Starlac Industries supplies Crompton Potentiometer, EE - 552. Starlac Industries is an ISO 9001: 2000 certified manufacturer and exporter of scientific instruments. The Crompton Potentiometer offers direct reading of potentiometer range 0.0005 to 1.75 volts. It also has Circular slide wire is divided into 250 parts on a white perpex scale. Coarse and fine Rheostats provided to control the range. Rotary dials also in six steps to control by a knob. Two set of terminals are given on the panel for E.M.E. And standard cell. Two set of terminals for galvanometer and Battery. A selector switch is provided to control rapid change. Coils are perfectly aged and dry. Accuracy ± 0.1%. All coils are calibrated on Imported Testing Bridge.