Najlepsza pozytywna recenzja dla Tester na Banggood Poland|Zakupy Polska

42% OFF ANENG AN870 Automatyczny zakres cyfrowy precyzyjny miernik multimetr 19999 liczników True-RMS NCV Ohmmeter Tester US$33.99 US$58.99 View It

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hAKi 16/12/2021

I'm a little disappointed. Signs for units are decidedly too small! Temperature measurement is inaccurate. At -18 degrees Celsius the instrument shows +5 degrees, at 0 degrees it shows +6 degrees, at +6 degrees it shows +14 degrees and at 98 degrees it shows 103 degrees. True RMS is a story in itself. With open terminals it shows some completely random values and even with closed ones it does not show 0. It works satisfactorily only for sinusoidal signals, with rectangular ones the error is already around 20% at 50Hz! Useless. Interestingly, I didn’t notice this nonsense when measuring the current.

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