Yokogawa 51012 数字照度计(0~999,000lx;±2%rdg±1dgt)

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: ±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

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




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