Products > Test Equipment
AN8008 US $19, 9999count, 1uV, 0.01uA, 0.01Ohm, 1pF resolution meter
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metrologist:
I did not know you could disable it. Thanks!
stroma:

--- Quote from: plazma on August 02, 2017, 04:52:01 pm ---
--- Quote from: tronde on August 02, 2017, 04:19:41 pm ---
--- Quote from: plazma on August 02, 2017, 01:04:02 pm ---I added RANGE and REL buttons to my AN8002. Let see if button modification is possible with the AN8008.


--- End quote ---

What kind of switches have used? Isn't the rubber buttons to soft for normal push buttons?

--- End quote ---
I used these switches
https://www.arrow.com/en/products/evp-ayf1ba/panasonic

I used 1mm thick PCB for the button separator. I'll take more pictures when I modify my second unit and the AN8008.

--- End quote ---

This is probably the best buttons modification I've seen.
Could you share more detailed description for this modification?
How the PCB separator is attached?
How the button rubber is cut - all the way in two separate pieces or partially?
001:
I check "kazus" forum
And I`m anxious now
Few users sad what stock linearity of readings is not linear

i.e. AN800# use some firmware trick  to avoid last count jitter and to indicate "beautiful" zero  at shorted leads and low  (i.e. noisy?) levels   :-//

What about more tricks?
floobydust:

--- Quote from: stroma on November 15, 2017, 11:33:23 am ---
--- Quote from: plazma on August 02, 2017, 04:52:01 pm ---
--- Quote from: tronde on August 02, 2017, 04:19:41 pm ---
--- Quote from: plazma on August 02, 2017, 01:04:02 pm ---I added RANGE and REL buttons to my AN8002. Let see if button modification is possible with the AN8008.


--- End quote ---

What kind of switches have used? Isn't the rubber buttons to soft for normal push buttons?

--- End quote ---
I used these switches
https://www.arrow.com/en/products/evp-ayf1ba/panasonic

I used 1mm thick PCB for the button separator. I'll take more pictures when I modify my second unit and the AN8008.

--- End quote ---

This is probably the best buttons modification I've seen.
Could you share more detailed description for this modification?
How the PCB separator is attached?
How the button rubber is cut - all the way in two separate pieces or partially?

--- End quote ---

I found the AN8008 does not have the IC pin bonded out for the extra switches. So this mod I believe did not work out.
Rossix:
Hi, I recently bought the AN8008 tester at Banggood, I've made some changes to the tester, as recommended at
https://www.jackenhack.com/aneng-an8008-modify-for-better-accuracy-faster-readings/ .
I did some measurement tests on low currents: in DC current there are no problems, the measurements are correct, both on mA DC and on uA DC, then I tried to measure in AC current at 50Hz network and 230VAC, using a resistor in series with the tester, in the uA AC range there are no problems, but in the mA AC range the measurements start from 7 - 8 mA AC with errors even 50%, then as I increase the current, it becomes more and more precise.
When I try to measure currents of 1, 2 or 3mA AC, the tester remains on 0 mA AC.
I ask if you have also found the same defect of the tester and if you have a solution about it. I have other multimeters and the problem with these obviously does not show up but they work properly, thanks for the help.
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