Products > Test Equipment

AN8008 US $19, 9999count, 1uV, 0.01uA, 0.01Ohm, 1pF resolution meter

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plazma:

--- Quote from: Fungus on August 04, 2017, 04:38:55 pm ---
--- Quote from: plazma on August 04, 2017, 12:35:50 pm ---IMHO AN8002 is a better option for general use and AN8008 is only better in those small ranges.

--- End quote ---

Yep.

And the AN860B+ has all the features of both of those plus a few more (e.g. REL, MIN/MAX) for about $2 more

--- End quote ---
I paid 12€ each for my AN8002 units. AN860B+ got more features but is regular size.

floobydust:

--- Quote from: plazma on August 04, 2017, 12:35:50 pm ---I tested some button options for the AN8008.... ... no button hacks found....
--- End quote ---

No "eggs" as the chinese say in the AN8008 :(
Only simple hack is to enable the temperature function.

I put a scope on the pushbutton scan lines and no pulses. They are only on/off so the AN8008 has unique firmware. I thought it would be the same as the generic DMM IC family, with EEPROM enabling more digits.

The AN8002 is the mother of the AN8008, look at the PCB.
Should be able to add external reference IC to AN8002 and not sure how it would do at 9,999 counts.

Gandalf_Sr:
Can someone point me to where the information is on how to get temperature added to the AN8008?

Mine is apparently in Michigan now, about 40 miles away from me as of 10:51pm yesterday EST.  Might arrive today but more likely Monday; maybe never.

matura713:

--- Quote from: Gandalf_Sr on August 05, 2017, 12:02:36 pm ---Can someone point me to where the information is on how to get temperature added to the AN8008?

--- End quote ---

https://www.eevblog.com/forum/testgear/an8008-us-$19-10000count-1uv-0-01ua-0-01ohm-resolution-meter/msg1258876/#msg1258876

floobydust:

--- Quote from: matura713 on August 05, 2017, 07:11:11 pm ---
--- Quote from: Gandalf_Sr on August 05, 2017, 12:02:36 pm ---Can someone point me to where the information is on how to get temperature added to the AN8008?

--- End quote ---

https://www.eevblog.com/forum/testgear/an8008-us-$19-10000count-1uv-0-01ua-0-01ohm-resolution-meter/msg1258876/#msg1258876

--- End quote ---
I think that post is wrong, he did not add it the "mA" function but V function.

Instead I  added it to the mV function:
* EEPROM address 0xAC changed from 0x00 to 0x13 adds °C to mV function
* EEPROM address 0xBC changed from 0x00 to 0x15 adds °F to mV function

Purple highlight in attached partial EEPROM (feature map) dump.
The rotary switch also supports temp measurement but that position is missing.

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