BEX-8202B comprehensive LED characteristics measurement apparatus (comprehensive version)

BEX-8202B comprehensive LED characteristics measurement apparatus (comprehensive version)

Supplier
Brolight
Part Number
BEX-8202B
Category
Light-Emitting Diodes (LEDs)
Origin
China

Components including the regulated-voltage supply, constant-current source, illuminance meter, integrating sphere, spectrometer, and temperature-controlled chamber were jointly developed with specialist LED-measurement companies. They maintain functional, accuracy, and reliability standards while serving teaching needs. The system covers optical, electrical, color, and thermal LED properties. Clearly defined modular functions, teaching-compliant design, comprehensive software, and measurement principles strictly following international professional standards make operation clear and help deepen theoretical learning.

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Overview

Components including the regulated-voltage supply, constant-current source, illuminance meter, integrating sphere, spectrometer, and temperature-controlled chamber were jointly developed with specialist LED-measurement companies. They maintain functional, accuracy, and reliability standards while serving teaching needs. The system covers optical, electrical, color, and thermal LED properties. Clearly defined modular functions, teaching-compliant design, comprehensive software, and measurement principles strictly following international professional standards make operation clear and help deepen theoretical learning.

Specifications

ParameterValue
LED power supply I (constant-current source)110V/220V input, 0~50/500mA output
LED power supply I (constant-current source) - Voltage range0-10V
LED power supply II (constant-voltage source)110V/220V input, 0~10V output
LED power supply II (constant-voltage source) - Current range0-0.1A
(Programmable) pulse power supply - Low-current output0-50mA
(Programmable) pulse power supply - High-current output50-500mA
Temperature-control power supply - Heating range0~100℃
Illuminance meter and probe - Illuminance-mode range0.001LX~2000LX
Illuminance meter and probe - Luminous-flux-mode range0.001LM~999LM
Fiber-optic spectrometer - Measurement range350~1050nm
Fiber-optic spectrometer - Resolution2nm
Air-cooled tungsten-lamp light source - Wavelength range400 nm-2000 nm
Air-cooled tungsten-lamp light source - Cooling methodFan
Temperature-control system - Heating range0~100℃
LED fixture and fixture holder - Diameter50mm

Applications

Current-voltage characteristics; light intensity versus current; luminous flux versus current; spatial distribution of LED output; colorimetric parameters of different LEDs; pulse-supply VT coefficient (ripple); K coefficient; junction temperature and thermal resistance. 1. Electrical and electro-optical conversion: Measure forward and reverse LED current-voltage characteristics. 2. Spatial light distribution: One-dimensional average intensity versus current and two-dimensional distribution curves. 3. Current versus luminous flux and luminous efficacy: Plot both relationships. 4. Colorimetric parameters: Measure parameters of different LEDs. 5. Thermal characterization: Measure and calculate LED K coefficient, thermal resistance, and junction temperature. The apparatus includes a temperature-control system, temperature-control power supply, and pulse supply. Software displays live voltage-time curves to analyze steady-state junction temperature and thermal resistance. Low-current K-coefficient testing.

Key Features

Rich content covers the four main LED characteristics—optical, electrical, color, and thermal—required as fundamental theory in university optoelectronics courses. Modules work independently and complement one another, with clearly defined component functions for easy understanding. Hardware and software follow educational-product standards, with teaching-appropriate settings, knowledge navigation, and separate testing modules for logical, clear operation and deeper theoretical understanding. Measurement principles strictly follow current domestic and international professional standards. For example, average intensity uses CIE standard conditions, luminous flux uses an integrating sphere, and junction temperature uses pulsed current, a simple, nondestructive, accurate method with good transient response.

Datasheet

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Supplier Information

Br
Brolight
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Brolight, as an independent brand under A&P Instrument, focuses on the R&D, manufacturing, and integrated solution delivery of photoelectric detection equipment and educational instruments. Leveraging A&P Instrument's over 40 years of technical accumulation and market experience in the optoelectronics and science education industry, Brolight precisely meets the multiple needs of scientific research, industrial inspection, and experimental teaching, building a reliable and efficient application foundation for global research institutions, industrial enterprises, and educational users with excellent optoelectronic products and teaching instruments. Founded in 2012, the company is a national high-tech enterprise and has passed ISO9001:2015 quality management system certification, ensuring continuous and stable product quality with a standardized management system.

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BEX-8202B comprehensive LED characteristics measurement apparatus (comprehensive version)
Brolight · Light-Emitting Diodes (LEDs)
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