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Planck's Constant Apparatus Compact, easy-to-use apparatus Accurate results with less than 5% error Measures Planck’s constant and estimates the work function of cesium The Planck’s Constant Apparatus is a compact unit containing an enclosed vacuum photocell with an attachment for illuminating light sources, a high stability power supply for applying a variable stopping voltage to the cell and a nanoammeter for measuring the resulting photocurrents. High quality stabilized LED supply and amplifier yield results for h to better than 5% All materials included are packed in a compact, lightweight unit. INSTRUCTIONS FOR USE PLEASE CLICK HERE
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$2,300.00