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Acceptance Testing
CatalinaWOW:
These projects can improve your confidence in your meters. But if you are really concerned about accuracy you are diving into a whole new set of questions. Are you sure that each and every one of the resistors you have purchased is good? How will you calibrate your current source?
The whole investigation is interesting and can eventually lead to having better accuracy than many calibration labs. But to get there you will have little time for your other electronics interests.
PixieDust:
--- Quote from: CatalinaWOW on October 30, 2022, 02:41:29 pm ---These projects can improve your confidence in your meters. But if you are really concerned about accuracy you are diving into a whole new set of questions. Are you sure that each and every one of the resistors you have purchased is good? How will you calibrate your current source?
--- End quote ---
I haven't got it all figured out yet. I'm not sure is the answer at the moment.
--- Quote from: CatalinaWOW on October 30, 2022, 02:41:29 pm ---The whole investigation is interesting and can eventually lead to having better accuracy than many calibration labs. But to get there you will have little time for your other electronics interests.
--- End quote ---
The only reason why I'm going into this is two fold:
1.) Buy cheap and buy twice. I have learned first hand why this is the case in electronics. But now that I have gone down the cheap route, I might as well make the most of it i.e. now that I'm looking into precision, I might as well go as far as reasonably possible.
2.) The best part of cheap old equipment is that you're learning on something that is inexpensive, so mistakes won't cost a lot of money. Admittedly in electronics mistakes are more related to not getting shocked yourself rather than damage to equipment, which I'm sure was designed with these things in mind, but still.
But yes, taking time from my main project with all this. But as I have found out, you have essentially two choices, the cheaper route or the expensive route. Sure I can get new, state of the art equipment straight away and get my project moving, or I can take the frugal route. Takes longer, but the end result I suspect might be cheaper. Requires a lot more operator training however and going down into the weeds. I have a sneaking suspicion that the more manual, longer route is probably the better option. You learn a lot more and that in itself is worth the effort. Whether this route is cheaper or not, I don't know. All I can say is that the expenses that I have avoided thus far are quite significant (not just in electronics). But yes, not sure if it's the smart move at this stage.
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