LT45-NISTL / Extech เครื่องวัดแสง Light Meter Measure White, Red, Yellow, Green, Blue, and Purple LED and Standard Lighting in Lux or Foot-Candle (Fc) units.
This is a new lux meter, LX1010BS, which can measure up to 100,000 lux, approximately 5,000 footcandles. It's used for checking the level of luminance, luminance is a measure .............
Reed LX-1102 Dual Display Light Meter with 40 Segment Bargraph
Large, dual display, LCD with 40 segment bargraph High resolution and zero adjustment button
LX1332B / JEDTO เครื่องวัดแสง Digital Lux Meter Display: 3 1/2 digits LCD display,maximum reading value display 1999.Accuracy: ±(4%rdg+10) (>20,000Lux/2,000FC:±5%rdg±10digits) (Calibrated to standard incandescent lamp ...