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New EEVblog BM786 Multimeter
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joeqsmith:
Someone wrote me about the magnetic strap having an effect on the beepers loudness.  I was able to replicate it on all the 78x meters I have.   It's not a small effect.  You can make the audio very faint with it.  Really odd.   I have written Brymen about it. 

I don't use these magnetic hangers often and wonder if there are other meters with a similar problem. 
Fungus:

--- Quote from: EEVblog on February 23, 2021, 10:55:43 am ---
--- Quote from: MK14 on February 23, 2021, 09:48:08 am ---You might get complaints, as you are bordering on swearing, or worse, when the thing broke on you, unexpectedly.
https://youtu.be/OVz9YPfMHuI?t=277

--- End quote ---

The word bloody, are you serious?  :-//

--- End quote ---

You said "bugger" as well!

Oh, now I've said it!  :scared:


--- Quote from: MK14 on February 23, 2021, 11:50:14 am ---At the end of the day, it is an 'Engineering' channel, for mainly engineers. So, it should be acceptable.

--- End quote ---

I'm not sure I follow that logic.


--- Quote from: MK14 on February 23, 2021, 11:50:14 am ---I'm not 100% sure, but I think some of the engineering channels, are considerably worse.

--- End quote ---

Big Clive lets the odd "F" word slip past his lips.

I know of another (british) toober who has a large selection of 'substitute' words, eg. "What the fudge is that?". Some of them are quite creative.

Weird how the substitutes aren't deemed offensive when the intention/intonation is exactly the same.
EEVblog:

--- Quote from: Wytnucls on February 23, 2021, 12:57:08 pm ---Interesting video, but it still doesn't answer the question of why Brymen installed an underrated SIBA 400mA fuse instead of a more appropriate 630mA one, in their 600mA range multimeter?

--- End quote ---

Fluke and Keysight use a 440mA fuse on the 600mA range, better ask them too.
rsjsouza:

--- Quote from: EEVblog on February 23, 2021, 11:41:37 am ---Don't worry, I ignore everyone who complains about my speech as a matter of course. Well, actually, if anything it makes me want to do it more
--- End quote ---

Right, you're bloody well right
You know you got a right to say
Me I don't care anyway  ;D




--- Quote from: EEVblog on February 23, 2021, 02:03:19 pm ---
--- Quote from: Wytnucls on February 23, 2021, 12:57:08 pm ---Interesting video, but it still doesn't answer the question of why Brymen installed an underrated SIBA 400mA fuse instead of a more appropriate 630mA one, in their 600mA range multimeter?

--- End quote ---
Fluke and Keysight use a 440mA fuse on the 600mA range, better ask them too.

--- End quote ---
Bussmann 44/100 starts the plot at 300s above 1A on their chart
https://datasheet.octopart.com/DMM-B-44/100-Cooper-Bussmann-datasheet-85426.pdf
dcac:

--- Quote from: EEVblog on February 23, 2021, 02:03:19 pm ---
--- Quote from: Wytnucls on February 23, 2021, 12:57:08 pm ---Interesting video, but it still doesn't answer the question of why Brymen installed an underrated SIBA 400mA fuse instead of a more appropriate 630mA one, in their 600mA range multimeter?

--- End quote ---

Fluke and Keysight use a 440mA fuse on the 600mA range, better ask them too.

--- End quote ---

Another thing to consider - how many cycles of (over)current can the fuse handle. Even if it didn’t blow on the first cycle - let it cool down and then try again.

To me if an Amp input is rated 600mA I would expect it to handle 600mA almost indefinitely and for a considerable amout of cycles. What'is the point of printing Max 0.6A on the meter if that doesn’t really tell you for how long or how many times it can handle that.

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