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Photoelectric element: Silicon photodiode
Display: Liquid crystal display (number of 7 digits);maximum effective display:999; (0 or 0's to indicate the number of digits)
Measurement cycle: Twice per second
Measuring range: 0.0 to 99.9/999/9,990/99,900/999,000lx
Accuracy: ±4% rdg ±1dgt (under 3000lx), ±6% rdg ±1dgt (over 3000lx)
Response time: Automatic range : 5 sec; Manual range: 2 sec
Fatigue characteristics: ±2%
Temperature characteristics: ±5%
Characteristics of oblique incident light: Angle of :10° ±1.5%,30° ±3%,60° ±10%,80° ±30%, deviation from cosine law
Characteristics of visible-spectrum response: Deviation from the standard spectral luminous efficiency: f1' within 9 %
Operating temperature / humidity: -10 to 40°C 80% RH or less ;no moisture condensation
Function: Response switching, Range Hold, Timer Hold, Deviation display, Auto power off
Communication: USB (Mini-b 5pin)
Output: DC 1V ±5%(fixed range); load resistance: 100kΩ or more
Dimensions, weight: Approx. 67(W) x 177(H) x 38(D) mm; Approx. 260g
Power supply: AA (LR6) x 2 OR USB supply (5VDC ±5%)
Accessories attached: Instruction manual; dry cell(built in); soft case; recorder output plug
Accessories (Sold separately): Extension cable for light detector 91001, 91002
