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| Keysight New instruments |
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| mawyatt:
Hat's off to Keysight for having service manuals, wish they would include schematics like the old hp and Tektronix days tho. Maybe others will follow with service manuals & schematics ::) Best, |
| bd139:
Most things have service manuals. Getting at them is always the problem. |
| floobydust:
--- Quote from: mawyatt on February 27, 2021, 06:24:12 pm ---Hat's off to Keysight for having service manuals, wish they would include schematics like the old hp and Tektronix days tho. Maybe others will follow with service manuals & schematics ::) Best, --- End quote --- Did you even look at them? They're not "service manuals" but really a CAL manual or "service guide" as Keysight calls them.It gives no part numbers for replacement parts, a knob or a board. The only user replaceable parts are the fuse, CR2032 RTC battery- the entire reason for giving disassembly instructions beyond resetting passcode. There is no right to repair here, if the PSU gave a sketch of the pass-transistor section at least that could be repaired as it's the least reliable aspect. The PC board photos for the multimeter and PSU are the same lol. I saw the clearout pricing for old 34450A price of USD $725. |
| bd139:
It’s not worth repairing at that price. Engineer time and the fact it has a 3y warranty keep the TCO so low it’s not a trade off a business would bother with. For the lowly end user who finds one in a clearance auction, skip or on eBay, you’re not the target market. The manuals are written for the dude who has to do the 1y, 2y cal and that’s it. As an example I have an autonomous budget for about $35k a month but i can’t hire staff without going to corporate. That means I’m more likely to trade off buy vs build/repair. |
| 2N3055:
--- Quote from: nctnico on February 27, 2021, 05:19:24 pm --- --- Quote from: bdunham7 on February 27, 2021, 05:31:53 am --- --- Quote from: ResistorRob on February 26, 2021, 05:06:09 am ---The Fluke 8808A is absolutely ugly. I don't want to look at that everyday, lol The BK Precision 5492C seems nice, but I don't see any way it's superior to the Instek GDM-9060. It's one digit less and costs $100 more and has a more dated look to it. --- End quote --- I didn't realize it was a fashion show! If you want 6.5 digits, BK has the 5493C. I don't know where you are looking at prices, but the 5493C will be more than the GW-Instek--it's twice as accurate. --- End quote --- I just check but there is also a Instek GDM-9061 which is just as accurate as the 5493C but seems to be cheaper as well. Still no idea on which one actually is more pleasant to use and/or has features which could be handy to have. --- End quote --- Mickle posted a detailed review link to GDM-9061 here: https://www.eevblog.com/forum/testgear/gw-instek-gdm-9060gdm-9061-6-12-digit-multimeters-experiencereviews/msg3211432/#msg3211432 |
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