MicroOhm Meter Short Circuit Finder Review Comparison Vici VC480C+ vs YR2050 Milli Low Ohms Meter

LER #202 I bought two AliExpress MilliOhm / MicroOhm test meter short circuit tracer finders. One cost twice the price of the other one
Vici VC80C+
www.aliexpress.com/premium/vc...
YR2050
www.aliexpress.com/wholesale?...
Are these meters any good for short circuit finding and how do the two compare with each other?
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Aneng AN8009
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KM601
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TOOLTOP ET829 SCOPE METER
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MULTIMETER PROBE KIT KET05
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BENCH PSU
NPS3010W
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SOLDERING
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Infiray P2 Pro
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Amscope Optical Microscope (copy)
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CH341A
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DESOLDER BRAID (I use size 8045)
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MECHANIC HX-T100 Solder 63:37 (I use 0.6mm)
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Richard

[@larkhill2119]

You can read Chinese using the Google translate camera function on the mobile app. Saved me a few times with Chinese and German. You can also watch You tube videos if you turn on subtitles and set auto translate in the settings.

[@jjg2753]

1.general mode; 2.checking mode; 3.background setting; 4. energy saving setting; 5.up down limited alarm;6.port setting; 7.calibrate/adjust; 8. restore calibration/adjust; 9.contrast; 10.resistance ratio setting

[@LearnElectronicsRepair]

Thanks for the info

[@jjg2753]

@@LearnElectronicsRepair I don't have those multimeter, I translated based on the appeared mandarin. I just tried to help, :)

[@LearnElectronicsRepair]

@@jjg2753 Thanks again for your efforts 🙂

[@CtrlAltDeln]

this for the orange one(Vici) or YR2050 ?

[@jjg2753]

@@CtrlAltDeln YR2050 at 21:10

[@gregebert5544]

I was able to get stable low-milliohm readings with my YR2050; while measuring the resistance of a knife, the readings got lower as the clips got closer. This was pretty low resistance, on the order of just under 1milliohm, up to 7milliohms. When the clips are stationary, the reading only varies a few counts. Moving the clips 1-2mm closer produced a lower reading as expected, about 100micro-ohms, so the meter is quite sensitive. At higher resistances, such as my resistor decade box that goes down to 0.1 ohm steps, the meter is very stable and accurate. The clips make it difficult to get a stable PCB trace-resistance, but that really isn't a problem with the meter. I hope to make my own probes in the near future.

[@ahmadpopal9567]

Thank you for your informative videos. I have found it the best among other channels especially discussing the beginner materials. I hope you haven't forgotten talking about MOSFETs for beginners. Please keep it up.

[@LearnElectronicsRepair]

transistors and mosfets are coming soon

[@ianhuxstep211]

Thanks for the video. I work on a lot of high power deflection amplifiers which have up to 30 parallel output power transistors, I usually use an old "tone ohm" to find the shorted one, but the Vici looks like it could be more reliable and quieter.

[@Dog-whisperer7494]

The vici range of test are excellent as an Electrician I have the vici continuity/ insulation resistance tester and it is very accurate and an excellent machine, I keep it as a backup for when my Kewtech KT63 is in for its annual calibration. Cost £37 from Amazon. That other one you have bin it is junk . Good video though mate 👍

[@daz41262010]

fantastic review :) I was in stitches laughing out loud so much at this video :) thanks for cheering my mood :)

[@allthegearnoidea6752]

I may have to buy one of those great reviews thanks

[@Ghost572]

This meter is powerful, I watched the video the other week but I was watching some guy fix a GPU that had some shorted component that was far away from where it was thought to be, so by being able to detect the resistance and it being lower the closer you get to the short is decent.

[@RetroUpgrade]

Nice job on the review 👍, i was kind of expecting the more expensive one to outperform the cheap one doh . I did notice that in the unreadable manual for the cheap one you can see the word HOLD/ZEROR so i am assuming that holding down the HOLD button will zero it out . keep up the good work. still haven't had time to check the stuff you gave me to fix will try my best to get the videos out Cheres

[@Qcorner1]

Good stuff Richard…I thank you for your efforts. One of the best electronics channels on YT. Cheers Darrell - 🇨🇦

[@LearnElectronicsRepair]

Thank you - honestly I can't believe some of the compliments I get here - really I just started this channel because I wanted to pass on some of my Old School know how... while I can still remember it LOL ☺

[@igornedashkivskyi1472]

Основний великий мінус Yaorea це те, що виробники не переклали документацію та локалізували меню пристрою, тому із цим і були самі основні проблеми використання, але пристрій виконує свої функції, як мені здалось. Я навмисно написав коментар не англійською, а своєю рідною мовою, щоб передати ту саму незручність локалізації перекладу, але, дякувати Богу, Google інтегрував вибір перекладу до коментарів KZbin. Дякую за ваші детальні та цікаві огляди з ремонту електроніки.

