EEVblog

[@iamdarkyoshi]

Model number 1(.)21 G(iga) W(atts). Brilliant Dave, I love it!

[@Nalianna]

Great, now i'm on the run, from Libyans..

[@LotharG]

a batterizer would help with that low voltage dropout.

[@Electroblud]

I went to the comment section for exactly this sentence :D

[@HighestRank]

ElectroBlood www.eevblog.com/wiki/index.php?title=Special%3ASearch&search=Batterizer&fulltext=Search

[@ebennett3655]

There were no results matching the query.

[@Spector_NS5_RD]

FUCK! i was going to crack a joke about the batterizer in his new meter! damn! good job.

[@n2n8sda]

www.pcworld.com/article/2928997/batteriser-is-a-250-gadget-that-extends-disposable-battery-life-by-800-percent.html

[@JohnEdwa]

But if you design it poorly like an idiot, you could get into a deal with batterizer!

[@EEVblog]

Why did I think of that?!

[@wapted]

didnt*?

[@PlasmaHH]

Will they remember that they promised you it works down to those voltages when they revise the silicon, or will they forget about it and say "oh well, it won't work under 4.4V with that changes, but we don't have to worry since the datasheet covers only higher voltages" ?

[@mosfet500]

Right, and how many meters did he check? Another meter might not work as well because of the different chips. I've run Atmel's uCs at 1.5 volts with no problems but only at very low frequencies.

[@richfiles]

Man, I want the NEW multimeter!

[@richfiles]

Man, using chips for things they aren't meant for... I've built robots with 74ACT245 line buffers used as _motor drivers_ for small motors like vibration motors and high efficiency precision gearmotors.

[@Infiniti25]

That's the first time I've heard someone explained what Delta translates to, thanks!

[@Leonkungen2]

Altough you took the time to ensure that (most) parameters seem to behave well outside the chip spec, another approach would be to design a small effective boost converter that effectively removes the battery voltage dependancy (perhaps operational down to 2V or whatever your figure would be). You want it to be highly efficient however, as it could lower the service life of the multimeter :-) (dont want to make another batteriser, eh?!)

[@uK8cvPAq]

4:55 Freudian slip?

[@RyanVasquez6089]

LOL

[@userPrehistoricman]

I must be maturing. I thought of 7.5 inch displays when he said that.

[@BenjaminEsposti]

Prehistoricman Ahahahah, I get your vibe ... Yay! I'm a big boy now! :D

[@2dfx]

7.5" Dave

[@KostadinIVKostadinov]

This reminds me of me using Current Transducers below their recommended voltage. Glad to know I am not the only one :D

[@timnaami2307]

Why are there so few solar powered meters? I'm thinking a solar panel, charge pump, and multi-farad capacitor array.

[@tomvleeuwen]

If I would have to make the call, I'd like to know at what voltage the chip doesn't work within specifications anymore. If that would be about 3,55v or so, you can bet your bottom dollar that there will be instances where it won't work correctly at 3,6v either. But if it works correctly down to say 3,3v *at a few instances*, you can have much more confidence that all meters will work within spec.

[@dmanhattan1]

I would like to see this meter with back light buttons and double injected front half of case so the markings around the dial would also light up.

[@vgamesx1]

3.6V is also a really good dropout point because it just barely puts it in the range of lithium batteries thus making it perfect for hacking, not that DMMs usually need it but I generally prefer lithium over other batteries.

[@EEVblog]

It would be more like 3.8V to account for dropout voltage and a bit of margin.

[@Chris_miller192]

I suppose AD could change something in the future that affects the low voltage performance. They probably wouldn't test for it or tell you If you're operating outside the data sheet specification. I guess you have to repeat these tests regularly?

[@Brutaltronics]

most ICs I've used worked reasonably well outside spec voltage and frequency, but then again, I don't do much analog stuff

[@matushorvath]

Very different from what I expected. Cause I expected "operating chips outside their specs" will be a video about releasing magic smoke. :D

[@FennecTECH]

High voltage dropouts are good you just stick the batteries in your remote

[@zvpunry1971]

And after the remote is dead you put the battery in a wall clock for some years... ;)

[@8BitParadise]

hehe

[@rasimbot]

What are the traps for old players?

[@BenjaminEsposti]

Pretty much the same as the new players. We're all human, let's not discriminate now! X"DDD

[@38911bytefree]

It comes with four batterizer sleves !!!!!

[@TheExileFox]

7,5 inch multimeter? 4:54 - Sounds great :D

[@bbreeuwer4577]

And now do the same tests (with the low voltage) on the edge of the (permissible) temperature specs taken manufacturer errors into account.

[@dynorat1257]

I think you like doing these type of videos great job love it

[@KeanM]

If you hadn't got some confirmation from AD then you'd really want to be testing with more than one sample

[@rikvdmark]

Nice! Eagerly awaiting the release of the new DMM :)

[@DoRC]

What happened to the second big hrc fuse?

