Products > Test Equipment

Multiple questions about Brymen multimeters (BM857s, BM859s, BM789)

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TomKatt:
I'm surprised that not one post in this thread discussed what the primary use case would be for selecting what meter was the 'best'...  There's a big difference in needs between testing 5V digital circuits and 408 3 phase industrial equipment, not to mention everything in between.

I've got a Greenlee DM820A (rebadged Brymen 827s?), which is a big beefy industrial CAT IV 1KV dual display meter and also Dave's Brymen 235...  Both are great meters, but the big Greenlee is more at home working on mains power while the 235 sits nicely on the bench.  I really like the flashing light continuity display on the 235 for tracing pc boards, and the dual readout DC + AC voltage or AC + Hz frequency on the Greenlee is great for VFD motor drives.

Fungus:

--- Quote from: HAO on July 08, 2024, 10:57:31 am ---Hello everyone, is Brymen BM857s still worth buying?

--- End quote ---

Yes, it's their best meter!

(IMHO)


--- Quote from: HAO on July 08, 2024, 10:57:31 am ---The design is too old

--- End quote ---

The design has been updated internally since it was introduced. It's a rock-solid meter now.

It's part of their "industrial" range so it's square, has a rubber bumper and recessed screen. The front-on photos on the Brymen web site are awful but it looks good in person, IMHO. It's quite a lot smaller than a BM869s.

I like it because it's all very simple, basically one function per range position and no screen clutter.

The LCD is also very good contrast compared to the others.

Note: Post was fixed...

PushUp:
I think you meant another model or it is a typo: It's quite a lot smaller than a BM859s: 869s ?








..., as the 857s (160 Euro) and 859s (200 Euro) are the same in size, but differ in temperature measurement; 0,02% (vs. 0,03%) accuracy and 100kHz (vs. 20kHz) bandwidth.

Here are the pictures of both models:

soon in stock:
https://www.welectron.com/Brymen-BM857s-Multimeter_1

on stock:
https://www.welectron.com/Brymen-BM859s-Multimeter_1






Cheers! ;-)

Fungus:

--- Quote from: PushUp on July 08, 2024, 02:10:47 pm ---I think you meant another model or it is a typo: It's quite a lot smaller than a BM859s: 869s ?

--- End quote ---

Yeah, Typo. I meant the 869s.

(obviously it's the exact same size as an 859s...)

Fungus:

--- Quote from: PushUp on July 08, 2024, 02:10:47 pm ---soon in stock:
https://www.welectron.com/Brymen-BM857s-Multimeter_1

on stock:
https://www.welectron.com/Brymen-BM859s-Multimeter_1

--- End quote ---

Me? If I have to choose between those two I'd get the BM857. I don't need temperature in my multimeter and putting the diode range on a separate position is a good thing.

The only shared range in the BM857 dial is resistance/continuity and it only takes one button press to toggle that. No cycling through three or four functions like on those more "modern" meters.

The BM859s claims higher accuracy than the BM857s but as far as I can tell my BM857s is accurate to within a digit.

The only complaint I have with it is the short backlight time and the stand isn't great (although there's a simple fix for that)

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