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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
Comparison between
LMK models
- Sensor - imaging CMOS
matrix system -
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LMK 6-5 : 2464 × 2056 Pixel Pixel Sony-CMOS [IMX 250; 2/3" diagonal; 12 Bit digital]
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LMK 6-12 : 4112 × 3008 Pixel Sony-CMOS [IMX 253; 1.1" diagonal; 12 Bit digital]
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LMK 6-30 : 6480 × 4860 Pixel Sony-CMOS [IMX 342; APS-C; 12 Bit digital]
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- Housing dimensions
without lenses (H×W×D) -
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LMK 6-5 : stable black anodized aluminum housing: 80 mm × 80 mm × 47 mm
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LMK 6-12 : stable black anodized aluminum housing: 80 mm × 80 mm × 47 mm
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LMK 6-30 : stable black anodized aluminum housing: 90 mm × 90 mm × 70 mm
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- Weight
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LMK 6-5 : camera housing without lens: 600 g available lenses: 120 g – 800 g
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LMK 6-12 : camera housing without lens: 600 g available lenses: 120 g – 1100 g
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LMK 6-30 : camera housing without lens: 780 g available lenses: 120 g – 1100 g
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- Data interface
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Gigabit Ethernet Interface (GigE)
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- Dynamic range
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Single picrure measurement: 1:1100 (~ 61 dB)
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High-Dynamic measure (exposure bracketing series): 1:10 000 000 (~140 dB)
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- Spectral matching1
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Matched to the V(λ) luminance function for luminance measurement with a full-glass filter
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- Metrological specification
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V(λ) [ 𝑓1′< 3 % ]2
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- Measuring quantity
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Luminance: L (cd/m²)
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- Measuring range3
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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 limit4 (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.
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- Calibration uncertainty5
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fix focused lenses ΔL [ < 2% ]
focusable lenses ΔL [ < 2.5% ]
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- Repeatability6
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ΔL [ < 0.1% ]
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- Measuring accuracy
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ΔL [ < 3% ] for standard illuminant A
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- Uniformity4
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𝑓21 [ < 2% ]
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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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