[@samgab]

Thanks Dave, interesting stuff. Any chance you might also do a video on the 50,000 count DMM IC chip used in the 121GW? Like the Hycon HY3131 or Fortune FS9704B or whatever? Cheers!

[@EEVblog]

That's been on my to-do list for a long time. I've done this one: kzbin.info/www/bejne/r6amiaaKaMSKiKc

[@rmellersh]

Hi Dave, greetings from the UK. I may have missed something! Here you are using the GW121 but the last video I can find is the one where you are being guarded re who is gonna build it for you and you only have the 3D printed test moulding. Would you fill in the gaps please?

[@EEVblog]

No gap filling. Patron's and supports have seen a lot more.

[@ABaumstumpf]

Still kinda sad. how about releasing those videos to the public after like 2 months on a separate channel?

[@AndreQuirion]

From what I can tell it's built by UEI instruments. You can find a link to their website on the IOS app for the multi-meter : itunes.apple.com/us/app/eevblog-121gw/id1173156224?mt=8

[@fluke9]

Thats wrong i guess, according to the Publisher Info on the AppStore its Kane Asia Inc. I guess they do the UEI Instruments stuff too and just made a copy and paste error copying another app they have under the same account on the App Store.

[@WafflesASAP]

+EEVblog -- Perhaps you can do the frequency range response test on EEVblog2? =)

[@kirkb4989]

I'd love to dumpster dive your garbage if you end up tossing out the "stressed" unit!! :-P

[@laernulienlaernulienlaernu8953]

“I won’t show you too much” got something to hide Dave? You don’t mind showing us the all the gubbins of everyone else’s meters

[@bertblankenstein3738]

Any chance you tested the cold temperature performance? In winter it is not uncommon to have -20C outside here (Canada). Next winter I might try a few experiments with the BM235.

[@ElectraFlarefire]

Can't believe a friend had to point out the '100 gigawatts' joke.. Any announcements for release date and price?

[@PetetheSweety]

I couldn't find any Kickstarter project for the new DMM. When does it start?

[@ThatOneTruckGuy]

Wait, so you have your own brand of multimeters? because the brand of that meter is eevblog.

[@captiveimage]

New DMM... Want one!

[@SirDrinksAlot69]

Can't give the Batterizer an excuse to use an EEVBlog product in their marketing!

[@gandalf87264]

Hi Dave, l like that little meter. When do you plan on putting it on the market? What would the guesstimated price be?

[@infango]

c'mon Dave every video from you is an interesting video :)

[@pvc988]

At the end of the video something weird is showing on the scope. Is it still connected to the output of the LDO regulator?

[@doctorazizli]

Dave, where we can get this new 121GW multimeter? Drop us a link...

[@loz11968]

Liking the new meter Dave when's it going to be available?

[@thefatmoop]

Was that a wifi or bluetooth module that i saw? And a backup battery? 4:19

[@UberAlphaSirus]

my fluke 89 is a battery slag. tells me lies at 1.2 volts then falls asleep. nimh and nicads is a no no

[@masterofeverything6468]

@EEVblog When are you thinking it will be available to buy?

[@southDutchMan]

Do I spot a wireless module in there?

[@miscellaneousstuff6346]

Hello world!

[@brplatz]

Any HALT/HASS performed on these?

[@electronicsNmore]

As usual, great video. :-)

[@Hunter_Bidens_Crackpipe_]

Just use a batterizer

[@matutolaYT]

if that top right number is the temperature, how can it measure way less then your "thermal chamber" ??

[@RWoody1995]

No thermal probe connected to the multimeter so the number it's displaying won't be accurate

[@UberAlphaSirus]

19:25 , is the rigol scope on top of the stack tracing your voice? I was hoping you would shut up long enough to confirm it.

[@peterfixit7221]

how does this meter compare to the same price fluke?

[@tohopes]

build a meter using 5V bipolar chips.

[@Zagroseckt]

i really want a talking meter :p or atleast one with a rs232 serial output

[@stargazer7644]

The fluke 87 has a mode where it will output data ultrasonically via the internal beeper.

[@JuanHerrero]

You could rig a -PC with a webcam- smartphone to do character recognition on the screen and read it out. Also maybe snoop on the data lines of the LCD with an arduino, or some other microcontroller. Both are nice projects.

[@userPrehistoricman]

Multimeter AI. That's the future. Google search for your circuit board.

[@matejzeman7765]

hey ! :) Where can I get EEVblog multimeters ? :) I dont have much money to spend, but I would love to have one ! :) Thanks. :)

[@michaelhofmann5091]

how much does that nice keysight cost :)?

[@davefletch100]

Love Dave's videos, but he can't half talk. I would hate to sit next to him on a long haul flight!

[@TheXSairam]

I dont know, but the app for the 121gw looks little bit 90s themed with words wordart title. lol. Are there any infomation about that 121gw would be pretty interessting?!

[@EEVblog]

It's just an app to test basic functionality

[@TheXSairam]

Ok. Are there any videos about the development about this? I just found the sla printed case video. Or maybe an eta on releasing it?

[@TheXSairam]

ah nvm you already answered it in other comment.

