This galvanometers has a built in lamp and scale arrangement based in a sturdy bakelite case with lock/unlock knob at the top and on/off switch.
Damping Resistance: 125Ω or 500Ω
Sensitivity: 5 to 6µA FSD
4mm color coded socket terminal is provided for input and sensitivity adjustment knob at the front.
Operates on 220-240V AC 50/60Hz.
Time period: 2 second approx.