|
EG-40 PHOTOMETER The fundamental instrument to make optical experiments quantitative. It measures from a candle to the sun with a flexible fiber optic probe to get into those awkward places. The small diameter of the fiber optics bundle let's you scan images for their brightness distribution. |
|
|
|
EG-45 RADIOMETER A companion instrument that measures the total energy in the spectrum from the infrared to the ultraviolet. Calibrated in watts/square meter radiation from a human hand or solar radiation. With EH-10 Leslie's Cube it demonstrates the wide differences of emmissivity from warm surfaces. With the Stefan-Boltzman Source it verifies Stefan's fourth power law. |
