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- Опубликовано: 27 сен 2024
- I review the UNI-T UT612 LCR Meter which was sent to me at no charge by Banggood, use the link below and the discount code BGUUUI2 for a great deal from Banggood !
I compare the unit with my trusty DE-5000 LCR meter, and spoiler alert, the meter itself works pretty well and has the same accuracy and functionality as the DE-5000, only the UNI-T UT612 LCR Meter also has a USB interface and PC software which can be used with it.
UNI-T UT612 USB Interface 20000 Counts LCR Multimeter (Discount code:BGUUUI2): defs.link/?u=a...
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Use the link below and the discount code BGUUUI2 for a great deal from Banggood !
Discount code: BGUUUI2: defs.link/?u=a83cc7
Philops - awesome, thank you for becoming a supporter of the channel !
Thanks for your review Scott. As you know I have been searching for a LCR for a while. I am now convinced the DE-5000 is the way to go. Plus I see it cheaper than the Uni-t.
Thank you very much for that comparison. The DER has the 4 wire measurement connected to the terminals and the tweezer uses this to connect drive-line and measurement-line at the measuretips at the end of the tweezer.
It is really not a good idea to test capacitors that have already been tested without fully discharging them. Especially electrolytic. At the very least it is asking for inaccurate readings. Note that the meter has a warning about this printed on it. This is not to say that the Uni-T would have done better but it is poor methodology at best.
Ray Rooney Agreed. Mr Carlson is shaking his head emphatically
you are meant to use the included srt metal disc for tweezers cal. There is a hole which you are to use with the tweezers. Mine failed to cal with your method as well, but never failed using the hole in the short disc. Thats just user error
Thanks for the tip!
DER EE 5000 all the way. Just purchased one and is great. Better quality, faster response. way better input terminals and plugins. And the price is fairly acceptable. I've purchased some time back a PEAK DCR70 but did not like it at all. 1.Way, way too expensive for what it does (ESR + Capacitance).2. It munchies thru batteries fast, and the 12V battery it uses can be fairly expensive if you go for a good brand that lasts. 3. They say that the capacitance reading is really for information only as is is not very accurate and it does NOT! measure anything under 1uF (which is a pain in the....rear side if you ask me). 4. The tweezers is a separate/expensive accessory that you have to buy and is very flimsy. (I've managed to break mine after just 3 months of random use)-What a waste!. 5. The form factor is horrible and it does not tiltand that make the screen not very easy to read. 6. The battery does not have a compartment as such. To have it changed you have to unscrew the whole rear cover and expose the PCB. Anyway. good video presentation. Thank you.
Congrats! The first video about UT612 vs DE-5000. So which one is more accurate?
Holy insanity. keep your hands in position once you close tweezers and see the reading. FREEZE!
I bought cheap tweeters like those for my DMM, and they are the same. It's like they have an oxide/coating, because I have to saw the tips on the part leads/ends to scratch them before they give a decent reading.
Hmm that does look decent, good enough for checking bad caps in switchmode psu's and such :-D.
Cheaper than the Der 5000, but very close.
The tweezers needed thicker metal so the don't bend so easy, and grooves in both sides to capture wire without slipping.
I have pulled a battery clip off it's plate before, but don't tell anyone lol.
Love my uni t stuff bang for buck it's hard to beat!
It looks like the UT612 doesn't have Kelvin measurement, as the DER EE?
Great video! I would suggest not fighting against the tension of those tweezers for components like that(inside, not outside)... Keep em comin'!!
Thank you for this video! All the best wishes to you and yours from Hamburg/Germany, Dietmar, DL4HAO :)
why never test these meters in the pF range?
Good point, I will look at that in future
Exactly! Every LCR meter video shows big capacitors and inductors! Capacitors under 10pf and inductors under 100NH - that's what should be shown!
Are you still satisfied wit this LCR meter? I have the chance to get one new for about 130€ which equals to about 130 USD and struggle to order it.
Yes, it works as well as my der 5000
Hi how to measure smd chip inductance?
You dont discharge the capacitors!!!
Can you do an incircuit review test
Please
The DE-5000 just blows the UT612 away in every way. The only bit of gear, I can say is OK from Uni-Tread is the UT181A which is my second handheld meter and a (hack) copy of my primary Fluke 289/287. Most of Uni-Tread's gear is junk and in some parts of the world, way overpriced. Uni-Tread think their up with the top end brands when really they can't keep up with Rigol.
