Light meter Lux Meters à¤Ã×èͧÇÑ´áʧ > TM-209 LED light Meter Luminous Intensity Measurement LED Light TM-209 LED light Meter Luminous Intensity Measurement TM-209 Luminous Intensity Measurement LED Light All Visible Light Source 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. Specifications: 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 TM-209 à¤Ã×èͧÇÑ´¤ÇÒÁà¢éÁáʧ à¤Ã×èͧÇÑ´áʧ