Description

For measurement of small quantities of electrical charge. Sturdy plastic case with a transparent window for viewing the coil movement. Two socket terminals for electrical connections. Circular base with three levelling screws for stable horizontal alignment. Lightweight mirror and scale system for sensitive deflection measurement. Phosphor-bronze strip suspended for high sensitivity and minimal damping. The coil can be raised or lowered or set to zero by an adjusting knurled knob at the top. A knob at the back is provided for clamping and releasing the coil. Resistance of coil: 500ohms