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Flood of new Agilent 82357B GPIB-USB adaptors on eBay the real deal?
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edavid:

--- Quote from: EEVblog on August 05, 2015, 03:10:38 pm ---Ripoff ones are here:
http://www.ebay.com/itm/82357B-GPIB-USB-Interface-Compatible-with-AGILENT-82357B/251641990975

--- End quote ---

Why do you call the clones a ripoff?  As far as I know, they work just as well as the Keysight ones.  Is it just that you think they should be cheaper?
tooki:
Oxford dictionary:


--- Quote ---rip-off
noun informal
• a fraud or swindle, especially something that is grossly overpriced: designer label clothes are just expensive rip-offs.
• an inferior imitation of something: rip-offs of all the latest styles.
--- End quote ---
See the second definition.
edavid:

--- Quote from: tooki on August 05, 2015, 10:56:59 pm ---Oxford dictionary:


--- Quote ---rip-off
noun informal
• a fraud or swindle, especially something that is grossly overpriced: designer label clothes are just expensive rip-offs.
• an inferior imitation of something: rip-offs of all the latest styles.
--- End quote ---
See the second definition.

--- End quote ---

OK, then what is inferior about them?
amc184:
I think they might be counterfeits.  The boxes and packaging are really convincing, but there's tonnes of counterfeits out there with as much attention to detail.  There has been clones around by Beiming and others for a while, I'm not really surprised to see someone take the next step and put Agilent labels onto them.

For people who ask what's wrong with the clones / counterfeits, here my view:

* A big chunk of the development cost of these devices is the PC software, Agilent IO Libraries.  It's also the thing that makes them really useful, compared to something like a Prologix.  It'll definitely be against the license of IO Libraries to use one of the freeloading clone adapters.
* Agilent probably tested their USB GPIB adapters with a huge range of equipment during development.  I wouldn't trust Beiming to have been so thorough.  That said, I've heard that Agilent adapters aren't 100% compatible with older gear in some situations (more a hardware than software issue), so I guess you just can't win.
I've used a Beiming clone before, and it worked fine for me.  I use an HP E2050A now, it's great.
dadler:
They aren't just Agilent labels. They are screenprinted with Agilent logos, the enclosure has the molded Agilent logo. They have serial numbers that match the high-quality labels on each box. The plastics and hardware are high quality.

They are manufactured in Malaysia and come in boxes that are themselves made in Malaysia.

The included disc and documentation is exactly what you would expect to get with any other Agilent product.

The disc does have some Asian text on it in addition to English, so I suspect these were intended for the Asian market. I doubt they were ever intended to be sold in the West.

If they are "fake", then they are made on the same tooling and assembly line as the real ones. That could be, but so could it be with any product then.

I have examined my unit in detail, and there are just too many tiny details that would be so very difficult and expensive to clone. Why fake such a product, which is certainly a low-volume, niche item? There would be no way you could expect to recoup the cost of investment on tooling and exactly duplicating the included documentation/product look and feel.

Though quite a few have sold on eBay, USB-GPIB adapters aren't like Beats headphones with universal appeal.
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