à¤Ã×èͧÁ×ÍÇÔ·ÂÒÈÒʵÃì ÍØ»¡Ã³ìÇÔ·ÂÒÈÒʵÃì Light meter Lux Meters à¤Ã×èͧÇÑ´áʧ > Light / Lux Meter à¤Ã×èͧÇÑ´áʧ EA30 Easyview Wide Range EA30 Easyview™ Wide Range Light Meter High Intensity light measurements up to 40,000Fc and 400,000Lux Compact and rugged design with large display Widest range to 40,000Fc/ 400,000Lux is ideal for outdoor applications Additional features: Large display with bargraph, Relative function for zero or difference from reference value and Peak captures short light pulses to 100µSeconds Data Hold and Min/Max readings Auto power off, Zero function Specifications : Light Intensity Range Resolution Basic Accuracy Lux 40, 400, 4000, 40000, 400000Lux 0.01 +3%rdg + 0.5%FS Foot candles 40, 400, 4000, 40000FC EA30 Extech Light meter Lux meter à¤Ã×èͧÇÑ´¤ÇÒÁà¢éÁáʧ à¤Ã×èͧÇÑ´áʧ