Rigol have responded saying that they have their development team working on a firmware update to solve the issues mentioned in the video as soon as possible. Once the new fw is available, I'll do a follow-up video.
@jakobh.4422
2 ай бұрын
I would rather know, would you buy it??, as I still don't know how you got this item?? did I miss it, timestamp? was it from the local "second hand" market in Romania? Usually people inform.. I got this item and I got it because of A (I think it was attractive purchase) or B (somebody just gave me it, because of ?? they maybe think I can do something for them) How did you got it? I can sense that you have secondary agendas when trying to push this store that seems based in the netherland, of all places..but no way that it can be a romanien gift from these eleshop, as then you risk loosing your channel, not disclosing that as YT is pretty clear when it comes to such things..(be transparent not least when your highlighting the aspect of being objective and trasperanct) again and again in this video) thx for the video.
@matrixmodulator
2 ай бұрын
thats funny because i look at this model since a long time now and people still say theres issues lol
@FlyingShotsman
3 ай бұрын
That measurement display is awful. They're obviously trying to make it look like a fixed-display LCD or VFD, but the implementation looks very bad. Their use of a proportionally spaced font (impossible on a true fixed LCD or VFD) makes the digits jitter back and forth as the numbers change or when the minus sign comes and goes. At 14:10 the changing least significant digits made the whole measurement display jitter vertically by one or two pixels. They should change to solid digits, use a fixed-space font, right justify the measurement and fix the vertical jitter. The bar graph and data logging issues point to a problem in Rigol's design center, and this is where the Chinese manufacturers really differ from western companies. Their product designers and engineers know how to make an instrument that takes measurements, but they don't really understand how it's used by customers. A bar graph on a voltmeter can be a useful tool, but only if it's implemented properly; otherwise it's just a bullet point in the sales brochure. Likewise, data logging is very useful but only if it records time-correlated information. Rigol's implementation is utterly useless. Fortunately, the meter's problems could be fixed with firmware updates, but will Rigol actually do anything about them?
@voltlog
3 ай бұрын
I've sent a suggestion to Rigol to include an option to select a different solid font. Let's see how they respond to that.
@IanScottJohnston
3 ай бұрын
@@voltloghave sent suggestions to my contact also.
@jaro6985
3 ай бұрын
Yeah I also submitted a font request a while ago. In their code its really simple to change it, LVGL, though they'd have to do a bit of work to add options you can select (not that anyone wants this terrible cracked font anyway). How this made it through user testing is insane.
@IanScottJohnston
3 ай бұрын
The autoranging bug is a lack of proper, systematic testing at Rigol.....and the lack of "what if" testing that I see sooooo many companies seem to forget about. Net result, robustness of software design is lacking. Hopefully they will fix soon.......it's a dangerous bug!
@revealingfacts4all
3 ай бұрын
Exactly and the rebooting DP832 was another one of their lack of engineering you won't find with more reputable brands. I'm done buying and recommending RIGOL....
@SKPang
3 ай бұрын
Don't like the digit font. Can you change it ?
@voltlog
3 ай бұрын
Not right now. I've sent a suggestion to Rigol to include an option to select a different solid font. Let's see how they respond to that.
@Mrdibzahab
3 ай бұрын
What an ugly font. Why are there all those black stripes within the large yellow numbers? Can you select a solid font as well? The auto-center of the display is annoying when the voltage switches between + and -.
@AttilaAsztalos
3 ай бұрын
Sigh... those line presumably try to emulate the look of a faux-segment-LCD display that would have to cut up the number along all those lines into sub-segments in order to display each number by "lighting" a subset of them. I hate it too...
@NiHaoMike64
3 ай бұрын
Trying to replicate the look of a really ancient Nixie tube multimeter. Makes about as much sense as a MP3 player that tries to replicate the sound of a cheap record player from the 60s.
@voltlog
3 ай бұрын
I've sent a suggestion to Rigol to include an option to select a different solid font. Let's see how they respond to that.
@enginerdy
3 ай бұрын
@@NiHaoMike64needs some plastic “wood” side panels tbh
@Laptop-Repair
2 ай бұрын
Interesting episode. I would like to see multimeters more accessible to bread eaters such as Rigol dm858 Siglent sdm3055 UNI-T ut8805e and Hantek hdm3055 in one episode. Speed tests in slow medium fast modes, diode test, accuracy at low resistance, measurement stability in measurements, accuracy at the end of the defect. All are 5.5 digits and do not exceed the price of €470.00 Excl. VAT
@glenslick2774
3 ай бұрын
If the DM858 multimeter doesn't have a setting option to swap that simulated VFD font with a normal solid font, the DM858 comes across as a gimmick product for customers who are more interested in form over function. That simulated VFD font adds no value, it only subtracts value.
@voltlog
3 ай бұрын
I've sent a suggestion to Rigol to include an option to select a different solid font. Let's see how they respond to that.
@9Blu
3 ай бұрын
That font, just... why?! I also love that the numbers are huge but those lines. Form factor is interesting but if I was in the market that would 100% put me off that model. They used a similar font on the DP900 series power supplies as well. Rigol stop trying to be fancy! Don't try to make this your "thing" like the goofy shaped buttons on some of your other gear.
