光照度计检定规程 Verification Regulation of Illuminance Meter

光照度计/照度计 luminance meter/lux meter/foot candle meter

光电照度计 photoelectric illuminometer ; photoelectric luxmeter

照明光度计 illuminometer ; illuminatic

光电式照度计 photoelectric illuminometer

光电管照度计 photocell illuminometer

照相光度计 photographic photometer

光电池照度计 photo-cell illumine meter