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Home » Electronics » Aneng AN8009 Improve Accuracy, measuring Speed

Aneng AN8009 Improve Accuracy, measuring Speed

June 5, 2018 by Jack Zimmermann 4 Comments

Just got my new Aneng AN8009 Multimeter in the mail. I’ve made an old post about improving the responsiveness of the Aneng AN8008 in an earlier blog post. I loved that meter, but I gave it to my son who is just beginning on his electronic journey. So naturally, I needed a replacement. After checking eBay, I found that there’s a new model, the Aneng AN8009 so I decided to get that model. It has the same problem that the Aneng AN8008 had; it’s slow to settle on a value when measuring. Fortunately, my old modifications work on the Aneng AN8009 as well.

Aneng AN8009, A Great Little Multimeter

It’s a fabulous multimeter. It now has added features like temperature measurements and NCV, so you don’t go poking around high voltage by mistake. But it has the same problem that the AN8008 had. When measuring it takes about five seconds for it to settle down. That get’s old quickly. But luckily, my earlier modification works. After soldering a 0.1µF, 1µF, and a 10µF 0805 SMD capacitor, and replaced the 100µF electrolytic capacitor with a good quality 1000µF/10V Panasonic FM capacitor, it’s fast as a fox. I also added a 4.7µF 0805 capacitor to the voltage reference. You can find how to modify your Aneng AN8009 meter here.

Aneng AN8009 Modifications photo

The Results Of The Modifications

Here’s the before and after measurement of the DC rail. Quite the improvement. And it shows when using the multimeter. It now settles in less than a second and stays right on the money. Very nice!

So now I have a small pocket multimeter that is fast again, and I like the new features. The Aneng AN8008 and AN8009 are the best multimeters you can get for under $30. Just don’t go poking around high voltage, because the rating on this meter is not to be trusted. But for low voltage electronics, it’s perfect!

Filed Under: Electronics Tagged With: AN8009, Aneng, Electronics, Modding, Multimeter

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Comments

  1. Timothy Jan Atkins says

    February 20, 2019 at 13:40 CET

    Do you happen to know where I can get replacement 200mA and 10A fuses from?

    Reply
  2. Kvert says

    February 21, 2019 at 13:39 CET

    Aliexpress

    Reply
  3. Jeff says

    March 3, 2019 at 16:07 CET

    Part numbers for the 2 AN8009 fuses on Aliexpress. Thx

    Reply
  4. murat says

    August 6, 2020 at 23:55 CEST

    can you help me? When an8009 is switched to the multimeter diode mode, it does not display the .0L value, it shows 1.818v. It shows 0000 when the probes are shorted. The .420 diode measures .300. Thank you.

    Reply

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Portrait of Jack Zimmermann I'm a Swedish computer old timer hacking away on computers since 1979. I'm a total Apple and Linux gear head. Right now, I'm really into electronics. [Read More]

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