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Home Products LED Goniophotometer
LED Goniophotometer
LED Goniophotometer

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LED Goniophotometer

Product No: LSG-1100

  • Specifications
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  • The LSG-1100 LED goniophotometer is developed according to CIE 127, IEC 61341, and GD/T1 “Test Methods for Semiconductor Light Emitting Diodes,” and is specifically designed for testing the light distribution performance of small surface-mount LEDs, through-hole LEDs, and COB light sources. The software supports outputting test reports in both Chinese and English, and can export 3D light distribution curves and electrical performance test data for easy archiving and comparative analysis. It is widely used in quality inspection agencies, universities, and corporate R&D laboratories.

    The LSG-1100 LED goniophotometer can test the following parameters: spatial light intensity distribution; 10%, 25%, 50%, and 75% average light intensity diffusion angles; peak light intensity, total luminous flux, and luminous efficacy; forward voltage Vf, forward current If, reverse voltage Vr, reverse leakage current Ir, and electrical power P. Optional modules can also test chromaticity parameters such as wavelength, chromaticity coordinates, peak wavelength, dominant wavelength, full width at half maximum (FWHM), and spectral curves. With different radiation probes, it can also perform angular distribution testing of the radiation intensity of infrared and ultraviolet LEDs.

    Specifications:

    Items Technical Specifications
    Photometric Detector VIS (380~800nm) visible light V (λ) probe, Class A, conforming to CIE pub.No.127 standard.
    Photometric Measurement Range Luminous intensity measurement range: 10 mcd～200 cd; Luminous flux measurement range: 1 mlm～200 lm
    Angle Measurement Range C-axis rotation range: 0°～360°, γ-axis rotation range: -90°～90°, capable of automatic rotation to acquire three-dimensional light intensity distribution maps.
    Scan Interval 0.1°, 0.5°, 1°, 5°, 10°, 45°, 90°, 180° (selectable)
    Output Curve Format Three-dimensional light intensity, radiation intensity distribution curves (polar coordinates, rectangular coordinates) and export IES file for DiaLux. See the test report sample here.
    Test Distance Distance from detector to rotation center: 100mm and 316mm (adjustable); meets CIE pub.No.127 Condition A or Condition B test conditions.
    Mechanical positioning Precision LED mechanical positioning device and integrated center alignment system
    Current Test Forward current If: 0.1mA～2000mA; Reverse current Ir: 0.01μA～200.0μA; Measurement accuracy: ±0.5% F.S.
    Voltage Test Forward voltage Vf: 0.01V～20.0V; Reverse voltage Vr: 0.01V～20.00V; Measurement accuracy: ±0.5% F.S.
    Overall Dimensions 638*442*340mm, desktop integrated structure with built-in darkroom
    Optional Configuration 1 Optional built-in color measurement module for colorimetric testing: LISUN model LSG-1100CCD
    Optional Configuration 2 The photometric detector can be equipped with LISUN Model PHOTO-NIR-1100 (800-1050nm), PHOTO-UVA-1100 (320~400nm), PHOTO-UVB-1100 (275~320nm) and PHOTO-UVC-1100 (200~275nm).

    Matching Clamps (the system includes the following clamps):

    Fixture Type Specifications
    CLAMP-33 LED Clamp 7.5mm pin pitch, compatible with through-hole LEDs
    CLAMP-36 LED Clamp Minimum pin pitch 2mm×5mm, maximum pin pitch 6mm×5mm, compatible with small-size SMD LEDs and COB light sources.
    CLAMP-25 LED Clamp Maximum pin pitch of 24mm, suitable for large-size SMD LEDs and COB light sources

    Note: Different clamps are compatible with plug-in LEDs, various SMD surface mount devices, and COB devices. Customization is available based on the LED sample being tested.

    LED Clamps

    LED Clamps

    Test interface and test parameters

    Test interface and test parameters

    Tags：
  • LSG-1100 VIS LED Goniophotometer LSG-1100 NIR LED Goniophotometer