Anyone else here have absolutely no idea what he's on about, and yet still watches all the videos? Like, I have no idea what this machine is actually for - why do you need a multimeter accurate to such precision?There's something strangely soothing about watching someone who clearly know what theyre talking about, even if I'd understand it just as well if he were actually speaking German
The more zeros after the decimal the better when calibrating lesser instruments. All my meters are 6.5 digit, against an 8.5 digit meter like this when measuring a reference you can dial them in and be assured that the accuracy is consistent.
Parts Per Million. Just like a percent (%) is total * 1/100, PPM is total * 1/1000000. So if he says there is an error of 5 PPM on the 10v range that means something that should read 10.000000 instead reads 10.000050 at worst. (I think)
Finally Marco got hands on proper 8.5 digit DMM and not all this drifty or self-cooking stuffs ;-). I begin to like my ADR1001's, need to finish up the public design. Soon (TM)...
I was curious if you'd take a look at the ADR1001. I'm happy to see that you are. I had the same question regarding the SMT package. Analog Devices takes it very seriously in the data sheet and recommends mounting in on an "island" that is cutout from the main board. I guess a FFC board would work as well. I can't way to see that video.
Hi Marco. I have been looking for your videos for over 1 year, I saw a video of you when you did the Atomstack M4, but I cant find it, im going to rebuild it to a diode galvo, where is that video??
@reps, do you have any experience with a Keithley 2470 per any means? I know this thing has not enough PPM capabilities for your taste, but i have a question about the behavior of the internal cooling systems, namely "fan". We have several units that were very loud (fan noise) at the beginning of the use-cycle and became silent after a while. We got mixed information what's the problem here, if there is any. I somehow have the suspicion this is a thing when the unit runs after it was on transit and most likely accumulated internal moisture or something. Is that a possibility that the fan runs wild until the sensors (probably some leak current measurements) say "OK."?
sorry no direct experience with that, but I have some low cost cooling fans in my CNC controller setup and they behave precisely like that, especially when it's cold. I suspect a problem with self-lubricating bushing. it could possibly be improved by oiling the bushings or by replacing the fans with ball bearing types
15:37 - Beautiful, thats how a real "V8" should look like. You would have to adapt the SMD to DIL anyways i guess. Your sexy version with 2 L293D's is most likely 15 times more expensive though.. 😀 Which of course is in no relevance to the price of the full product.
Mach One had a solid video recently on how the ratio between shorter cable vs tighter loop changes with frequency ruclips.net/video/TfzR3MxlgnQ/видео.html, re the potential “ground taking the scenic route through chassis / earth” issue.
Probably the most complicated digital multimeter ever produced. I wonder how much Fluke simplified the design for the 8508A and the 8558A? There is a Ukrainian 8.5-digit meter but the chances of getting one aren't particularly good. And I wouldn't even give Transmille's offering a passing glance.
@victorman2227 The ZIP Nauchpribor KM300. It is DC only but it has a built-in multifunction calibrator. Developed in the late 1990s AFAIK. Not much on them that I was able to find and that was years ago.
@@douro20 Thanks! I think ZIP Nauchpribor is from Krasnodar so its Russian. The website and the manual says that it's based on inductive voltage dividers so might be more of a voltage comparator (differential voltmeter) than a multimeter. I'm lucky to have a R3003 voltage comparator which is similar but manually operated.
Last time I checked, there were no consecrations on site, and anyway, it would be nude Norfolk men, can't have any old English men consecrating references! There are, however some 1281s inhabiting various cubby holes and technician friendly benches. There are also some sleeping or may be hibernating on dusty shelves....
Anyone else here have absolutely no idea what he's on about, and yet still watches all the videos? Like, I have no idea what this machine is actually for - why do you need a multimeter accurate to such precision?There's something strangely soothing about watching someone who clearly know what theyre talking about, even if I'd understand it just as well if he were actually speaking German
The more zeros after the decimal the better when calibrating lesser instruments. All my meters are 6.5 digit, against an 8.5 digit meter like this when measuring a reference you can dial them in and be assured that the accuracy is consistent.
