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HARTMANN & BRAUN > Pont de KOHLRAUSCH

Presentació:


Pont de KOHLRAUSCH

/: Passi el ratolí per damunt l'imatge



Nom: Pont de KOHLRAUSCH
Descripció: Aparell per mesurar la resistència de líquids, genera corrent altern mitjançant una bobina de Ruhmkorff per evitar l'efecte de la polarització. El principi de funcionament és el mateix que el pont de WEATSTONE, si bé, s'utilitza un auricular per detectar el punt d'equilibri, que es manifesta per l'ausència de to. Fabricat per la casa HARTMANN & BRAUN article 615, aproximadament l'any 1894.
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