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2D 면 측정 휘도 계측기
Luminance Camera, LMK 6
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LMK 6는 CMOS 카메라 방식의 이미지 휘도 측정 시스템으로 한 번의 측정으로 500만개 이상의 Photometric과 Colorimetric 데이터 산출이 가능한 가능한 Image Photometer 입니다.
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카메라 타입의 휘도 계측기
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독일 프리미엄 자동차 브랜드 측정 표준 장비
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세계 1회 측정만으로 휘도 및 Color 공간 분석 가능
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정밀한 Calibration으로 모든 픽셀에 대한 높은 정확도 제공
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조건에 맞는 렌즈 교체 가능
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LMK 1대로 다양한 맞춤형 솔루션 제공 가능
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사용자를 위한 컴팩트한 사이즈 및 무게
Product Family
LMK 6-5 color
LMK 6-12 color
LMK 6-30 color
Technical data
Sensor
- imaging CMOS matrix system
2,464 x 2,056 Pixel
Sony-CMOS[IMX 250; 2/3" diaGonal); Bit digital]
4,112 x 3,008 Pixel
Sony-CMOS[IMX 253; 1.1" diagonal); 12 Bit digital]
6,480 x4,860 Pixel
Sony-CMOS [IMX 342; APS-C; 12 Bit digital]
Housing dimensions without
lenses (H x W x D)
stable black anodized aluminum housing;
117 mm x 90 mm x 47mm
stable black anodized aluminum housing;
140 mm x 110 mm x 47mm
stable black anodized aluminum housing;
150 mm x 170 mm x 70mm
Weight
camera housing without lens: 800 g
available lenses: 120 g - 800 g
camera housing without lens: 1300 g
available lenses: 120 g - 1100 g
camera housing without lens: 1800 g
available lenses: 200 g - 1600 g
Data interface
Gigabit Ethernet Interface (GigE)
Metrological data
Dynamic range
Single picture measurement: 1:1100 (~61 dB)
High-Dynamic measure (exposure bracketing series): 1:10,000,000 (~140 dB)
Spectral matching
Matched to the V(λ) luminance function for luminance measurement with a full-glass filter
Metrological specification
V(λ) [ f'1 < 3 % ]
X(λ) [ f'1,E < 4.5 % ]3, Y(λ) [ f'1 < 2.5 % ]3, Z(λ) [ f'1,E < 6 % ]3
Measuring quantity
Luminance: L (cd/m2)
Chromaticity coordinates for supported color spaces:
RGB, sRGB, EBU-RGB, User-RGB, XYZ, Lxy, Luv, Lu'v', L*u*v*, C*h*s*uv, L*a*b*, L*C*h*ab, HSV, HSI, WST4, LWS, Lrg
(further measuring quantities can optionally be defined via scaling factors)
Measuring range
Integration/exposure time from 100 μs to 15 s
1 ms max. 10,000 cd/m2
3 s max. 3.3 cd/m2
The detection limit (f3.0) for all integration/exposure times is about 0.04 % relative to the given maximum luminance value.
Higher luminance can be measured using optional neutral density filters.
Calibration uncertainty
fix focused lenses ΔL [ < 2 % ]
focusable lenses ΔL [ < 2.5 % ]
Repeatability
ΔL [ < 0.1 % ]
Δx,y [ < 0.0001 ]
Measuring accuracy
ΔL [ < 3 % ] for standard illuminant A
Δx,y [ < 0.0020 ] for CIE standard illuminanct A
Δx,y [ < 0.0030 ] for white phosphor-converted LED
Δx,y [ < 0.0001 ] set of test colors
Uniformity
f21 [ < 2 % ]
Relative spectral responsivity
curve of LMK 6 color model type
Typical average result for entocentric lenses, specific results available with calibration certification or on request
Spectral mismatch f‘1 according to ISO/CIE 19476:2014
The luminance value stands for the measuring range end value at the specified exposure/integration time
Definition and measurement according to CIE 244:2021
Measurements according to CIE 244:2021 using a luminance standard traceable to the PTB (Physikalisch-Technische-Bundesanstalt, the National Metrology Institute of Germany)
Measurement performed on a stabilized white LED light source L=100 cd/m² – mean value over 100 × 100 camera image pixel
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