Ballistic Galvanometers

Used for measurement of small quantities of electrical charge and currents. Leveling Screws for balancing the coil. Coil with mirror suspended between long suspension at the upper end and a spring at lower end. Suspension and spring are made of special alloy to provide high degree of sensitivity to the movement. Movement housed in a Bakelite case, rigid and robust. Clamping arrangement for transportation. Consistent sensitivity over a longer period. Strip provided for damping its ballistic movement. Specifications: Coil Resistance (O) : 100 Charge Sensitivity (mm/μC) : 300 Current Sensitivity (mm/μA) : 1000 Time Period (seconds) : 12 Critical Damping Resistance (O) : 2000