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product - YOKOGAWA-TEST-AND-MEASUREMENT - Lux Meter

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Digital Lux Meters 51000 Series
Yokogawa digital lux meters offer:
Wide measurement range, high accuracy
Spectral response characteristics for visible range
Good oblique incident light characteristics
USB communication and USB power supply
Recorder output

Specification

Model 51011

Standard:
Conforms to class A of JIS C1609-1 2006 "Illumination Meter"

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)

Characteristics of oblique incident light
Angle of:
10 1.5%
30 3%
60 10%
80 30%
(deviation from cosine characteristics)

Characteristics of visible region relative spectral response:
Devation from the standard spectral luminous efficiency: f1' within 9 %

Operating temperature / humidity:
-10 to 40C 80% RH or less; no moisture condensation

Function:
Response switching, Range Hold, Timer Hold, Deviation display, Auto power off

Communication:
USB

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 (5 VDC5%)
Accessories attached:
Instruction manual; dry cell (built in); soft case; recorder output plug