Products > Test Equipment

set out to buy a Rigol DHO800, ordered a Vevor SDS1102 for $93 instead!

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coppercone2:
i think its kind of like a version of a index fund (i.e. S&P 500) but in form of company



sears was kind of like that I think. Maybe long ago before taiwan tools, they had sears brand US made tools. But if sears had engineers approving schematics and designing stuff, or if they just designed the sears decal stamp... idk

Its weird for a e-tailer to make their own products because then their competing with their own catalog listing? there is amazon basics, which is weird as hell. And if you put ONLY your own name on everything as a e-tailer, then it just seeems like extra work plus you can't have fluid product changes to keep cutting edge. if you just sell other people stuff you can always put the best thing there if you want because its just ware house cost. Like pay more and delay shipping of new product just so you can get your name on it? I gues you need to get alot of people hot about exclusive sales contracts

djacobow:
Good instruments used to be so expensive -- it made a lot of sense to use bargain barrel stuff because that is all most people could afford. But today, rigol and others make nice gear that doesn't cost that much at all. Since most people here do electronics for fun, I don't get why people subject themselves to bad gear. It's just more pleasant to use stuff today costs a tiny bit more. You know what's not fun? Wondering if you're instruments are deceiving you.

Same goes for tools. "I'm a noob, so I'll start with a $10 iron" makes no sense to me. You're going to hate that iron in no time flat, or you're going to think you can't learn to solder because of it.

I'm also against giving children "student" versions of musical instruments. They don't sound good and don't feel good to play. Much better to rent a proper instrument.  You have a much higher chance of so sparkling passion.

J-R:
The OP mentioned a $100 price point in another thread, so that is probably why the Rigol was passed over.

Low-priced Lilliput/Owon scopes and their rebrands aren't particularly new.  Also, this product line is maybe 10 years old.  Typically very little hope for firmware updates or hackability.

As a side note, general skill level and scope task requirements vary widely here on the forums.  Some just want to look at a waveform, others might want more.  Personally, I suggest buying above your level because it helps you to learn and who knows where you'll be in a few years.  But this is dependent on budgetary constraints...

coppercone2:
 its either you have a good trigger or you don't have a good trigger. a 2MHz 6 bit scope with a good trigger vs some 200MHz 14 bit BS.....
skill level is something, but if your trigger is just crap then its no good for anyone

you won't even look at the waveform you want if the trigger is bad


and I have seen a very expenisve scope fail to trigger before for no apparent reason! several times in hundreds of uses. this one was freshly calibrated too! by a lab.


imo that is the thing that make a scope either junk or acceptable for some skill level

did it happen? Not sure, but if I get lucky I will have a high res picture of SOMETHING, is not engineering useful.

Aldo22:

--- Quote from: thm_w on June 24, 2024, 10:32:39 pm ---For the price.. you won't regret it any time soon, might work for what you want.

--- End quote ---
I also think so.
I only really regret expensive purchases where it turns out that the product isn't as useful for me as I thought, such as my robot vacuum cleaner.

I don't think that with a $90 scope you necessarily have to think about the next 10 years.
If it's enough for the beginning, it's good. If you're happy with it in the longer term, it's even better.


--- Quote from: thm_w on June 24, 2024, 10:32:39 pm ---But you'll definitely be replacing it within a year or two if you continue to learn/practice etc.

--- End quote ---

Can you explain that?
It's often said that very cheap scopes will definitely not be good enough for you at some point, but what are the reasons for this?
I, for example, have a $130 Hantek DSO2000.
What exactly can I not do with it that I can do with a $500 scope?
I mean basic things, tasks, not performance aspects.

Like, "Now I'd like to measure this, but I can't do that with this scope, because..."

Can somebody explain? Thank you!

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