Author Topic: BM786 continuity beep not latched  (Read 1395 times)

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Offline woox2kTopic starter

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Re: BM786 continuity beep not latched
« Reply #25 on: September 18, 2024, 09:48:41 am »
Yep, confirmed. 78611 is different.
YAY, my meter is not faulty afterall!  :-DMM

It would still be interesting to hear Brymen response on this. While technically the faster beep might be better, it's significantly different than it used to be on the same models. This can create some issues in a place that has hundreds of those meters purchased from different times...

I can live with that but honestly i would prefer the slower beep. This was one of the (many) reasons i bought this meter. As in, it seemed perfectly balanced between two worlds, being fast enough to be useful and not so fast that the sound is messed up. My last meter did not have any latching on the sound, even the volume depended on the contact quality and i grew to hate that scratchy sound even though it too was very fast to respond.
« Last Edit: September 18, 2024, 09:52:46 am by woox2k »
 

Offline J-R

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Re: BM786 continuity beep not latched
« Reply #26 on: September 18, 2024, 07:02:43 pm »
I personally don't like the scratchy sound either.  One solution: Dave can offer firmware version flash options in his store at an extra charge.
 

Offline EEVblog

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Re: BM786 continuity beep not latched
« Reply #27 on: September 18, 2024, 11:32:43 pm »
I personally don't like the scratchy sound either.  One solution: Dave can offer firmware version flash options in his store at an extra charge.

Possible, but postage is a killer.
 

Offline J-R

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Re: BM786 continuity beep not latched
« Reply #28 on: September 19, 2024, 02:00:55 am »
I personally don't like the scratchy sound either.  One solution: Dave can offer firmware version flash options in his store at an extra charge.

Possible, but postage is a killer.
I mean as part of the initial purchase.  Take it out of the box, flash it, then ship it.
 

Offline woox2kTopic starter

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Re: BM786 continuity beep not latched
« Reply #29 on: September 19, 2024, 07:05:51 am »
I mean as part of the initial purchase.  Take it out of the box, flash it, then ship it.
At least with Brymen meters Dave doesn't handle every single meter that is sold globally! They come directly shipped from Brymen to resellers around the globe. One option would be to give resellers the option to reflash firmwares but that will not happen (most would not bother anyway) Brymen itself cannot do that because it would be nightmare to keep track of all that stock of different firmware versions. Best solution would be to release firmware files so that users could flash it themselves but sadly that will not be a thing either.
« Last Edit: September 19, 2024, 07:08:48 am by woox2k »
 

Offline EEVblog

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Re: BM786 continuity beep not latched
« Reply #30 on: September 19, 2024, 07:06:10 am »
I personally don't like the scratchy sound either.  One solution: Dave can offer firmware version flash options in his store at an extra charge.
Possible, but postage is a killer.
I mean as part of the initial purchase.  Take it out of the box, flash it, then ship it.

If someone wants to order a special unit then I can flash in 78609 firmware.
 

Offline EEVblog

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Re: BM786 continuity beep not latched
« Reply #31 on: September 19, 2024, 07:07:49 am »
At least with Brymen meters Dave doesn't handle every single meter that is sold globally! They come directly shipped from Brymen to resellers around the globe.

There are only two dealers, Welectron who order direct from Brymen, and Simon from Sparky Labs who orders from me.
I handle all other global shipments from my lab here.
 

Offline woox2kTopic starter

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Re: BM786 continuity beep not latched
« Reply #32 on: September 19, 2024, 07:13:59 am »
There are only two dealers, Welectron who order direct from Brymen, and Simon from Sparky Labs who orders from me.
I handle all other global shipments from my lab here.
Whoops, sorry. Apparently you are a hell of a lot more involved in handling those meters than it makes sense! Nice! That doesn't help people around the EU though (or the people who already have purchased the meter)... Meters sold by Welectron have not been upside down at your place :( (OT: How do you guys keep electrons in your stuff when they are upside down all the time?) Ordering one directly from you would probably cost an arm and a leg, plus a large amount of money. Same with sending it to you in order to get it flashed and shipped back...
« Last Edit: September 19, 2024, 07:20:23 am by woox2k »
 

Offline J-R

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Re: BM786 continuity beep not latched
« Reply #33 on: September 19, 2024, 09:24:29 am »
I strictly was positing the concept that in Dave's online store (https://eevblog.store) he could offer an option where the buyer could select any firmware they wanted for their BM786 for a nominal fee.

The solution to high shipping charges is to plan ahead and order up a few things at once, spreading out the cost per item.
 

Offline floobydust

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Re: BM786 continuity beep not latched
« Reply #34 on: September 19, 2024, 05:51:33 pm »
Is the hardware mod relevant? https://www.eevblog.com/forum/testgear/bm789-continuity-behaviour/msg5108199/#msg5108199
I would guess it adds an RC filter to the DMM IC comparator input and lower continuity response time.

I did see a true "latching" continuity tester project, it uses a flip-flop to detect and latch, you have to manually reset it.
It seems to be used when working on long wire runs, and in cars etc. where you are working far away from the multimeter searching for a short-circuit.
 

Offline BeBuLamar

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Re: BM786 continuity beep not latched
« Reply #35 on: September 19, 2024, 10:10:57 pm »
I personally don't like the scratchy sound either.  One solution: Dave can offer firmware version flash options in his store at an extra charge.

You have the scratchy sound only when you have and lose coninuity rapidly. If you touch the probes slowly you wouldn't hear the scratchy sound right?
 

Offline EEVblog

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Re: BM786 continuity beep not latched
« Reply #36 on: September 20, 2024, 12:42:44 am »
You have the scratchy sound only when you have and lose coninuity rapidly. If you touch the probes slowly you wouldn't hear the scratchy sound right?

Yes, if the contacts are good, I demonstrate this in my video.
 


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