Products > Test Equipment
AN8008 US $19, 9999count, 1uV, 0.01uA, 0.01Ohm, 1pF resolution meter
matura713:
--- Quote from: plazma on July 15, 2017, 07:21:37 am ---
IIRC the calibration parameters are in the EEPROM. So you need the meters original dump for modifications.
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good reminder, it's correct, but from my point of view it's another advantage - if you want to calibrate it better by yourself.
Fungus:
--- Quote from: floobydust on July 14, 2017, 10:32:28 pm ---My meter came in from AliExpress ANENG store. Price has gone up since I ordered it now USD $24.18 and supposedly 29% off the regular $USD 34.
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Ooooh, they make a cute miniature multimeter as well. :) (with teardown pic in the store!)
Edit1: Reading the small print, that meter needs a weird 12V battery. And ... what the hell is this? I never saw that on a meter before.
Edit2: I also found/ordered something else they make that's very interesting but I'm keeping it secret for a while seeing as how everybody else gets their stuff a week ahead of me. (no my AN8008 didn't arrive yet >:( )
--- Quote from: floobydust on July 14, 2017, 10:32:28 pm ---Replacement fuses in North America... I have 10A for current and 200mA for input.
Littelfuse 3.6x10mm fuses and Bussmann/Eaton, Schurter SPT 3.67x10; This size is 250VAC interrupt-rated...
But all have pigtails :(
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Can't you just cut them off? :-//
Fungus:
--- Quote from: ocw on July 15, 2017, 04:42:01 am --- For an approximately 1 mA current reading I had the choice of 989.8 uA (1.01% low due to the 100.561 meter insertion resistance) or 1.0 mA. Yes, that's two digits, 10% error represented by the least significant digit. That's the best resolution possible just above 1 mA. The -1% uA error continued down to around 200 uA. When the reading was corrected for the added resistance, the uA accuracy was typically below 0.1%.
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I can live with that. I don't think I need to measure 10mA with two decimal places very often.
Besides, nobody around here owns just one multimeter. I'm sure you own other meters if you need that particular reading.
(or use a shunt)
ocw:
--- Quote ---I don't think I need to measure 10mA with two decimal places very often.
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You set a low standard to meet. My accuracy verification tests showed that the AN8008 current reading accuracy ranged from 2.1 - 6.6% for readings between 2 - 10 mA. Many economy analog meters can do better than that! While you can't expect perfection from a $20 meter, one which can provide an accurate 20 uA reading should be able to read 2 mA accurately. Being required to get a different meter when a reading which you are peaking goes above 1 mA doesn't make sense.
I'm glad that I purchased the meter. It's a handy small meter for certain tasks.
JohnPen:
Fungus you are not alone! I have also been waiting patiently,enviously and increasingly jealously for this electronic dream since ordering on 30th June! Hopefully both ours will arrive very soon!
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