Starlac Industries manufactures Spot Galvanometer, EE - 663. Starlac Industries is an ISO 9001: 2000 certified manufacturer and exporter of scientific instruments. The Spot Galvanometer is used in Senior Kelvin Double Bridge and Industrial Kelvin Double Bridge. Its Res. 125ohms Nominal and sensitivity 5 x 10 Amp Per mm scale division or 6.25 or 10 volts per mm. It also features scale division time period 2 seconds and critical damping resistance 1000 ohms. This Spot Galvanometer operates in 230 volts A.C. 50Hz.