Enable students to explore quantum mechanics hands-on with this apparatus designed for investigating Planck’s constant and the photoelectric effect. Ideal for secondary schools and colleges, it provides a practical approach to understanding fundamental physics concepts.

• Includes phototube, control unit, power supply, and three LEDs (green, red, blue)
• Built-in voltmeter (4 digits, 2mV sensitivity) and nanoammeter (4 digits, 5nA sensitivity)
• LED light intensity adjustable from 0–100%
• Anodic tension and current cut-off button for precise control
• Comprehensive teacher guide included
• Control station dimensions: 190mm x 130mm; phototube base: 130mm x 180mm x 150mm
• Key Stage 4+ suitability