Top positive Bewertung für Voltmeter auf Banggood Germany|Kaufen Deutschland

Geekcreit® 3-in-1-Wechselstromvoltmeter Amperemeter 60-500V 100A Hz Frequenzmesser 22mm Digitalstromspannung Ampere Signal-Licht LED-Lampenindikator mit CT

25% OFF Geekcreit® 3-in-1-Wechselstromvoltmeter Amperemeter 60-500V 100A Hz Frequenzmesser 22mm Digitalstromspannung Ampere Signal-Licht LED-Lampenindikator mit CT US$5.99 US$7.99 View It

Gesamt：

Arede 16/05/2020

Produto muito útil e interessante. Ideal para monitorizar a rede elétrica numa bancada de trabalho. Excelente preço. Eu escolhi o azul mas as restantes cores também parecem bem interessantes. Dos testes que fiz, concluí que a precisão da indicação da tensão da rede e da frequência é excelente. Quanto à indicação da corrente, já não é tão precisa: verifiquei que existe uma diferença, para mais, de cerca de 300mA. Fiz várias experiências com o tipo de fio e com o número de voltas do fio em que queremos medir a corrente. Só é necessária uma volta (fio multifilar ou rígido). Mais voltas aumenta o erro da indicação. Não sei se o circuito tem algum tipo de calibração (é pena que estes produtos não venham acompanhados de algumas instruções). Ainda assim, estou muito satisfeito. Recomendo.

Kommentar (1)

Vorlegen

BG513421110 Haben Sie probiert ob der Fehler, immer bei 300mA bleibt, oder wird er bei höheren Strom auch größer?
Antwort 06/04/2021

Vorlegen

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