DE - 350/102B - Analog Light Meter
Big shiny scale. Light sensor separate design. Range mark (nm) : 400 ? 700. Peak wavelength (nm) : 550
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DER EE Electrical Instrument
7F-2, No. 351, Sec. 2, Chung Shan Rd.,
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DE - 350/102B - Analog Light Meter
Big shiny scale. Light sensor separate design. Range mark (nm) : 400 ? 700. Peak wavelength (nm) : 550
|
DER EE Electrical Instrument
7F-2, No. 351, Sec. 2, Chung Shan Rd.,
|