The rapid advancement of lighting technology has underscored the critical role of efficient and reliable lighting test equipment in the illumination industry. The LPCE-2 (LMS-9000) High-Precision Spectroradiometer and Integrating Sphere Testing System, developed by LISUN, Ltd., stands out as an advanced lighting test equipment solution. This system is widely utilized for testing a variety of light sources, including LEDs, fluorescent lamps, energy-saving lamps, high-intensity discharge (HID) lamps such as high-pressure sodium and mercury lamps, and cold cathode fluorescent lamps. Its high precision, rapid testing capabilities, and multifunctionality have not only driven progress in lighting product research, development, and quality control but also exerted a profound influence on industry standards, testing efficiency, and market competitiveness. This article examines the technical characteristics, industry applications, standard compliance, market impact, and future development prospects of the LPCE-2 (LMS-9000) lighting test equipment, providing a comprehensive analysis of its transformative role in the lighting industry.
LPCE-2(LMS-9000)High Precision Spectroradiometer Integrated Sphere System
The LPCE-2 (LMS-9000) is a comprehensive lighting test equipment system that integrates a high-precision CCD spectroradiometer with an integrating sphere, designed to measure photometric, colorimetric, and electrical parameters with exceptional accuracy. Its core components include the LMS-9000C high-precision CCD spectroradiometer (or the LMS-9500C scientific-grade spectroradiometer), a seamless integrating sphere, optical fiber, a digital electrical parameter meter, AC/DC power supplies, and standard light sources. Below are the key technical features that distinguish the LPCE-2 (LMS-9000) as a leading lighting test equipment solution:
• High-Precision Spectral Analysis
The LMS-9000C spectroradiometer employs bandpass filter wheel calibration technology and holographic gratings, offering a wavelength testing range of 350 nm to 800 nm with a wavelength accuracy of ±0.3 nm and repeatability of ±0.1 nm. The chromaticity coordinate accuracy is ±0.002, and the correlated color temperature (CCT) testing range spans 1500 K to 100,000 K with an accuracy of ±0.3%. These specifications ensure the precision and reliability of spectral data, making the LPCE-2 (LMS-9000) lighting test equipment ideal for high-precision laboratory testing applications.
• Rapid Testing Capability
The LPCE-2 system incorporates electronic shutter technology, enabling integration times as low as 0 μs to 10 s, with testing speeds reaching the millisecond level. This rapid testing capability significantly enhances efficiency, a critical advantage for production lines requiring quick validation of lighting product performance. The speed of the LPCE-2 (LMS-9000) lighting test equipment ensures minimal downtime in high-throughput manufacturing environments.
• Seamless Integrating Sphere
Unlike traditional spliced integrating spheres, the LPCE-2 (LMS-9000) lighting test equipment features a seamless, one-piece integrating sphere design that minimizes optical errors caused by seams. Available in various sizes (e.g., IS-1.5MA and IS-0.3M), the integrating sphere can be selected based on the type of luminaire being tested, accommodating both 2π and 4π geometric testing requirements. This design enhances the accuracy of photometric measurements, a cornerstone of lighting test equipment performance.
• Multi-Parameter Comprehensive Testing
The LPCE-2 (LMS-9000) lighting test equipment supports simultaneous measurement of multiple parameters, including:
• Photometric Parameters: Luminous flux, luminous efficacy, radiant power, pupil flux, and photosynthetic photon flux (PPF) and photosynthetically active radiation (PAR) for horticultural lighting.
• Colorimetric Parameters: Chromaticity coordinates, correlated color temperature (CCT), color rendering index (CRI), color quality scale (CQS), TM-30 (Rf, Rg), and spectral power distribution (SPD).
• Electrical Parameters: Voltage, current, power, power factor, and harmonics.
• Aging Testing: Supports IES LM-80 lumen maintenance testing, recording changes in luminous flux, color temperature, and CRI over time.
This comprehensive testing capability makes the LPCE-2 (LMS-9000) a versatile lighting test equipment solution for evaluating the full spectrum of lighting product performance.
• Intelligent Software Support
The system is equipped with English-language software compatible with Windows 7, 8, and 10, enabling seamless data transfer via USB. The software supports the generation of IES LM-79 photometric, colorimetric, and electrical parameter reports in PDF format, as well as IES LM-80 optical maintenance reports in Excel or PDF formats. This functionality streamlines data analysis and archiving, enhancing the usability of the LPCE-2 (LMS-9000) lighting test equipment for both manufacturers and testing laboratories.
These technical characteristics position the LPCE-2 (LMS-9000) as a highly accurate, efficient, and multifunctional lighting test equipment system, providing robust technical support for the lighting industry’s research and production needs.
The LPCE-2 (LMS-9000) lighting test equipment is widely applied in lighting product research, quality control, third-party testing, and certification. Its key application scenarios include:
• LED Luminaire Performance Testing
As LEDs dominate modern lighting, precise measurement of their photometric, colorimetric, and electrical parameters is essential. The LPCE-2 (LMS-9000) lighting test equipment excels in rapidly measuring luminous flux, luminous efficacy, color temperature, and CRI for LED luminaires such as bulbs, PAR lamps, streetlights, and tubes. For example, a study conducted by LISUN demonstrated that the LPCE-2 system provided accurate data on LED lamps’ luminous efficacy and low power consumption, offering valuable insights for manufacturers and consumers.
