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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: 0.00 to 9.99/99.9/999/9,990/99,900/999,000lx
Accuracy: ±2% rdg ±1dgt (under 3000lx), ±3% rdg ±1dgt (over 3000lx)
Response time: Automatic range : 5 sec; Manual range: 2 sec
Fatigue characteristics: ±1%
Temperature characteristics: ±3%
Characteristics of oblique incident light: Angle of : 10° ±1%, 30° ±2%, 50° ±6%, 60° ±7%, 80° ±25% (deviation from cosine law)
Characteristics of visible-spectrum response: Deviation from the standard spectral luminous efficiency: f1' within 6 %
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, Color correction factor setting, Average illuminance computation, Ripple measurement, Light source luminous intensity measurement, Measurement of totalized intensity of illumination
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
