Philip Harris Capacitance Substitution Box

Ideal for physics lessons, this Capacitance Substitution Box allows teachers and students to quickly select and test a range of capacitor values in electronic experiments. Designed for secondary schools and colleges, it streamlines circuit investigations and demonstrations.

• Features 1 rotary dial with 12 selectable capacitor values from 100 pF to 1 mFd
• Capacitor values: 100 pF, 220 pF, 470 pF, 2.2 nF, 4.7 nF, 10 nF, 22 nF, 47 nF, 100 nF, 220 nF, 470 nF, 1 mFd
• All capacitors rated at 63V with ±5% accuracy
• Robust and suitable for repeated classroom use
• Supports hands-on learning in electricity and electronics topics