\documentclass[]{standalone}
\input{./tikzpreamble}

\begin{document}
\begin{circuitikz}[scale=2]

    \draw[color=black, thick]
    (0,2.8)
        to [short, *-] (-.8,2.8)
        to [voltmeter] (-.8,-.35)
        to [short, -*] (0,-.35)

    (0,3) 
        to [R, l={$R_0$}, v_>=$I_{ges}$, o-] (0,1.5)
        to [nos, *-] (0,1)
        to [R, l={$R_1$}, v_>=$I_{ret}$, -o] (0,-.5)

    (0,1.5)
        to [R, l={$R_{0+}$}] (1,1.5)
        to [nos, *-] (1,1)
        to [R, l={$R_1$}, -] (1,-.5)
    
    (1,1.5)
        to [R, l={$R_{0+}$}] (2,1.5)
        to [nos, *-] (2,1)
        to [R, l={$R_1$}, -] (2,-.5)

    (2,1.5)
        to [] (2.5, 1.5) node[right]{...}
    ;

\end{circuitikz}
\end{document}