[@ulrichfrank4270]

Seller of YR2050 should have an English manual - it exists. I could not find such manual online but I purchased this device and asked for an English language manual - seller mailed it as a pdf-file.

[@LexLinux]

I used to have a really tiny version that just plugged in before the meter probes ..... no idea what happened to it!

[@Dutch_off_grid_homesteading]

Heya for sorts finding that is a very nice tool

[@ThylUlenspiegel101]

Any chance you can teardown the YR2050 and publish its internals? I am curious if it can be tweaked to work around at least some of its shortcomings

[@user-yb7lq3mq7x]

Thank you very much you prevented me to do a wrong purchase. Think I heard at 12:56 entaxi?

[@igormorozov6801]

YR2050's main function is measuring internal resistance of accumulators (on 1kHz frequency). Other stuff is just nice addition to common functionality (such as relay contacts, thermo fuses, contactors and other switches). VC480C measuring approach, seems to me, is linear resistance (relying on the current consumption in the instruction 120mA). So this equipments are not supposed to compare directly to each other I think.

[@minacr1ss]

yr1030 1035 for IR, but 2050 is NOT NOT NOT, please reading specs becarefully :)

[@igormorozov6801]

@@minacr1ss well, yes, agree with you ) I was thinking it is all one family of measuring approach instruments. So where yr2050 constant current method is better than frequency style measuring of yr1030?

[@user-vr9qg5uw3f]

Не неси ерунду, не путай народ. YR2050 использует для расчета сопротивления ПОСТОЯННОЕ напряжение. Измерять им внутреннее сопротивление конденсаторов и источников напряжения нельзя! Для этого есть линейка YR1030/1030+/1035/1035+, которые измеряют сопротивление, в том числе и внутреннее сопротивление источников напряжения и конденсаторов на переменном напряжении.

[@keithmatthews520]

Yr2050, on the display/switch board, with the display taken out and facing you, if you connect a 100r resistor from pin 12 (3rd from right on the bottom) to battery negative. Display stays on, it is on while charging but when the unit is run just on the internal battery the backlight goes off when you power down, I picked 100r as this gives about 80% display brightness.

[@BrozFix]

Thank you for this video. I have question does your MESR-100 esr meter also have similar function like milli ohms meter? I watched your few videos about finding shorts with esr meter. So i was wondering what to buy for start MESR-100 or VICI VC480C+. Thank you for your time and for sharing your knowledge.

[@LearnElectronicsRepair]

@Broz Fix Ahh now they are very different things - So the MESR-100 is an ESR meter and only helps you find short circuits when they are either side of an inductor - because the ESR meter injects a 100KHz signal, which makes an inductor show up as a resistance of a few ohms, so you know which side of the inductor has the short. But it could not help pin down the actual shorted capacitor like I demonstrated in this video. The VC480C+ is a micro-ohm meter and can find short circuits in capacitors or Mosfets where the MESR-100 will not help you, and will also see a VRM inductor as a resistor. Having said that the ESR meter will find bad electrolytic capacitors even if they look OK and the VC480C+ can't help you there IMHO now I have the VC480C+ I will use that for short circuit finding in VRMs etc because it is better for that task and I will use the ESR meter to test capacitors, both are invaluable if you ask me and will likely pay for themselves in the first few jobs you use them. Which one to buy first depends on the sort of repair you are doing the most. The YR2050 I just can't recommend, even though it is cheaper.

[@BrozFix]

@@LearnElectronicsRepair Thank you very much.

[@chadselbe59]

Hey man I've been looking at handheld oscilloscope / multimeters on ali have you tried any of them out yet?

[@LearnElectronicsRepair]

@Chad Selbe Oh for sure that review/comparison is coming soon the cheapest oscilloscope DIY kits I can find vs some in the €70-€90 euro ones on Aliexpress vs my Rigol DSO vs my 40 year old analog Tektronix All from the point of view of using it for Electronics repair

[@standishgeezer]

I suspect that the menu you reached is for language setting. Try selecting each one in turn and I'll bet one of them changes language to English. As far as manuals are concerned you can use you Android or iPhone mobile to use Google translate from photo app.

