LE7-6x data sheet Image Engineering GmbH & Co. KG www.image-engineering.com 1 LE76X170725 Overview Product name LE7-6x Principle Integrating sphere to illuminate transparent test charts based on iQ-LED technology (includes micro spectrometer), software controlled. Software controlled device with internal micro spectrometer for spectral control. The iQ-LED technology is optimized for best spectral match and allows CRI values up to 99, depending on illuminant and intensity. Features Integrating sphere Diameter integrating sphere 500 mm Output window Rectangular output window, 290 x 220 mm Dual slot for D280 sized test charts Illumination Light source 6 x iQ-LED Image Engineering iQ-LED technology: 80 LEDs per iQ-LED element, 2 white channels and 20 color channels controlled via 1000 steps per channel and 32 kHz PWM, spectral range 400 – 820 nm Uniformity > 97 % for active chart area*, 280 x 157.5 mm > 96 % for full output window*, 290 x 220 mm Illumination stability +/- 2 %** Response time (switch illuminant) < 50 ms Maximum / Minimum illumination level Max. up to 6000 lx (depending on illuminant and required curve fit / CRI) Max. standard D illuminants: 4200 lx Min. down to 25 lx (depending on illuminant and required curve fit / CRI), with ND filters for low intensity use down to 1,5 lx Dim function Software based by presetting of intensity (lux / watt), further dimming via ND filters
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LE7-6x data sheet AV - Image Engineering - Solutions to … data sheet Image Engineering GmbH & Co. KG 2 LE76 X 170725 Predefined standard illuminants D50, D55, D65, D75, A, B, C Planckian
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LE7-6x data sheet
Image Engineering GmbH & Co. KG www.image-engineering.com 1 LE
76X
1707
25
Overview
Product name LE7-6x
Principle
Integrating sphere to illuminate transparent test charts based on iQ-LED technology (includes micro spectrometer), software controlled. Software controlled device with internal micro spectrometer for spectral control. The iQ-LED technology is optimized for best spectral match and allows CRI values up to 99, depending on illuminant and intensity.
Features
Integrating sphere
Diameter integrating sphere 500 mm
Output window Rectangular output window, 290 x 220 mm Dual slot for D280 sized test charts
Illumination
Light source
6 x iQ-LED Image Engineering iQ-LED technology: 80 LEDs per iQ-LED element, 2 white channels and 20 color channels controlled via 1000 steps per channel and 32 kHz PWM, spectral range 400 – 820 nm
Uniformity > 97 % for active chart area*, 280 x 157.5 mm > 96 % for full output window*, 290 x 220 mm
Illumination stability +/- 2 %**
Response time (switch illuminant) < 50 ms
Maximum / Minimum illumination level
Max. up to 6000 lx (depending on illuminant and required curve fit / CRI) Max. standard D illuminants: 4200 lx
Min. down to 25 lx (depending on illuminant and required curve fit / CRI), with ND filters for low intensity use down to 1,5 lx
Dim function Software based by presetting of intensity (lux / watt), further dimming via ND filters
LE7-6x data sheet
Image Engineering GmbH & Co. KG www.image-engineering.com 2 LE
76X
1707
25
Predefined standard illuminants
D50, D55, D65, D75, A, B, C Planckian spectral curve by selected temperature (1900 - 18,000 K)
Service life 10,000 h
Spectrometer
Construction Built-in mini spectrometer
Spectral range 350 – 870 nm
Pixel resolution 2048 pixel
FWHM 2.4 nm
Output data Real time measurement of spectral trend and radiant power via control software
Calibration Yearly calibration required independent of working hours (contact Image Engineering), NIST traceable
Software
System requirements PC with Windows 7 operating system (or higher) USB port
Functions
• Auto generation of external measured spectra • Creation or adaptation of spectral trends via 22 LED channels • Save and load function of self-defined spectral arrangements or intensities • Creation of test sequences • Real time display of spectral measurement • Real time calculation of CCT, CRI, illumination level (lux / watt)
API (C++) Optional available (iQ-LED API)
General description hardware
Power supply / consumption 110 V / 230 V, 100 W
Ports 1 x USB for software control 1 x port for power adaptor
Warm up time < 2 min. at optimal ambient temperature
Scope of delivery Integrating sphere (with dual slot for D280 sized charts), spectrometer (built-in), power cord, USB cable, control software, tripod
Miscellaneous
Accessories Rolling Cart
* measured on uniformity chart for selected standard illuminant D65 ** measured for selected standard illuminants after changing an illuminant at optimal temperature