Elenco Resistance Substitution Box Resistance Range From 1Ω To 11, 111, 110MΩ 1% Precision: 1Ω-40kΩ- 1 Watt/ 100kΩ- 4MΩ- 1/2 Watt

The RS-500 resistance substitution box is a convenient instrument for determining the desired resistance values In circuits under design or test.The resistance obtainable is from 1 Ω to 11, 111, 110 Ω in 1 Ω steps.All resistors are precision 1% resistors.'