| 摘要 |
PURPOSE:To permit to attain photoelectric output by obtaining luminous intensity on the surface of photoelectric converter and an exposure amount conversion factor. CONSTITUTION:Radiation from a reference light source 1 is separated into its spectral components by a monochromator 2 for each unit wave length and then converted to an electrical signal by a tested photoelectric converter 3. This photoelectric output for each unit wave length is transmitted to a tested photoelectric converter spectral sensitivity storing section 10. A measuring light amount arithmetic section 4 receives the data from a tested light source spectral radiation intensity storing section 7 and a reference light source spectral radiation intensity storing section 8 to multiply those data together for each unit time. Similarly, a radiation amount arithmetic section 5 multiplies the data from the storing sections 7, 8 and 10 together for each wave length. Next, outputs from the arithmetic sections 4, 5 are sent to an exposure amount conversion factor arithmetic section 6, where the ratio of outputs from both arithmetic section 5 and 4 are calculated to obtain an exposure amount conversion factor. |
