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Forum section: electronics / projects

author: daisizhou
author_rank: Super Contributor
timestamp: December 04, 2022, 08:07:30 am
content: --

author: tggzzz
author_rank: Super Contributor
timestamp: December 04, 2022, 10:06:48 am
content: You need to consider legal and insurance consequences.If you make a mistake and an ESU is incorrectly analysed and subsequently injures someone, who is liable to pay damages?If there is an insurance claim and the investigation finds that a device does not have the paperwork indicating it is formally and traceably calibrated, I'll bet the insurance claim will be denied. Who is then liable to pay any damages?In other words, you are on sinking sand

author: Brianf
author_rank: Regular Contributor
timestamp: December 04, 2022, 11:32:42 am
content: Quote from: daisizhou on December 04, 2022, 08:07:30 amPresumably there is a 'calibration manual' available to qualified people.

author: tggzzz
author_rank: Super Contributor
timestamp: December 04, 2022, 11:35:24 am
content: Quote from: daisizhou on December 04, 2022, 11:00:45 amYou don't have to convince me.You might have to convince insurance company loss adjusters looking to minimise a payout. And/or legal authorities.I don't understand your distinction between "certification" and "calibration". How can something be formally certified if it isn'tformallycalibrated? I suspect that might be a language issue. A standard misunderstanding is that there are important differences between calibration is not adjustment.

author: tggzzz
author_rank: Super Contributor
timestamp: December 04, 2022, 01:25:14 pm
content: Quote from: daisizhou on December 04, 2022, 12:39:13 pmIt doesn't matter what itlookslike. What matters is what it is.If a measurement is important, then the measuring instrument must be calibrated according to whatever schedule is specified.If a measurement is important as far as legal authorities and/or insurance companies are concerned, then you need to be able to show that the measurement was within specified limits.If the legal authorities and insurance companiesneverlook, then you might skimp on the correct procedures.But don't bother to try to convinceme, sinceIhave no interest in the answer.

author: Brianf
author_rank: Regular Contributor
timestamp: December 04, 2022, 02:14:36 pm
content: Quote from: daisizhou on December 04, 2022, 08:07:30 amWithout that knowledge you stand zero chance.Quote from: daisizhou on December 04, 2022, 08:07:30 amDon't waste you time even thinking about going down that route. The EPROM is a 128kx8 device. That's a lot of code.

author: coromonadalix
author_rank: Super Contributor
timestamp: December 05, 2022, 04:41:44 am
content: It means stop asking and maybe find another forum to ask theses questionsFor liability, insurance, responsability and legal stuff people here will be reluctant to help youAnd previous threads already answered you

author: tggzzz
author_rank: Super Contributor
timestamp: December 05, 2022, 09:20:54 am
content: Quote from: daisizhou on December 04, 2022, 08:07:30 amHere's two more things to apologise for: deleting the original post and changing the visible title. I hate "historical revisionism" (since Stalin had it down to a fine "art"), and IMNSHO it is better to simply admit you've understood and changed your mind.The original topic was "please-help-how-to-calibrate-this-analyzer",and the OP included "I have a properly calibrated ESU analyzer.And the calibration reference is the calibrated analyzer. If certification is required, then I will use the calibrated 454a mainframe for certification, which is not a big problem. There are specialized agencies that do the certification, but they don't calibrate"

author: daisizhou
author_rank: Super Contributor
timestamp: December 05, 2022, 11:16:56 am
content: If you don't want to help others, forget it.different countries have different laws.I did nothing wrong

author: Zero999
author_rank: Super Contributor
timestamp: December 05, 2022, 11:26:36 am
content: Quote from: tggzzz on December 05, 2022, 09:20:54 amNote the flag in the original poster's profile and the country's history. I think it's cultural.Quote from: daisizhou on December 05, 2022, 11:16:56 amDon't waste people's time then.Deleting content after people have replied is considered bad form here.

author: daisizhou
author_rank: Super Contributor
timestamp: December 05, 2022, 11:41:38 am
content: First of all, some "unreasonable" people exist.I didn't want to delete the post initially.1.I just want to make the instrument more accurate and have no commercial purpose.2. Instrument assets belong to individuals3.If I break the law, my country will punish me and I won't hurt anyone who helps me.simply incomprehensible

author: pcprogrammer
author_rank: Super Contributor
timestamp: December 05, 2022, 11:43:32 am
content: Quote from: daisizhou on December 04, 2022, 08:07:30 amHe did it again,now the title is just -- and the sorry in the edited original post is also gone.Looks like some psychological warfare, messing with our heads

author: tggzzz
author_rank: Super Contributor
timestamp: December 05, 2022, 12:32:51 pm
content: Quote from: Zero999 on December 05, 2022, 11:26:36 amAlternatively he doesn't want traceability in case he's caught out.QuoteJust so.Memo to self: when replying, include original in post so that can't be "lost".EDIT: the OP's attitude and responses made me curious about his other >200 posts, so I looked through his posting history.It looks like he hasstartedmany threads which look as if he is trying to "resuscitate" a wide range of equipment. I leave others to draw their own conclusions.

author: tggzzz
author_rank: Super Contributor
timestamp: December 05, 2022, 12:34:54 pm
content: Quote from: daisizhou on December 05, 2022, 11:41:38 amHypothetical questions: if you incorrectly repaired equipment, shipped it overseas, someone relied on a declaration of the equipment's condition, and was injured:would your country punish you?would you have done anything wrong?QuoteYes, that response is incomprehensible.Or rather it bears no relationship to the information and opinions in posts in this thread.

author: uliano
author_rank: Regular Contributor
timestamp: December 05, 2022, 03:10:10 pm
content: Quote from: Zero999 on December 05, 2022, 11:26:36 amWhile I understand and support the issues against his behavior, I can't help disliking all kind of generalization.Responsability is personal.

author: tggzzz
author_rank: Super Contributor
timestamp: December 05, 2022, 03:44:40 pm
content: Quote from: uliano on December 05, 2022, 03:10:10 pmResponsibility is indeed personal.Generalisationscanbe valid and useful,providedit is remembered that there is a variance around the mean. Often the variance is larger than the differences.For example, what would you make of a statement made to me while having a good-naturedinformalchat about project planning? The other party was an Indian and his completely unprovoked and initially unexpected statement was that "you must remember that Indians believe in miracles". IMHO there are many incorrect conclusions that could be drawn.

author: uliano
author_rank: Regular Contributor
timestamp: December 05, 2022, 07:22:30 pm
content: Quote from: tggzzz on December 05, 2022, 03:44:40 pmI see, the only thing coming to my mind is that while all generalizations are wrong there is more margin in tolerating self inflicted ones. They are baffling.