Products > Test Equipment
Uni-T UT71B or UT171B?
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Balcmeg:
HI,
I guess there are loads of posts like these, but I'm in need of advice.
I am looking for a Multimeter to complement my Fluke 77 (Series 1 or 2) that I got when the physics institution I worked at changed to new models.
It is for both work and hobby. For work, I mainly test low voltages and continuity testing so I might even get a UT125 for this to complement the USB oscilloscope and reduce weight.
For hobby, its electronics, sometimes PSU and mostly amplifiers, DAC etc. I Have sent the discussions about safety with some UNI-T as well as the videos, but since I still have my Fluke 77, I am not concerned about that. What I feel is missing is mainly measuring mA/uA as well as low voltages.
What I do not really get is the difference between the two Uni-T's. From what I gathered, the difference is (assuming I don't mix up the ABCDE models) that UT171B has,
- "better" screen
- rechargeable batteries
- Higher count
- a larger number of storage points (which I'm not sure I need much)
But there are a lot of other differences, and frankly, despite reading here and all over the internet, I am a bit lost. I don't mind paying the higher price for the UT171B If it is recommended.

I am currently living in Hong Kong, so the shipping costs of the Meters are close to negligible. UT171B would be UDB 228 while UT71C is USD188.
If any other model (especially ABCD...) might suit me better I'm open for that.

/Stefan

mqsaharan:
Hi Stefan,
Welcome to the forum.
If you have access to Brymen meters in Hong Kong, my suggestion would be to choose one of those. They are better built and tested than Uni Trend meters.
If you want to choose between UT71 and UT171 series, go with UT171 series. It is newer and better built than their old UT71 series.

UT171B's screen could give you hard time in bright light.
On average its battery life is about 100 hours. And the meter is unusable during charging.
You can find a detailed review here:
https://www.eevblog.com/forum/testgear/uni-t-ut171b-teardown/

There are too many options while choosing a multimeter. You need to think about your preferences first. That will help you narrow down your choices.
In the end, you'll have to decide it for yourself which meter suits you better.
Qasim.
Fungus:
What's your reason for choosing those meters? They're not cheap and Uni-T aren't the best brand.


Balcmeg:
Hi,
Would you have any suggestion what might be a Brymen DVM comparable to the Uni-T i was looking at?
I can probably buy most of the products from Chinese TaoBao and send to Hong Kong (strangely enough Uni-T is more expensive inside china than outside)
seems their selection is at least as confusing as Uni-T's
/Stefan
Fungus:

--- Quote from: Balcmeg on August 05, 2022, 10:46:38 am ---Would you have any suggestion what might be a Brymen DVM comparable to the Uni-T i was looking at?

--- End quote ---

Only you know what features are important.  :-//

If you've got money to spend then choose between the BM859s, the BM869s and the BM789.

https://brymen.eu/product-category/multimeters/?orderby=price-desc

The BM859s is their "Industrial" meter - basic, solid, easy to get at all the functions. It's what I use.

The other two have more functions but as a consequence can take more button presses to get to them. The BM69s has dual display so it can show two values at once (eg. voltage and frequency).

All of them are very accurate and have 50,000/60,000 counts. They're also very robust. Uni-Ts are known to die with tiny sparks, Brymens will take big sparks and come back for more.

Brymen serial cables are cheap if you ever need data logging.

PS: I wouldn't buy any meter with an OLED display. OLEDs wear out after a few years, they use a lot of power so they need constant battery charging (and you can't use the meter while it's charging), the internal battery also will wear out after a few years. Old fashioned LCDs show the same information but they're always ready to use and they go for years between battery changes.
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