Revisión positiva superior para Módulo en Banggood Spain|Compras España

27% OFF Módulo de referencia de voltaje de alta precisión AD584 de 4 canales con carcasa transparente US$18.99 US$25.99 View It

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Kekzmeister 14/10/2020

Its a good way to compare multi meters. Sadly I have no certified nor perfectly calibrated device to check the precision of this reference. I just wanted to check the deviation of my meters and it looks good for me by using this reference. First of all, I soldered a spare LiPo I had laying around that fits into the case. I never would use an unstable USB input to measure my meters. USB charging works perfectly, but the battery looses energy over time. Possible that this device eats some micro ampere, even if its off. But it charges fully in a short time. I tested it with a Vichy VC99 (about 10yrs old), ANENG AN8002 (about 4 yrs old) and UNI-T UT204+ (5 months old). Results were: Vichy VC99: 2.498V | 5.000V | 7.49V | 9.99V UNI-T UT204+: 2.501V | 5.006V | 7.49V |9.99V ANENG AN8002: 2.494V | 4.991V | 7.48V | 9.97V Closest one was my bulky Vichy VC99 and the worst result has my ANENG AN8002. But in the end I'm ok with the result and I will still use all of these 3 meters as the worst measured value was just 0.3% off.

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majowhar325 why the products are no avail in India
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