@voltlog
3 ай бұрын
I've sent a suggestion to Rigol to include an option to select a different solid font. Let's see how they respond to that.
@enginerdy
3 ай бұрын
We finally have the ability to produce displays that practically look like print on paper, why not pretend like we’re still stuck with VFDs?
@Runco990
3 ай бұрын
A little disappointing from Rigol. I'd expect the QC to better. Seems manufacturers just send out buggy products to get them on the shelf and fix it in post later. Maybe... I use Agilent 34401A meters. Because I can TRUST them, not for their features.
@voltlog
3 ай бұрын
Well.. some users because of their setup/workflow can use an older meter just fine, Others that need the modern features, increased productivity like myself, will prefer a newer meter.
@TheGrantourismo
3 ай бұрын
@@voltlog This Rigol doesnt seem to be the meter, it looks to be a toy. Horrible specs, especially considering the price.
@enginerdy
3 ай бұрын
I mean, a meter is a meter for the most part, as long as it has the specs
@IanScottJohnston
3 ай бұрын
I think I would have to try one of these out first to see if the form factor works for me…….am always open to something new. For my KZitem videos it could work for me......large text (font sucks though), not so easy to topple over, touchscreen, Webview DMM, no batteries....hmmm!
@I_love_our_planet
13 күн бұрын
I love this Formfactor, Space on my Deskt are limited and I hated that all Devices are so f**** deep. When Rigol would also generate a power supply in this formfactor - I buy it.
@werewolf164
20 күн бұрын
Hi, can this 'scope be directly connected to an image projector? For educational purposes.....
@dimmog
3 ай бұрын
Thank you, but at this price point, I still prefer the old and reliable 34401A.
@voltlog
3 ай бұрын
I was under the same feeling until I started using these modern meters for my everyday measurements/tasks. When you start seeing how they make your life easier by increasing your productivity you start moving away from the old ones. But this obviously depends on user preference and on how often you use such a multimeter and how your workbench and workflow looks like.
@ryebis
3 ай бұрын
I'd probably spend that money on a well maintained and serviced Agilent 34401a.
@matrixmodulator
2 ай бұрын
Did they fixed the issue at 12:00 ?
@kuro68000
3 ай бұрын
I wish more multimeters had "fast" sampling. Some of the old HP ones could take 10k readings per second, which could be streamed over USB.
@AttilaAsztalos
3 ай бұрын
It basically depends on the measuring principle the meter is based on. If you use a classic ADC, you basically have an oscilloscope and can be as fast as you want (within reason) but you won't be particularly precise. If you use dual slope capacitor charging-discharging you can be as precise as you want but you will not be doing 10k readings.
@kuro68000
3 ай бұрын
@@AttilaAsztalos the old HP 6.5 digit ones were 10k measurements/sec, although I think it was down to 5.5 digits at that speed.
@AttilaAsztalos
3 ай бұрын
@@kuro68000 Were they using dual slope ADC though...?
@kuro68000
3 ай бұрын
@@AttilaAsztalos I don't know, it was a great meter though
@NiHaoMike64
3 ай бұрын
@@AttilaAsztalos Nowadays, Delta Sigma ADCs are popular for high precision at low to moderate sample rates.
@TheDefpom
3 ай бұрын
Are those banana sockets the standard 3/4” ~19mm spacing apart?
@voltlog
3 ай бұрын
Yep, as shown in the video.
@TheDefpom
3 ай бұрын
@@voltlog must of missed that bit, was skipping some bits as I was short of time.
@TheDefpom
3 ай бұрын
That font is awful for the number readout. Also don’t like the artificial yellow glow on the screen reducing the contrast.
@egonotto4172
3 ай бұрын
20:30 - 20:45 The fidgeting is disturbing.
@h2w..
2 ай бұрын
The measured value constantly jumps left/right and 1 pixel up/down, which is the worst UI programming I've ever seen.
@robharley9838
3 ай бұрын
Interesting unit, but it looks like they have a ways to go with it.........JRH
@voltlog
3 ай бұрын
I have compiled a list with the things I think could be improved/fixed in this meter and sent it to Rigol. We'll see how they respond.
@2000jago
3 ай бұрын
More in the mail and interesting projects, less "paid promotions" please.
@loveminis31
3 ай бұрын
Dude you can send it to me.
@ssalient
3 ай бұрын
This is a very weird meter. Banana jacks are 'sideways' compared to any other bench multimeter. The autorange bug is just unforgivable. As mentioned before, but this is taste-sensitive, the font ugly and for a 5.5 digit meter it's strange it is 'only' 120.000 counts. Form factor is scope-like but on a bench with a more or less fixed set-up this would take up more space than a traditional model. I don't know what Rigol wants with this contraption to be honest.
@Ojref1
3 ай бұрын
I think the vesa mounts are awesome, certainly can free up a lot more space on the bench.
@voltlog
3 ай бұрын
Yep, certainly a good addition that can help.
@oleksii.zagorskyi
3 ай бұрын
Mono space font to display main value? No - they are not aware of that! Are they kidding to show jumping float point and the comma? Shame !