Most of the "top" brands are overpriced garbage. You are no better than a fashion snob if you buy anything fluke. You get a worse product for 3 times the price. You are a joke if you think that top end electronic testing equipment is the "best"
@@fulldeepshadowmmon LMAO
@@MickDownUnder fluke fan boy?
@@MickDownUnder let me guess you are over 50
It is better than 289 Fluke, except for a bug in firnware itself with frequency on alternating current.
i think testing components on circuit is not good idea you will spend a lot of times
A cat would explain this better.😼
Looks OK. My DE-5000 does have communication capability via opto coupler... never used it though.
I have literally just returned my Farnell Tenma rebrand of this largely for the SM tweezers. Maybe I should have ignored them seeing as regular probes were ok. Also came with a bent CD which they were not able to replace not that mitt bothered me that much. I had tried to buy the DER a few months back but shipping got stuck in Japan. The Rel isn’t quite what one expects.
I have some expensive components tweezers and have encountered the same problems you report on the cheap version. The meter itself looks very nicely manufactured. I use the Peak devices for components and they work very well but I don’t like the form factor style they use. I like the fact it does LCR and ESR together.
AllTheGearNoIdea - Peak were going to send me an item or two, but that seems to have not happened, no reply to my last couple of emails to them.
Seems pretty poor to me & so slow! I have an aginent can't remember the model cost me about £150, but only goes up to 1 kHz test freq
ESR must be 100 kHz.
Have we time traveled to the early 2000's? Why would you put that weird usb? You have at least 3 common types of usb, mini, micro or type c.
I hope it's much cheaper than the de-5000.
Type-c only now.
Hello. Can somebody help me why the calibration test FAIL during the shortened terminal ends? I tried the factory cable and two other cables and all of them FAIL. Thank you.
Some calibration is done with the leads open.
Hello. Thanks for your quick reply. In the meantime I managed it. I created my own short test wires (approx. 8cm long) with soldered alligator clips on it and now do the calibration perfectly. Before I used ordinary test heads and due to the hand pressure the resistance always changing of course that's why the UNI-T failed all the time, that is evident now. With the closed (shortened) alligator clips the resistance become constant so the calibration PASS. For measurements I prefer and much easier to use the alligator clips instead of pushing the electrical component legs (especially when the legs was soldered before) into that factory terminal.
I tried some Chinese ceramic disc capacitors labeled 104 100nF, and they measured 30nF on the Uni-T UT612 and digi-tool digi-16. Any thoughts.
That is interesting, what test frequency did you use ? (although it should matter much with ceramics).
usual uni-t crap. 4 wires should go outside, not stop on terminals. to compensate probes. like der ee 5000 does.
l3VGV - the DE-5000 only has 2 wire at the terminals, the same as the UT612, I actually think this is a pretty good meter.
der ee has 4. even on banana terminals ther is 2 contacts inside each of them, so its true kelvin 4w. pics is there benholmes.co.uk/posts/2018/02/component-meters . uni-t just have to make very no sense design example, i do not know why. ofcourse this meter is good, for it money, but why not make even beter for almost price increase. that is always case with uni-t some product ar awsome like my corrent clamp ut21e, and others, like this one or ut71 multimeter, are very strange - can be much beter with no expense, but...
im thankful for ur very detailed review. hope all of your future videos of cheap instruments will be as detailed as thise one, if bangood is sponsoring then instrustar and huntek usb scopes please!
The TL-22 tweezers for the DE-5000 are definitely 4 wire + guard. The crock clip adapter TL-21 is also 4 wire + guard. Without the adapters, examine the actual banana sockets you will see they are split so are also 4 wire (though I haven't found any kelvin banana plug leads that use that arrangement - a modified TL-21 is usually in order here).
The UNI-T is using the same chipset but totally makes a pathetic attempt at the Kelvin implementation.
Drew Dastardly - now I think about it you are right, I was forgetting that the blade connectors were double sided to give 4 connections in the slots...
@@TheDefpom It seems the original UNI-T design was going for 4 wire with the 4 banana sockets then the bean counters got involved and they repurposed them into a redundant guard, like a DMM with 2 commons. Hilarious.
DER EE made 4 separate connections in 2 banana sockets which must be a custom socket. This allows the double sided blade PCB to work by not shorting out the force and sense wires. But does allow conventional test leads to also work however the 4 wire is shorted at that point.
I paid a lot less for my DE-5000 with the adapters straight from Japan even with import duty.
How is name resistance box?