Principal crítica positiva para Máquina de soldar em Banggood Brazil|Fazer compras Brasil

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OE1CGS 07/06/2020

Genial einfach - einfach genial! Ich habe das Gerät an meiner Autobatterie (95 Ah, angegebener Kaltstartstrom 760 A, zwei Jahre alt) getestet und gemessen. Es gibt 4 Modi: drei automatische, wo alle ca. 2 Sekunden ein Impuls mit Impulslängen von 2,7 ms, 3,6 ms oder 6,0 ms erzeugt wird, und ein manueller, wo das Gerät wartet, bis man die Spitzen platziert hat und ca. eine Sekunde später einen 7,0 ms langen Impuls feuert. Bei mir, geht die Spannung für die Impulszeit auf ca. 5,8 bis 6,2 V herunter, aber das hängt sicher stark vom Zustand und damit Innenwiderstand des Akkus ab. Mit einem Hochstrompräzisionsshunt habe ich dabei den Strom gemessen: Imposante 950 Ampere fließen da für kurze Zeit (siehe Foto, 75mV entsprechen 100 A). Für den sporadischen Gebrauch absollut empfehlenswert, danach verschwindet die Platine wieder in der Schublade. Für einen regelmäßigen, professionellen Einsatz müsste natürlich ein anderes Gerät her.

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