[@JosepsGSX]

Phone Google translator camera might help with both the screen and the paper manual. I'm not sure if it deals with Chinese but it's free to try.

[@Mikere5]

It works well with both traditional and simplified Chinese

[@maxwarfield6699]

Hello, Just wondering, can you use this method on electrolytic, ceramic and film capacitors too, or is this just for SMD caps? Please let me know - I’m trying to learn more about electronics. Thank you kindly

[@jcon6734]

It should work for any short circuit. Doesn't have to be a capacitor, or even a component. As he demonstrated, these can find a solder bridge just fine. What you're really measuring is the amount of stuff in between the two probes/clamps. Since the resistance of the short is unlikely to change, the changing resistance measurements are from the copper traces in the circuit board. The longer the trace: the higher the resistance. Therefore, the lower the resistance: the closer you are to the short.

[@elhub4100]

Can you suggest any Branded short locater? Like fluke or keysight

[@endot5418]

Hello I had a question. Wich miliohmmeter you recommand to test a shorted capacitor ( I mean AC or DC material)? Thank you very much for your videos cheers !!!

[@dixsusu]

Hi , have you got the chance to test the Precision Micro Ohmmeter BS407 from aimtti ?

[@LearnElectronicsRepair]

Sure I have the time, it would be great if Aimtti could contact me regards a review sample and further information. [e-mail]

[@Altirk]

Hi. 31:36 I see .00139 and 32:32 I saw 0.0026 Ohm. Why? I think about simuliar data. No? You told about the same. I don't understand. Tell me pls.

[@vincen.3590]

Why are the probes so big? Can they make it smaller as the ones on the multimeters?

[@johnprescott6614]

thanks Richard. How far away are you from getting free review samples?

[@LearnElectronicsRepair]

Well actually John I was contacted by AliExpress Spain earlier this week regards product reviews (it just came out of the blue) and I am in discussion with them....

[@simontopley4771]

Looking on ALI I found the Vici meter at about 35 pounds, now, being the ever cynic, are these fakes of the chinese meters? I'm just so wary these days. I'm sure the YR meter has some options that you have to use to get useful readings, years ago i'd never have trusted cheapie kit, but i was a data engineer, contracting, i bought a £30 light meter off amazon, and found it to be madly accurate, to within -0.5dB compared to an expensive transmission optic. Great video as ever.

[@InssiAjaton]

You need to work on the how to measure with Kelvin clips. You should not let the legs close EXCEPT through the component. Easier to do with through hole parts. Then you can easily use the clips correctly, which is you grab the lead between the two legs of one clip and again the other clip same way at the other end wire. The way you did on surface mount components will cause varying readings, because even the leg to leg contact is involved in the result. If you cannot catch each end of the component BETWEEN the two legs of corresponding clip, you may want to make the clip contacts narrower. There are some already narrower clips, but even they are not good for surface mount components. Your only remedy is likely filing or grinding.

[@gregory6488]

I find those clqmps cumbersome to work with.

[@udhayakumara4033]

You didn't show how much current the meter injecting to the circuit. You can measure it with the multimeter

[@LearnElectronicsRepair]

The Vici VC480C injects 50mA on all ranges apart from the 20mOhm range where it used 100mA

[@rarbiart]

sorry that you can not read chinese. using an app to translate helps a lot eg. putting the light permanently. this video gives a good impression what happens if you skip few seconds of preparation.

[@maxwarfield6699]

But if you are an amateur in electronics [me] and you suspect that there is a short SOMEWHERE in a circuit, but have no clue where it might be, where would you stick the probes of the milliOhm meter? Just anywhere? By the power supply? Around a suspect component? Please clarify, I want to learn. Thank you kindly

[@inwerp]

I do not think this computes. 1. solder>probe resistance is way higher than 0.0001 Ohms. Contact area depends greatly on absolutely random things like solder blob form, pressure, this will affect resistance. 2. shorted cap is obviously "self-reflowed" because it became really hot recently, so it would have way thinner oxide layer == lower resistance between its solder blobs and terminals 3. putting a solder blob on cap place would obviously reflow all caps sitting on the same GND or VCC trace, which would make it seem that resistance is "lower". In some rare circumstances, you might find a short that way if you use an LCR meter like MS5308, but you will have to solder terminals to the board, i guess? i am sure you can prove I'm right by simply soldering the same terminals to the different points you were measuring and see that it will show absolutely the same resistance.

[@drstrangelove09]

VC480C+ on Amazon: www.amazon.com/NKTECH-Multimeter-Multimetro-Diagnostic-tool-Screwdriver/dp/B07573MZ65/