EUW-29 Capacitance Substitution Box The Heathkit model EUW-29 Capacitance Substitution Box is a handy laboratory aid that makes a wide range of capacitors (18 different values) readily available. This makes it possible to experimentally determine the value of most any capacitance that is required in a circuit. SPECIFICATIONS -------------- Range . . . . . . . . . . . . . . . . . . 0.0001 uf through 0.22 uf Voltage Rating . . . . . . . . . . . . . 0.0001 uf through .00047 uf 500 volts 0.001 uf through .1 uf 600 volts 0.15 uf through .22 uf 400 volts Accuracy. . . . . . . . . . . . . . . . . 0.0001 uf through .00047 uf +/- 5% 0.01 uf through .22 uf +/- 10% Capacitors. . . . . . . . . . . . . . . . Silver mica and plastic molded tubular Dimensions. . . . . . . . . . . . . . . . 4-3/4” wide, 4-1/4” deep, 5” high Net Weight. . . . . . . . . . . . . . . . 1-1/2 lbs.