8:30 *casually whips out another oscilloscope we've never seen before*
This is the latest keysight model. It has been promoted on other channels like electroboom eevblog etc
@redmist4963 I know, but we haven't seen it on Reps' channel before
weve been blessed with more marco reps
This video is too short.
I will watch it twice.
@@tomking6006 all reps videos should be viewed at least two times.
I have no idea what all the PPMs are about but I can’t stop watching
Parts Per Million. Just like a percent (%) is total * 1/100, PPM is total * 1/1000000. So if he says there is an error of 5 PPM on the 10v range that means something that should read 10.000000 instead reads 10.000050 at worst. (I think)
Finally Marco got hands on proper 8.5 digit DMM and not all this drifty or self-cooking stuffs ;-). I begin to like my ADR1001's, need to finish up the public design. Soon (TM)...
The Reps Semiconductor Division did an amazing job! I guess Fluke and/or Wavetek will flood you with multiple orders!
I get this sort of thing in concept but not in detail, so I enjoy learning things here and there as you work your way through it.
I think lots of us are here for the calming, dulcet tones of Marco's voice and the occasional hints of incidental hot smartness.
Love the flying spaghetti monster! Super cool! Thanks for the entertaining and and hilarious commentary.
6:01 well thats a bit german part in meter
3:30 "met with a 2001 error" more like:
"I'm sorry, Dave. I'm afraid I can't do that."
2:55 The return of the "MEEP MERP" sound effect had me laughing way more than it should. 😂
What’s that sound effect from? I love it 😂
Sweet another video! Good to see you Marco
I can't resist. I have to watch your videos.
I really like the idea of having a screw you tighten to enable cal mode, like JECS did with their engine control units to enter diagnostic mode.
Maybe having to loosen would make more sense- I can imagine some poor lab technicians tightening the screw "because it was loose" haha
Some say that making your unborn child listen to Marco Reps will make him/her smarter.
Thank you for everything you do.
I was curious if you'd take a look at the ADR1001. I'm happy to see that you are. I had the same question regarding the SMT package. Analog Devices takes it very seriously in the data sheet and recommends mounting in on an "island" that is cutout from the main board. I guess a FFC board would work as well. I can't way to see that video.
Not sure that i'm qualified to carry your toolbox, but love the lydio
marco is my ppm her0. :) weiter so.
"flattery aside" That joke is flatter than the frequency response 😆
Thank you, awesome content.
@Marco, Weinachten steht vor der Tür.... und nach alter Reps Tradition bedeuted das Lasertime!
Actually a HP3456A is far more enjoyable to repair than this one, with lots of weird, mask programmed PLD chips and no real good manual.
I was about to ask about ADR1001, then you pulled one out, while i was writing the comment, lol
Anitmatter
The Westerlies - I recognized the style. Heard Dover from them in one of Becky Sterns videos and loved it since.
11:20 No ground reference necessary for this measurement? 🤔 Or can you use the second channel as a reference with this scope?
What's your current thermal imaging solution ? Looks good !
8:29 Jean Luc Picard confirmed, reflected in the meter screen.
Well 6:06 certainly one way to path those tracks...
Hi Marco. I have been looking for your videos for over 1 year, I saw a video of you when you did the Atomstack M4, but I cant find it, im going to rebuild it to a diode galvo, where is that video??
NNN(I) has been summoned
@6:08 "..With most .. date codes being late 90's.."
I would say late 1930's even!
Nice video as always.
Your video and the fact that I am currently looking for a good bench power supply reminded me, what happened to OSMU?
Is the owner Jeroen / Huygens Optics. He seems to have a faschination for voltnutting lately.