@voltlog
3 ай бұрын
I have sent them a suggestion to implement selection of a fixed spacing solid font. Let's see if they follow-up with a firmware update to include that feature.
@Uro666
3 ай бұрын
I was going to get one of these for my bench to sit alongside my DHO914 on a vesa mount, however after watching a few reviews including this one, the broken autoranging from factory and the sub-par zero timestamp data-logging put me off, additionally the main metering font is horrible - keep it simple, it's a meter not a billboard, there are also some UI elements that are simply confusing to work with and as you showed unhelpful error messages. Nobody is going to spend €340-440 on a DMM that has one of its main features completely broken from the factory, they have already put out firmware updates and have not fixed the autoranging which suggests to me that it is more likely to be a hardware bug than a software issue, i.e. unfixable. They need to revise this model's many issues, fix all of the problems and produce a new model/series where everything works out of the box and provide a product option in black like the DHO900 series so those of us who own DHO900's could have a matching DMM.
@voltlog
3 ай бұрын
I have compiled a list with the things I think could be improved/fixed in this meter and sent it to Rigol. We'll see how they respond. On the suggestion of having a black Rigol DMM, I'm thinking they are probably working on that and will be a higher spec model that will have a black finish.
@Uro666
3 ай бұрын
@@voltlog I appreciate that you are giving them feedback on these issues, hopefully they will respond and/or release updates with all of these issues fixed, if it is a hardware issue causing the autoranging to return invalid readings then I'd expect them to create a new model/sku in respect of any hardware/design changes in order to differentiate the models properly. If they are working on a black DMM with an improved feature set and none of these issues [which should have never passed QA] then that would be something to look out for. :)
@romanoranieri6409
3 ай бұрын
Una delusione assoluta, non è un prodotto degno di Rigol onestamente, boot time scandaloso e tante altre caratteristiche non all'altezza di questo marchio, saluti
@xDevscom_EE
3 ай бұрын
Multimeter that is not multimetering :-) Also why readings are jumping up and down (physical digits move by one or few pixels).
@TheDefpom
3 ай бұрын
Really don’t like the form factor, shelf and bench space is a premium, the smaller the vertical and horizontal footprint the better.
@voltlog
3 ай бұрын
Thanks for your feedback.
@mikopanjean8756
Күн бұрын
Did you got the DMM for free to review it? if so you should say it up front in the video
@ivolol
25 күн бұрын
God, if you're paying enough for a new 5.5 digit multimeter, why would you ever settle for a non-perfect continuity testing function, and completely jittery digits???? Next, please.
@AlexDumi-u6l
2 ай бұрын
How much this ,multimeter ND osciloscop???
@NiHaoMike64
3 ай бұрын
The autoranging falsely indicating a very low voltage when there's a high voltage present is a recall worth bug. It looks like it may be the weirdness that happens with some opamps when the input voltage gets too close or beyond the supply rails, or it might be some arithmetic bug.
@voltlog
3 ай бұрын
At this point it is unclear if it can be fixed through a fw update. I've sent them my findings, I'll wait and see how they respond.
@M-P-X
2 ай бұрын
Which hardware version is this?
@neteagle2k9
3 ай бұрын
Thanks for this very interressing video. I'm waiting fot the teardown !
@voltlog
3 ай бұрын
Coming soon!
@TheDefpom
3 ай бұрын
That font is awful for the number readout. Also don’t like the artificial yellow glow on the screen reducing the contrast. Don’t like diode mode as a 2nd function, use that way more than capacitance mode. They should be swapped.
@TheSwissGabber
2 ай бұрын
Why are people comparing this to a 34401A? The 34401A has 6.5 digits, this one 5.5. The 34461A (replacement for 34401A) is 1460$, the DM858 440$ ..
@voltlog
2 ай бұрын
This is the youtube comment section, anyone can and will say whatever... 😂
@DaveEtchells
3 ай бұрын
Yeesh, I can’t stand those fonts, that alone would keep me from buying it 🤮
@thenextproblem8001
3 ай бұрын
İs there any real benefit to use over classic multimeter like uniT?
@SlaVoy
3 ай бұрын
Rigol won with new DHO scopes but lost with DMMs.
@voltlog
3 ай бұрын
It's not all lost if they improve the firmware.
@andyrose5441
Ай бұрын
Is it a win because you can buy a DHO804 and make it a 924 and is it a loss because they didn’t release a $40 version to hack to its specs?
@DimasFajar-ns4vb
3 ай бұрын
good job sir
@jimquinn
3 ай бұрын
at 19:40, on the right is a uamp current source. What is the make/model? Thanks! Great video. A personally do like the device's form factor (foot print).
@voltlog
3 ай бұрын
More info about that current source in this video kzitem.info/news/bejne/tKlouayJqGKYY6g&ab_channel=VoltLog
@notsonominal
3 ай бұрын
.. the real question is; can you flash a DM858E to become a DM858?
@voltlog
3 ай бұрын
No, unfortunately you can't..
@lasersbee
3 ай бұрын
Absolutely don't like the Graphics over the Digits....
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