ESAW Spot Reflecting Galvanometer (EEC-10241)
Applications : Spot Galvanometer finds extensive use as a D.C. null detector in wheat stone bridges and potentiometers.
Mains feed : It is a 'mains' operated instrument but can operate on a 6 volt battery also. There is provision to operate this instrument can be operated on both a well as main supply 220 volts, 550 Hz or 6 Volt Capacity.
Light Source : The light Source is 6 Volt and 0.3 Amp bulb giving a bright spot on the scale.
Construction : The galvanometer has built in lamp and scale arrangement and housed in a Bakelite case. The highly sensitive moving coil system is suspended in a taut band manner in a uniform field of permanent magnet.
Scale : The scale is 150 mm long and is marked for both center and end zero use.
Zero Adjustment : The spot of light can be set at any point on the scale with the help of zero adjusting knob.
Sensitivity Control : The sensitivity is controlled by a 2-pole, 6 way switch. The switch Positions are D, 1/10) 1/100, 1/1000 and s/c
Working Voltage : 220 V AC
Time Period : 2 seconds