Major tech MT942 Manual del usuario - Página 9
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Relative Spectral (Sensitivity)
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The deviation from the comparative standards for luminosity is determined by
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JIS standard C 1609-1993.
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Peak sensitivity wavelength : 550 nm
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Corrected LED day white light Spectrum
9. Attention
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Set for referring the testing of source of light is located at the right top end (0
•
degree) of the light sensor ball plane.
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When the meter is not in use . please keep the cap of the light sensor in its place
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to avoid the photo diode from wearing out.
LED Light Meter User Manual
(Typ.Ta=25°C)
100
90
80
70
60
50
4
0
30
20
10
0
300
444
400
44
500
444
600
444
700
444
WAVELENGTH (nm)
G
1.2
1.
0
0 8
.
0.
6
0.
4
0.
2
0
350 400 450 500 550 600 650 700 750
4
4
4
4
4
4
WAVELENGTH
G G
λ
Light Source 0 degree
800
444
900
4
4
(mm)
9