It is fully portable with build in galvanometer and battery, designed to provide an accurate and sensitive measurement of resistance and locating faults in cables by adopting the Murray and Varley loop circuit for tests. Separate terminals for current, battery and galvanometer are provided on bakelite panel. Range
: 0.001 ohms to 11.11 megohms Constantan coil, accuracy ±0.1 %
(Wheatstone Bridge) One meter long, provided with four gaps/ two gaps, plywood base and sunmica top, graduated scales, constantan wire is streched on top of meter scale brass C.P. Strip aend gaps can be closed by removable brass strips and brass terminals are provided to reduce resistance. With Pencil Jockey With pressing Jockey Brass
Higly sensitive instrument to be used as null detector in wheatstone bridge and potentiometer experiments, with built in lamp and scale arrangement in bakelite case, a sensitive moving coil system is suspended in a taut band manner in a uniform field of permament magnet. Zero adjustment knob is provoed to set spot of light. time period app 1.58 second working on 220 V AC available in two different coil resistance. Available : 100 / 600 ohms