Products > Test Equipment

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

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--- Quote from: rdl on September 09, 2017, 04:45:45 pm ---My AN8008 finally shut off after running non-stop for over 16 days. I never saw the low battery indicator appear on screen. I had just checked it late yesterday afternoon and there was no low battery warning, but this morning it was dead. So it must not appear until only a few percent of battery life remains. I checked the two batteries when I took them out for recharge and they were at 1.219 and 1.225 volts. The batteries used were regular (non-eneloop type) Energizer brand NiMH rated 850 mAH.

--- End quote ---
I tested one of the meters (AN8002 or AN8008, I forgot which one) and it seemed to work down to 2,2V without loss of accuracy. A NiMH is pretty much depleted by 1,1V, so I'm not worried. Given the fact the unit uses about 1,2mA your 16 days seems to be in the same rough ballpark using (as I do) 500mAh LSD cells. I use these brown Ikea cells, they are not overly expensive and they are said to be rather good. Just make sure you have a spare set of batteries lying around (if not I'll just open a remote while charging the ones from the meter). To be honest I was more annoyed by the fact it keeps on beeping when turning off the APO then by it's depleting batteries in "just" 16 days of continuous use.

Mr. Scram:

--- Quote from: Fungus on September 12, 2017, 08:59:03 am ---...unless you want to measure milliamps.

--- End quote ---
I thought the milliamps range was supposed to be good on the AN8008.

HKJ:

--- Quote from: Mr. Scram on September 12, 2017, 04:54:02 pm ---
--- Quote from: Fungus on September 12, 2017, 08:59:03 am ---...unless you want to measure milliamps.

--- End quote ---
I thought the milliamps range was supposed to be good on the AN8008.

--- End quote ---

The higher mA is good, the lower mA is missing.

stj:
wouldnt lower mA readings be covered by the uA range, given it's a 10,000 count meter?

HKJ:

--- Quote from: stj on September 12, 2017, 05:35:51 pm ---wouldnt lower mA readings be covered by the uA range, given it's a 10,000 count meter?

--- End quote ---

You can do up to 1mA in the uA range, the mA range only has a 1000mA range with 0.1mA resolution, i.e. worst case mA is with one digit after the decimal point.

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