General > General Technical Chat
Why do so many people here go nuts over very low quality gear from China?
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james_s:

--- Quote from: ogden on December 21, 2019, 11:39:59 pm ---
--- Quote from: james_s on December 21, 2019, 08:22:15 pm ---I don't buy based on specs because I know the specs are usually pure BS.

--- End quote ---
What are you talking about? - eBay/Ali "products" designed by hobbyist in best case? Everything is fine with specs of lab grade equipment from "big names" like HP Keysight, R&S, Anristu and so on.

--- End quote ---

I have no idea what you're getting at.

I don't care who it's designed by or for or how much it costs, specs should not be deliberately exaggerated. If an instrument claims 100MHz bandwidth and it only does 90 before performance degrades below reasonable levels that's one thing, but if it can't even manage 20MHz that's just flat out lying and deception. If a power supply is rated to deliver 10A but blows up if you draw more than 3A that is lying and there's no excuse for it. Same with batteries that claim 5,000mAh but can't manage 1,200, it's flat out fraud. Cheap isn't a license to pull numbers out of your ass. If you're going to claim a spec, at least make it close to reality.

OwO:
Whether sellers lie about specs is mostly dependent on the platform. Not sure about oscilloscopes but ebay and aliexpress are filled with bloated spec lithium cells, while taobao is much more strict and listings for 18650s with incorrect labels usually even tell you that the indicated capacity is not the real capacity.
james_s:
It's stupid that the cells are labeled with bogus capacities in the first place. What purpose does it serve other than an attempt to defraud?
OwO:
Blame the OEM for that one. The *fire brands all have a policy of labeling capacity * X, where X depends on brand, explains one particular taobao listing. It's against terms to lie in a product listing, but beware that lying through omission is still seen as "fair game". If a listing doesn't state capacity, but only has a picture of the 18650 with a (false) label, arguably the seller didn't defraud you because they sold you a genuine *fire cell, but you didn't do enough research to know that that brand always overstates capacity.
Kilrah:

--- Quote from: ogden on December 21, 2019, 11:39:59 pm ---
--- Quote from: james_s on December 21, 2019, 08:22:15 pm ---I don't buy based on specs because I know the specs are usually pure BS.

--- End quote ---
What are you talking about? - eBay/Ali "products" designed by hobbyist in best case? Everything is fine with specs of lab grade equipment from "big names" like HP Keysight, R&S, Anristu and so on.

--- End quote ---
The topic is cheap Chinese tools, so obviously that's what we're talking about.
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