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CCD Imageing Color Photometer-
LMK 98-3 Color (Color Filter Wheel) |
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LMK98-3 Color camera is equipped with a filter wheel adapted to the
color matching functions of the 2° CIE standard observer (CIE 1931)
for color measurement. Thus, luminances and color coordinates can be
measured in a spatially resolved way.The filter wheel has 6 filter
positions, with 4 filters being required for color measurement.
Furthermore, the measuring system can be equipped with additional
filters for the scotopic luminance V'(λ), the circadian principal
function C(λ), with an IR filter (measurements in the NIR range
λ=780-1000 nm) or a clear glass filter. |
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Feature |
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Complex evaluation of luminous and illuminated scenes by means
of the photograph of an image-resolved luminance distribution
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Simultaneous recording of a big number of connected measuring
data easy data analysis (at a glance)
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Luminance distributions in measuring images L(x,y)
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Derived lighting-engineering parameters such as illuminance
distribution E(x,y) and luminous intensity distribution I(x,y)
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Statistical data for being used in calculation programs (z.B.
EXCEL®, MatLAB®, LabVIEW®)
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Application |
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Night design
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Measurement of headlamps
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Measurement of lamps and luminaires
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Exterior lighting ex：roads and tunnels
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Interior lighting
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Display measuring
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Specification |
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Model No. |
LMK 98-3 Color |
| Sensor |
CCD Sony
ICX 285 AL |
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Resolution (Effective pixel) |
1380 (H) x 1030 (V) |
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Video signal |
12 bit digital, progressive scan, data transfer with
parallel interface (max. 25m PC-cable) or FireWire
interface (IEEE 1394, iLink, max. 5m PC-cable) |
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Dynamic (Luminance-measurement) |
Single measurement: 1:1100
Multi picture
measurement:1:3600
High dynamic measurement: 1:10000000 |
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Dynamic (Color-measurement) |
High dynamic measurement: 1:10000000 |
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Optional filter positions |
Glass filter (standard)
Skotopic matching V'(λ)
Circadian matching C(λ)
IR-filter (optional for NIR-Area) |
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Measurement values |
- Luminance: L (cd/m²)
- Further measurement values are free scalable
- Color coordinates: x,y,Color temperature,
Dominant wavelength, Saturation(Purity)
- Supported color spaces: RGB, XYZ, sRGB, EBU-RGB,
User, Lxy, Luv, Lu'v', L*u*v*, C*h*s*uv, L*a*b*,
C*h*ab, HIS, HSV, HSL,WST
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Option |
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Fixed Focus Lens |
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Focusable Lens |
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Macro Lens |
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Half Space Lens |
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Conoscopic Lens |
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Neutral density Filter |
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