reset

set encoding iso_8859_1
set xrange [-1:8]
set yrange [3.9:5.3]
set title "Staudruck bei l = 20cm"
set xlabel "[r in cm]"
set ylabel "[p_d in mmWs]"
set grid xtics ytics
set key bottom right

plot 'DatenStaurohr20.txt' us ($1):($2) title 'l = 20 cm' lt 1

set output "staurohr20.eps"
set term postscript enhanced eps color; replot