Light meter Lux Meters à¤Ã×èͧÇÑ´áʧ > Light / Lux Meter à¤Ã×èͧÇÑ´áʧ DIGITAL Light / Lux Meter à¤Ã×èͧÇÑ´áʧ TM-202 TENMARS ªèǧÇÑ´ 200,000 lux »ÃѺ 0 ä´é TM-202 ... Digital Light Meter DISPLAY - 3½ digits LCD with maximum reading 2000. - 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. - Length of wire for light sensor: approximately 1.5M. - Cosine angular corrected. Model TM-201 TM-202 Data hold V V DC analog output V Max/ Min /AVG hold V Max hold V Zero adjustment V V Sensor Silicon photodiode and filter Measuring range 20 ( TM- 202 ), 200, 2000, 20000, 200000 Lux 20,200, 2000, 20000 Foot-candle Accuracy +/- 3% (Calibrated to standard incandescent lamp 2856º K) +/- 8% (other visible light source TM-201) +/- 6%(other visible light source TM-202) Angle deviation from cosine characteristics 30º +/- 2% 60º +/- 6% 80º +/- 25% DIMENSION Meter size (LxWxH) 130x55x38mm Sensor size (LxWxH) 80x55x25mm Weight (including battery) 250g APPLICATION : warehouses, factories, office buildings, restaurants, schools, library, hospitals, photographic,video, parking garages, museums, art galleries, stadiums, building security. Light meter Lux meter TENMARS TM-202 à¤Ã×èͧÇÑ´¤ÇÒÁà¢éÁáʧ à¤Ã×èͧÇÑ´áʧ