Ballistic Galvanometer

For measurement of small quantities of electrical charge. the moving coil is suspended by a phosphor bronze strip, which carries an optically true concave mirror. The coil can be raised, lowered or set to zero by an adjusting knurled knob at top. A knob at back is provided for clamping and releasing the coil. With leveling screws.


Available Options

Cat. No.resistanceperiodsensitivity-of-coilQuantity 
PH64302/1100 Ohms10-12 sec.180 mm
PH64302/5500 Ohms10-12 sec.400 mm