@reps, do you have any experience with a Keithley 2470 per any means? I know this thing has not enough PPM capabilities for your taste, but i have a question about the behavior of the internal cooling systems, namely "fan". We have several units that were very loud (fan noise) at the beginning of the use-cycle and became silent after a while. We got mixed information what's the problem here, if there is any. I somehow have the suspicion this is a thing when the unit runs after it was on transit and most likely accumulated internal moisture or something. Is that a possibility that the fan runs wild until the sensors (probably some leak current measurements) say "OK."?
sorry no direct experience with that, but I have some low cost cooling fans in my CNC controller setup and they behave precisely like that, especially when it's cold. I suspect a problem with self-lubricating bushing. it could possibly be improved by oiling the bushings or by replacing the fans with ball bearing types
@@reps Alright. We consider this option. Most likely when the next longterm measurement is happening and users (incl. me) begin to complain. ;-)
I haven't touched Dota for many years, but its sounds still bring PTSD 😅
Amazing, I could actually understand some explanations of the repair.😂
I was expecting "Also sprach Zarathustra" on the tower shot. Oh, well...
What a coincidence, I was thinking exactly the same!
3rd!
@@mr_gerber Great spirits think alike... ;-)
LOL @ 5:05 that was good :-)
12:00 does it say … millideciBel?? 🤔 Why not decidecidecideciBel?
pcb isolation cut-outs can be very based, if not highly practical
I could have fix the meter but ChatGPT couldn't tell me how to get the cover off.
So you left a different LTZ1000 in the meter?
Excelent !!
only 20 minutes? u have changed marco
excellent!
Was Datron a German company in the past?
Datron was UK based company
15:37 - Beautiful, thats how a real "V8" should look like.
You would have to adapt the SMD to DIL anyways i guess.
Your sexy version with 2 L293D's is most likely 15 times more expensive though.. 😀 Which of course is in no relevance to the price of the full product.
17:34 nice pfp
13:38 What is that simulation software?
0,56 Picofarad you say.... One sneeze and you have an exponent offset.
those curvy traces.... 😵💫
Marco, no not on November, please!
Oh, nein nein nein nein nein nein!
I'm a whole day late to the party ;)
I already voltnutted this month :c
Mach One had a solid video recently on how the ratio between shorter cable vs tighter loop changes with frequency ruclips.net/video/TfzR3MxlgnQ/видео.html, re the potential “ground taking the scenic route through chassis / earth” issue.
Dude owes you $50 for the cal and $500 for that repair.
I work in metrology and this is almost all gibberish to me 😂. Still enjoyable though
Still waiting for you to move on from DC and start with something serious AC/DC transfer.
Fluke 8506, 5790 or even 792A are waiting. 😂
In 7:51 the right side of the board is a little bit sus
6:55 that's why he said it's a low tolerance part
Agreed. Luckily Marco is a doubter of isolation slots🙏
So many multimeters.
Rep rep ⚡️
Babe wake up, German ppm hunter dropped once again.
Probably the most complicated digital multimeter ever produced. I wonder how much Fluke simplified the design for the 8508A and the 8558A?
There is a Ukrainian 8.5-digit meter but the chances of getting one aren't particularly good. And I wouldn't even give Transmille's offering a passing glance.
A Ukrainian 8.5 digit meter? Please tell more!
@victorman2227 The ZIP Nauchpribor KM300. It is DC only but it has a built-in multifunction calibrator. Developed in the late 1990s AFAIK. Not much on them that I was able to find and that was years ago.
@@douro20 Thanks! I think ZIP Nauchpribor is from Krasnodar so its Russian. The website and the manual says that it's based on inductive voltage dividers so might be more of a voltage comparator (differential voltmeter) than a multimeter. I'm lucky to have a R3003 voltage comparator which is similar but manually operated.
@victorman2227 I believe it's also produced by one particular Ukrainian company as well.
awawa 🥺👉👈
Who are you trying to convince ?
We all know you can let it go without trying to fix it.
lol...xD
Last time I checked, there were no consecrations on site, and anyway, it would be nude Norfolk men, can't have any old English men consecrating references!
There are, however some 1281s inhabiting various cubby holes and technician friendly benches. There are also some sleeping or may be hibernating on dusty shelves....
0x01