa mga tolerances ng parts na ginamit...usually range from 450-550khz..



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Re: FS: Digital LCR+ESR Meter
« Reply #48 on: April 20, 2012, 01:51:59 PM »
so fixed yong capacitance at tuned circuit equation yata yang thompson? ibig bang sabihin nito sis Kazam kahit saang frequency ko gagamitin yong inductor yon paring value ng LCR meter ang gagamitin ko?

sa pagkakaintindi ko kasi, ganito ang formula ng L :

L = 1 / 2pi f  = coil inductance

yong value ng inductance ay inversely proportional sa frequency. kung mag-iiba yong frequency mag-iiba rin ang value ng inductance.
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Re: FS: Digital LCR+ESR Meter
« Reply #49 on: April 20, 2012, 02:04:48 PM »
No.

Yung inductor values are rated yan within particular frequency range..depend pa rin yan sa type ng inductor mo..iron core inductor changes inductance with frequency..

To measure inductance using this meter, an unknown coil is connected in series with a known value capacitor and measure the frequency.


Yung coil mismo ay rated yan with test frequence for both L at Q nito...


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Re: FS: Digital LCR+ESR Meter
« Reply #50 on: April 20, 2012, 02:11:40 PM »
ah okay sis, akala ko kasi may variable frequency generator yong LCR para makuha ko ang inductance ng coil sa gusto kong frequency. meron din akong LCR sis, na fixed yong sampling frequency at dadaan muna sa computation para makuha ko yong inductance ng coil sa paggagamitan ko na frequency.
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Re: FS: Digital LCR+ESR Meter
« Reply #51 on: April 20, 2012, 02:12:14 PM »
Xc=XL thompson equation rin ba ito?
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Re: FS: Digital LCR+ESR Meter
« Reply #52 on: April 20, 2012, 02:31:11 PM »
pwede sis Kazam, yong may variable frequency with reference cap na L meter? para mas madali ang sukatan, kunyari gusto kong makuha ang value ng inductance @ 60hz so input ko lang yong 60Hz maggegenerate na yong tester ng 60hz with reference to fixed capacitance ibibigay niya ang inductance ng coil @ 60hz kung 1000hz naman dapat generate din siya ng 1000hz at ibigay din niya ang value ng inductance sa 1000hz, parang ganon sis. suggestion lang nman ito sis dahil sa experience ko na magcocompute muna bago ko pa makuha ang value ng inductance dahil nga fixed yong frequency ng LCR meters.

yong sa capacitance okay lang kasi charging rate measurements talaga ito at current reactance ito pero yong sa inductance ako nalilito, voltage reactance kasi ito  :-\
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Offline Ikasamoko

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Re: FS: Digital LCR+ESR Meter
« Reply #53 on: April 20, 2012, 02:34:19 PM »
I think mas madali mo makuha using inductance calculator..;D
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Re: FS: Digital LCR+ESR Meter
« Reply #54 on: April 20, 2012, 02:45:36 PM »


okay sis... ;D
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Re: FS: Digital LCR+ESR Meter
« Reply #55 on: May 22, 2012, 10:38:38 AM »
salamat sir kasamiko!

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Offline Ikasamoko

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Re: FS: Digital LCR+ESR Meter
« Reply #56 on: May 22, 2012, 12:42:02 PM »
Ayun...maraming salamat din sir sa pag order...

may nahuli ka kaagad...;D
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Re: FS: Digital LCR+ESR Meter
« Reply #57 on: May 22, 2012, 12:59:50 PM »
aba akalain mo resistocap na talaga.  :D
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Offline Ikasamoko

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Re: FS: Digital LCR+ESR Meter
« Reply #58 on: May 22, 2012, 01:07:36 PM »
Kung wala yung ESR sa baba akalain mo ok pa ang lytic based sa value shown..;D
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Offline Ikasamoko

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Re: FS: Digital LCR+ESR Meter
« Reply #59 on: June 05, 2012, 10:12:22 PM »
May dalawang katao na naman akong SCAM! :P






















Salamat sa patuloy na suporta at pagtitiwala... ;D


BR
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Re: FS: Digital LCR+ESR Meter
« Reply #59 on: June 05, 2012, 10:12:22 PM »
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