Lighting Cabinet, Multi-channel LED, Daylight & Blackbody Simulator, Image Evaluation, Camera Calibration, Visual Assessment


The product materials may be updated or iterated. Please refer to the official website for the latest product specifications.

LEDTrans Transparent Uniform Lighting Box

THOUSLITE LEDTrans is innovative transparent uniform lighting box based on the multi-channel LED technology, and it is a specially developed for test chart illumination and camera calibration. By using a set of carefully selected high power LED and our proprietary LEDNavigator-LT software, it can achieves the match to any desired SPD (Spectral Power Distribution) of light source just in one device, especially for standard daylight illuminant with highest light quality on the market. High power LEDs can easily achieve up to 18000lux of simulated source on the illumination surface. Excellent optical design guarantees >96% high uniform of illumination surface (280x210mm) Optimized heat management and feedback function ensure high stable light output, compensating light quality fluctuation for LED ages and variable environment. SDKs in different language are also available for customer to integrate to its own operating software

  • Features
  • Specifications
  • Video
  • Applications
  • Downloads
  • 2022052306365220
    Reproducing high quality daylight illuminant

    To reproduce any phase of daylight with highest quality on the market in terms of Color Rendering Index (CIE Ra) 99 and Metamerism Index (MI) Grade A

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    Blackbody locus simulator

    To accurately produce a range of sources from tungsten to daylight varying Correlated Color Temperature (CCT) from 2000K to 20000K with tunable CIE Ra 0~100 and tunable Duv -0.02~+0.02. One device reproduces all light sources, resulting in high flexibility and less maintenance cost

  • 2022052306403396
    SPD match

    To accurately reproduce any measured or imported SPD to record any light you want. It is easy to spread SPD files between different locations for light communication

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    High light intensity output and luminance adjustable

    High power SMD LEDs, together with the software, guarantees high light intensity output (max up to 18000lux), and the light intensity is dimmable while keeping the same light quality

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    Fast change between illuminants and no warm up time

    Same illuminant properties during illuminant switch, and no warm up time & instantly stable

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    Single-channel control

    Arbitrarily control the intensity of each channel in LEDTrans to design any light wanted

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    Dynamic lighting

    Programmable light sequence and interval

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    Fast & accurate feedback

    Maintain the same light quality, compensating for age and variable environments with external micro-spectrometer. It is much more consistent over conventional lighting

  • 2022052506154763
    User-friendly software, SDK available

    User-friendly software LEDNavigator allow users to design light according to different optimization purposes, and it can be further customized, SDK available on request

  • 2022052508191667
    Flicker free & high uniform

    Based on AM driven method, it provides an absolutely flicker free light output. Excellent optical design guarantees >96% high uniform on 280×210mm emitting surface

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    Longer life time and excellent long term stability

    Much longer lifetime compared to fluorescent technology, and optimized heat management resulting in excellent long term stability

  • 2022052306420945
    LED channel wavelength selection service

    Provide LED channel wavelength selection service from UV, VIS to NIR

1.CIE 13.3-1995, Method of Measuring and Specifying Colour Rendering Propertes of Light Source
2.ISO 23603-2005 / CIE S 012/E, Staoda「d method of assessing the spectral quality of ,daylight simulators for visual appraisal and measurement of colour.

LED channels*114 channels
LED channel drive methodAmplitude Modulation
Spectral range380-730 nm
Resolution*210 bit (1024 steps dimmable for each channel)
Warm up timeNo
Lifetime>10,000 hours
Predefined illuminants*3D75, D65, D50, A
CIE Ra 99, MIvis: Grade A (<0.25)
Tunable rangeCCT: 2000~20000K
CIE Ra:80~100
Luminous emittanceMax. up to 18000lux, min down to 180lux, depending on illuminant, can be combined with a neutral density filter
UniformityIllumination surface (D280, 280×210mm), >96%
Short-term stability*4D65 <±10K, D50<±5K; illuminance <±0.5%
Long-term stability*5D65 <±25K, D50<±15K; illuminance <±1.5%
Software instrument compatibilityX-Rite i1 Pro 2, Konica Minolta CL500A, THOUSLITE FS spectrometer
Electrical100-240V 50/60Hz,  150W Maximum
Operating ambient temperature0-30 °C
ConnectionUSB cable
External dimensions(W/D/H)682×343×440 mm
Weight24 kg
Scope of deliveryLEDTrans lighting box, diffuser, power cord, USB cable, software LEDNavigator-LT with dongle, THOUSLITE FS spectrometer, Neutral density filter (optional), remote controller(optional), SDK*6 available on request
SoftwareModules in software LEDNavigator-LT:
1. Blackbody locus simulator
2. SPD Match
3. Single channel control
4. Dynamic lighting
5. Fast & accurate feedback*7

*1:The number of LED kinds
*2:Actually 1000 steps can be used because some steps for low luminance calibration.
*3:Light quality is measured with 80% power
*4:When set light source as D50 without warm up time under enviroment temperature 25°, short-term stability is measured during 24 hours and compared to average value.
*5:When set light source as D50 after 30 minutes warm up time under enviroment temperature 25°, long-term stability is measured during 90 days and compared to average value.
*6:Users can utilize the SDK to realized the functions of Dynamic lighting, Single channel control.
*7:Users need to have the compatible instrument for measurements

Online Video