LMK 6 Color 影像式輝度計：用於色彩和光線測量的高精度相機

LMK 6 Color 影像式輝度計是 TechnoTeam 的彩色測量相機，可作為獨立的測量設備應用於多種場合。它設計緊湊輕便，幾乎適用於所有彩色測量應用。作為 TechnoTeam 的核心產品之一，它也被應用於我們其他基於相機的測量系統中。目前有三種不同的基本型號(（500萬像素/1200萬像素/3000萬像素)，感測器尺寸各不相同。 LMK 6 Color 影像式輝度計版配備了彩色濾光輪，可根據人眼亮度感知（符合 CIE 1931 XYZ 2° 標準觀察者）評估色彩和亮度測量結果。

LMK 6 Color 影像式輝度計特點

每個LMK的單獨校準
高對比測量的額外校準
多種鏡頭，並可自訂設定
尺寸和重量
高透射率光譜匹配玻璃濾光片
更多特殊濾芯可供選擇

LMK 6 Color 影像式輝度計系列規格

型號	LMK 6-5 color	LMK 6-12 color	LMK 6-30 color
Sensor - imaging CMOS matrix system	2464 × 2056 Pixel Sony-CMOS [IMX 250; 2/3" diagonal); 12 Bit digital]	4112 × 3008 Pixel Sony-CMOS [IMX 253; 1.1" diagonal); 12 Bit digital]	6480 × 4860 Pixel Sony-CMOS [IMX 342; APS-C; 12 Bit digital]
Housing dimensions without lenses (H×W×D)	stable black anodized aluminum housing: 117 mm × 90 mm × 47 mm	stable black anodized aluminum housing: 140 mm × 110 mm × 47 mm	stable black anodized aluminum housing: 150 mm × 170 mm × 70 mm
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 – 1100 g
Data interface	Gigabit Ethernet Interface (GigE)
Dynamic range	Single picture measurement: 1:1100 (~ 61 dB) High-Dynamic measure (exposure bracketing series): 1:10 000 000 (~140 dB)
Spectral matching¹	Matched to the V(λ) luminance function for luminance measurement with a full-glass filter
Metrological specification
Measuring quantity	Luminance: L (cd/m²) Chromaticity coordinates for supported color spaces: RGB, sRGB, EBU-RGB, User-RGB, XYZ, Lxy, Luv, Lu‘v‘, Luv, Chsuv , Lab,LChab , HSV, HSI, WST4, LWS, Lrg (further measuring quantities can optionally be defined via scaling factors)
Measuring range⁴	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 limit5 (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 uncertainty⁶	fix focused lenses ∆L [ < 2% ] focusable lenses ∆L [ < 2.5% ]
Repeatability⁷
Measuring accuracy
Uniformity⁶

1 Typical average result for entocentric lenses, specific results available with calibration certification or on request
2 Spectral mismatch f‘1 according to ISO/CIE 19476:2014
3 Typical result for LMK color model type
4 The luminance value stands for the measuring range end value at the specified exposure/integration time
5 Definition and measurement according to CIE 244:2021
6 Measurements according to CIE 244:2021 using a luminance standard traceable to the PTB (Physikalisch-Technische-Bundesanstalt, the National Metrology Institute of Germany)
7 Measurement performed on a stabilized white LED light source L=100 cd/m²
– mean value over 100 × 100 camera image pixel
8 Maximum difference of the measured value to the reference measurement using 12 LED-based luminance/color standards