Measurement of the effects of electromagnetic radiation became a field of study as early as the end of the 18th century. Measurement techniques varied depending on the effects under study and gave rise to different nomenclature. The total heating effect of radiation as measured by thermometers led to the development of radiometric units in terms of total energy and power. The use of the human eye as a detector le.
Contact us for competitive quotes on any of our power communication and smart grid products
Get a Quote