Digital Light Meter TES-1335. Measuring Levels Ranging 0 to 400,000 Lux, 0 to 40,000 fc. Accurate and Instant response. Peak Hold function Lux / Light Meter TES-1335 Digital Light Meter Application: Spectral Sensitivity close to CIE photopic Curve. Measuring Levels Ranging 0 to 400,000 Lux, 0 to 40, 000 fc. Accurate and Instant response. Data Hold function. MAX/MIN function. Peak Hold function. Relative function. Cosine Angular corrected. Auto-Power-Off function. CNS 5119 class11 Specification Display 3 3/4 digit LCD with bargraph indication Measuring Range 40, 400, 4000, 40000, 400000 Lux 40, 400, 4000, 40000 fc (1 fc = 10.76 Lux) Overrange Display Highest digit of (1) is displayed Resolution 0.01 Lux Accuracy ±3% rdg ±0.5dgt (Calibrated to standard incandescent lamp, 2856°) CIE photopic f ` 1 < 9% Temperature Characteristics ±0.1% / Measuring Rate Approximately 2.5 time/sec Photosensor Silicon photodiodes Operating / Storage Conditions 0 ~ 50 < 80% RH -10 ~ 60 < 70%RH Power Source 6 pcs AAA size Battery Battery Life (typical) 200 hours Photosensor Lead Length 150 cm (approx.) Photosensor Dimensions 100(L) ×60(W) ×27(H)mm Dimension 135(L) ×72(W) ×33(H)mm Weight 250g Accessories Carrying case, Instruction manual, Battery Light meter Lux meter TES TES-1335 à¤Ã×èͧÇÑ´¤ÇÒÁà¢éÁáʧ à¤Ã×èͧÇÑ´áʧ