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UNI-T UT61E Multimeter teardown photos.
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analogix:

--- Quote from: joeqsmith on October 23, 2016, 02:25:09 am ---While I do not consider this meter safe by any means and would NEVER suggest anyone modify their meter in any way, it is now very robust!   If you want a nice robust meter, get Dave's little Brymen.  That meter even comes with a back light!

--- End quote ---

Actually, without the in-depth knowledge you and others here seem to have, I think I might just risk making the multimeter more unsafe by trying to modify it, and would rather not.
So in conclusion, would you say that the "Chinese" version of the UT61E is unsafe to use (it won't be used for higher voltages than household AC 230V) as it is, and if I want a safe UT61E I would have to go for the "European GS-marked" version?

Which Brymen model are you referring to and how does it compare to the UT61E?
MosherIV:

--- Quote --- as far as I know, none of the Chinese versions come with USB cables -but if I'm not mistaken the actual meter is the same, and it's just a matter of attaching a USB cable or serial cable, right? There's no actual "USB version" or "serial version" of the multimeter, is there?
--- End quote ---
Yes correct, the meter just outputs a serial stream. Then there is an optical infra red to seril or usb adapter.
I think all UT61E come with the infra red to serial adapter only.
Some chinese retailers MAY throw in a cheat IR to usb adapter but dont quote me on that.


--- Quote --- So in conclusion, would you say that the "Chinese" version of the UT61E is unsafe to use (it won't be used for higher voltages than household AC 230V) as it is, and if I want a safe UT61E I would have to go for the "European GS-marked" version?
--- End quote ---
Basically correct. None of the chinese versions have enough protection circuitry to pass the GS safety tests (bear in mind the test may damage the meter, the idea of the test is to prove the meter will not injure)
They can measure high voltages and will PROBABLY NOT blow up. There is a chance that it will if there is a surge. Think about it like crossing the road, most of the time you will cross and nothing will happen BUT there may be the one occaision where you cross and get knocked down by a bus.

If you want a general purpose meter for all uses, including safe to use on high volts, yes look at another meter.
If you want a cheap meter with high resolution and accuracy AND only want to use it for low voltage (less than 50V) then the UT61E is the meter to get
analogix:
Nice and clear summary!  :)
I will use it mainly for low voltage (less than 50V), but do need to check the occasional AC household voltage, and risking a shock because of a poorly made meter isn't too tempting.

Which alternative meter would you recommend with similar features to the UT61E?
MosherIV:

--- Quote --- Which alternative meter would you recommend with similar features to the UT61E?
--- End quote ---
Unfortunately, there nothing around with similar features in the same price range  :(

I think the next DMM with similar features will be one of the higher end Brymen meters, eg BM867

Then you are into Flukes and Keysights, Fluke 87 or Keysight U1272. These are very expensive !

Have you thought about getting 2 DMMs?
Then you can get the UT61E and another which is safe for mains eg Daves BM235
It is a good idea to have multiple meters, eg check strange readings with 2nd meter
omgfire:

--- Quote from: MosherIV on October 23, 2016, 07:41:14 pm ---
--- Quote --- Which alternative meter would you recommend with similar features to the UT61E?
--- End quote ---
Unfortunately, there nothing around with similar features in the same price range  :(

I think the next DMM with similar features will be one of the higher end Brymen meters, eg BM867

--- End quote ---
Isn't DER EE DE-5203 pretty much UT61E done right for twice the price? Temperature, backlight, max-min, LPF.
https://www.deree.com.tw/de-5203-digital-multimeter-de-5203-rms.html
https://www.eevblog.com/forum/testgear/der-ee-de-5203-first-impressions/
http://www.pcstore.com.tw/adm/psearch.htm?store_k_word=REUtNTIwMw==&slt_k_option=1
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