• Aging and Lifespan Testing
The LPCE-2 (LMS-9000) lighting test equipment supports IES LM-80 lumen maintenance testing by tracking changes in luminous flux, color temperature, and other parameters over time. Using the Arrhenius model, the system predicts the lifespan of LED luminaires under specific temperature conditions. This capability is critical for evaluating long-term performance and reliability, particularly for outdoor lighting and horticultural lighting applications.
• Automotive Lighting Testing
The LPCE-2 system meets the requirements of CIE A-α standards for automotive lighting, enabling precise measurement of light intensity distribution and colorimetric parameters for vehicle signal lights and headlights. The high-precision integrating sphere and spectroradiometer ensure accurate results, making the LPCE-2 (LMS-9000) lighting test equipment a trusted tool for automotive lighting manufacturers.
• Third-Party Certification Testing
Third-party testing agencies utilize the LPCE-2 (LMS-9500C scientific-grade configuration) lighting test equipment to conduct IES LM-79-19 and LM-80 certification tests. The system generates comprehensive reports that meet international standards, supporting market entry for LED products. Companies such as Sharp Electronics in the United States and CS Tech in Mexico have adopted the LPCE-2 for high-precision testing, highlighting its global applicability.
The LPCE-2 (LMS-9000) lighting test equipment adheres to a wide range of international and domestic standards, ensuring the authority and comparability of test results. Key standards include:
• International Standards: CIE-13.3, CIE-84, CIE-177, IESNA-LM-79-19, IESNA-LM-63-2, LM-80, LM-82, ANSI-C78.377, Optical-Engineering-49-3-033602.
• Domestic Standards: GB/T-5702, GB/T-7922, GB/T-20145, GB/T-24824.
• EU Regulations: (EU) 2019/2015, (EU) 2019/2020.
This compliance makes the LPCE-2 (LMS-9000) an ideal lighting test equipment solution for manufacturers targeting markets in the EU, United States, and beyond. For instance, the EU’s ErP Regulation (EU) 2019/2020 and Energy Labeling Regulation (EU) 2019/2015, effective from December 2019, impose stringent requirements on luminous efficacy, flicker, and energy efficiency. The LPCE-2, when paired with the LSRF-3 light source start-up/rise-time/flicker test system, measures flicker parameters such as SVM and Pst LM, ensuring compliance with these regulations. Additionally, the system’s precision and report generation capabilities make it a valuable tool for Energy Star certification. LISUN engineers have published detailed analyses comparing LM-79-19 and LM-79-08, demonstrating the system’s adaptability to evolving standards.
The introduction of the LPCE-2 (LMS-9000) lighting test equipment has significantly impacted the lighting testing market, offering several competitive advantages:
• Enhanced Testing Efficiency
Traditional lighting test equipment often requires lengthy testing cycles, but the LPCE-2’s millisecond-level testing speed dramatically reduces testing time, lowering production costs. This efficiency is particularly beneficial for small and medium-sized enterprises and research institutions requiring rapid product iteration.
• Promotion of Industry Standardization
By supporting multiple international standards, the LPCE-2 (LMS-9000) lighting test equipment enables manufacturers to produce products that meet global market requirements. Its support for IES files and light distribution curve outputs facilitates integration with lighting design software like DiaLux, streamlining the optimization of lighting solutions.
• Reduction of Technical Barriers
The high precision and user-friendly design of the LPCE-2 lower technical barriers for small and medium-sized enterprises entering high-end lighting markets. Comprehensive after-sales support, including detailed FAQs and long-term technical assistance, further enhances user experience.
• Advancement of Green Lighting
The LPCE-2’s ability to measure PAR and PPF parameters for horticultural lighting supports the development of efficient agricultural lighting solutions, contributing to the advancement of green lighting technologies.
Market feedback indicates widespread adoption of the LPCE-2 (LMS-9000) lighting test equipment across North America, Europe, and Asia, particularly among lighting manufacturers and testing laboratories. LISUN’s commitment to continuous equipment and software updates ensures its leadership in the global market.
As the lighting industry moves toward intelligent, sustainable, and high-efficiency solutions, the LPCE-2 (LMS-9000) lighting test equipment has significant potential for further optimization:
• Intelligent Upgrades
Future iterations of the LPCE-2 could integrate artificial intelligence (AI) algorithms to enhance data analysis and predictive capabilities, such as automatically identifying anomalous data or providing more accurate lifespan predictions.
• Expanded Testing Capabilities
With the rise of emerging light sources like laser lighting and OLEDs, the LPCE-2 could expand its wavelength testing range and parameter types to accommodate new technologies, ensuring its relevance in the evolving lighting landscape.
• Support for Green Manufacturing
Aligning with carbon neutrality goals, the LPCE-2 could enhance its testing capabilities for low-energy light sources, helping manufacturers develop environmentally friendly products.
• Global Service Network Expansion
LISUN could further expand its after-sales service and technical support network to meet the needs of customers in emerging markets, ensuring seamless global adoption of the LPCE-2 (LMS-9000) lighting test equipment.
The LISUN LPCE-2 (LMS-9000) lighting test equipment, with its high precision, rapid testing capabilities, multifunctionality, and compliance with international standards, has profoundly impacted the lighting industry. It has enhanced testing efficiency, improved product quality, and driven the standardization and advancement of green lighting technologies. Through continuous innovation and adaptability to market needs, the LPCE-2 remains a cornerstone of lighting testing, providing reliable technical support to manufacturers, testing laboratories, and consumers worldwide. As the lighting industry continues to evolve, the LPCE-2 (LMS-9000) lighting test equipment is poised to maintain its leadership, shaping the future of lighting testing and contributing to the global adoption of high-quality, sustainable lighting solutions.
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