Products > Test Equipment
AN8008 US $19, 9999count, 1uV, 0.01uA, 0.01Ohm, 1pF resolution meter
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floobydust:
They ran out of positions on the rotary switch for 9mA and 99mA ranges. You have to switch to a mid-shunt (R24, 1R) which is already on the PCB.
Right now its 0.010 \$\Omega\$ or 100 \$\Omega\$ shunt only. The DMM IC supports these ranges, have to hack the rotary switch and add CAL factors to EEPROM.
mnementh:

--- Quote from: stj on September 10, 2017, 12:21:19 pm ---well space is an issue for a lot of us, i really couldnt get any more scopes of the classic type - something like a rigol,yes.
but no space for any more crt scopes.  :(

--- End quote ---

LOL... space IS an issue for me too. That's why I'm down to these absolutely ESSENTIAL few from *mumblety-seven* that I USED TO have.  :-DD


in other news... my spaghetti 17B meter arrived today, along with a brand-new new radiator for my Franken-Cruiser. Both delivered to my door a day early, and a total cost of less than $65. How the hell is that even POSSIBLE?!?  :-//

In all honesty, the spaghetti 17B has quite a bit more "quality" feel than even my old "backup" $99 Sperry; that cheap vinyl boot makes a helluva difference. Large, crisp  numbers, but not the broadest viewing angle... however, still easy to read even with my glasses off. I'd like a longer BL timer; but then, I'd prefer 4 AA power to support that with tolerable battery life. It's rated 1000VDC/600V Cat IV on the front with a 250V rated Fuse inside; I suppose if you stuck the leads up 4 cats' arses and probed with their noses you might could measure that with some theoretical measure of safety.    :bullshit:


Anyhoo... my only regret now is that I didn't buy 10 more to sell; guess I'll have to fund my soldering station habit some other way.  :palm:


Cheers,


mnem
If we save the whales, where will we keep them?
bitseeker:

--- Quote from: mnementh on September 14, 2017, 04:00:23 am ---If we save the whales, where will we keep them?

--- End quote ---

Yes, space would definitely be an issue.
kde:

--- Quote from: floobydust on September 13, 2017, 07:45:38 pm ---You have to switch to a mid-shunt (R24, 1R) which is already on the PCB.
--- End quote ---
Do you know where can I find the full AN8008 circuit diagram?
floobydust:
There are no formal schematics, I traced one out and it is pretty much the datasheet with an external Vref IC:
Some are translated, if you search the web.
https://www.eevblog.com/forum/testgear/new-aneng-multimeter/msg1279811/#msg1279811

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