[@ReneSchickbauer]

Will you sell that Multimeter in Europe? I really want one of those!

[@EEVblog]

Yes, just order from my store, or Amazon.

[@alch3myau]

Going down? Inches? ... Few Freudian slips in this video huh...

[@howlingwolven]

Hey, ya think a batterizer could... Nawh, not gonna go there.

[@shakaibsafvi97]

are you doing this testing for a company or is it just for EEVBLOG?

[@ApostropheShy]

121 Gigawatts

[@timlipinski2571]

Is this a new MultiMeter and can you buy it with the Gold uCurrent ? Also hope the case is in Blue again. Thank you for the video ! tjl

[@RWoody1995]

by the looks of it having "low burden" on the current jacks he may have effectively built a uCurrent into the meter itself :D

[@SaNjA2659]

Always wanted to ask, what's the point of getting this new multimeter designed. How is it going to be special when compared to readily available products? (and from what I know, you don't even design it yourself but outsource the work to some Chinese company)(otherwise having it designed entirely by you would make it special enough IMO) I can understand the old EEVblog branded Brymen being a neat merchandise item for the channel, but what about this new one? Sounds like too much trouble for a piece of merch.

[@EEVblog]

It's fun. And it will have features most other meters won't.

[@SaNjA2659]

Fair enough. Especially if you combine those with affordable price tag *wink*

[@userPrehistoricman]

Calling the 121GW merch??? I'm surprised Dave doesn't ban your ass. In a previous video he's shown the high voltage continuity mode, and you can clearly see 'low burden' over the amps jacks. He's told us in this video that it has that new RMS chip as well.

[@crimsun7186]

You shouldn't, as Dave is not (hopefully) that kind of "safe space" KZbinr.

[@joaquins90]

Why??? Smack a batterizer inside! LOL!

[@berndreiner7159]

omg.... 🙈🙈🙈 you should take a lesson by Mr. Carlsons Lab here on youtube...

[@EEVblog]

I don't get it?

[@ToTheGAMES]

Why's that?

[@williamsquires3070]

Sometimes the manufacturers don't like it when you reverse engineer their marketing wank.

[@AnujArya_Curious]

Poor bm 235 meter in that chamber for nothing

[@laharl2k]

looks nice as a secundary meter. wish i could buy one to have a second rms meter. so far i only have my scope and a sanwa pc7000 as my refferences and a 30 bucks meter for non important measurements. (and of course 5 disposable $1 "things" from china for when i dont actually care if its 10V or 100V) Dave, have you thought of making a rebranded version of the 50,000 count brymen model? my sanwa is basically that with a nicer look so maybe you could have your own :p.

[@Drew-Dastardly]

360p? I guess I am second... Will wait for proper HD content and not bother with "first"

[@thoughtyness]

It's already 1080p. You posted that 2 minutes ago, meaning you are lying.

[@Drew-Dastardly]

Indeed. But I am a liar apparently? I have to admit I am astounded at the speed youtube can re-encode videos. When I try and convert a homemade vid to .webm (on my home PC) it takes hours!

[@nessotrin]

Drew Dastardly That's called "datacenters", put a few thousands of computers in a fully water-cooled building and you will be able to do that too ! ... Ouch that power bill x)

[@WafflesASAP]

+Thoughtyness -- Why do you think the dude is lying? I don't know how often you upload videos to KZbin (nor if any videos you have uploaded were shot in 1080p+), but YT is scary fast about encoding the higher-quality versions of these videos. KZbin posts the vids at the lowest qualities first because they take less time to encode than the higher quality versions (which makes sense), but the higher qualities become available within 2-10 minutes after most of these videos are posted because they're being encoded on machines that probably feature multiple octo-core Xeons (per MoBo) which by themselves are damned quick at encoding, but when you factor in that Google's damned good at getting every ounce of efficiency out of their hardware (there's a fascinating documentary on KZbin specifically re: KZbin's hardware and data centers that goes into a little bit behind the scenes re: the process of getting a video on the web and to the user from the time the uploader makes the initial "upload" click to the time the user watches the last second of the video at its highest quality -- I'll see if I can find it and post the link for you!), but their servers run in parallel, sharing the encoding load. There might have been five separate servers that each handled the encoding of one of the quality settings for this video -- it all depends on what the overall load was like at the time of the upload request. If Google's setup determined that the most efficient way to get this thing encoded would be to share the load among several pieces of hardware (or even virtual instances) so that each would be encoding concurrently, that's what they'd do. Aside from the power of the CPU units on their servers, I'd imagine the amount of raw graphics processing power these machines have (I'm sure that if they're not running their own proprietary GPU setups [which wouldn't surprise me], they're potentially running many enterprise-level GPU units from companies like AMD and NVidia in parallel. For tasks like video encoding, even consumer-level GPUs scale pretty well!) I definitely don't think the guy was lying, personally.

[@DoRC]

Man I hope I can afford this meter!

[@guerrerofrescotti]

🙄🙄🙄🙄

[@musashikaneko5651]

:D