â·ÃÊͺ¶ÒÁÃÒ¤Ò à¤Ã×èͧÇÑ´áʧ Lux Meter à¤Ã×èͧÇÑ´¤ÇÒÁà¢éÁáʧ Digital Light Meter ÃØè¹ YF-1065, Measuring intensities of illumination in unit of Lux or Foot-candle. YF-1065 digital light meter DISPLAY: - 3 3/4 digits LCD with maximum reading 3999. - Overload indication. - Low battery indication. FUNCTIONS: - According to JISC1609:1993 and CNS 5119 general A class specifications. - Spectral response close to CIE luminous spectral efficiency. - Measuring intensities of illumination in unit of Lux or Foot-candle. - Measuring lights source include all visible range. - 99 records storage. -Cosine angular corrected. - Length of wire for light sensor: approximately 1.5M. SPECIFICATION Light Source Selecting Tungsten/Daylight, Fluorescent, 0~9 select rating Measuring range 40, 400, 4,000, 40,000, 400,000 Lux, 40, 400, 4,000, 40,000, Foot-candle Accuracy +/-3% (Calibrated to standard incandescent lamp 2856º K) and corrected LED day while-light spectrum. +/-6% (other visible light source Meter size (LxWxH) 130x55x38mm Sensor size (LxWxH) 80x55x25mm Weight (including battery) 250g Light meter Lux meter TENMARS YF-1065 à¤Ã×èͧÇÑ´¤ÇÒÁà¢éÁáʧ à¤Ã×èͧÇÑ´áʧ