{"id":5954,"date":"2025-07-30T16:04:42","date_gmt":"2025-07-30T08:04:42","guid":{"rendered":"https:\/\/www.ledtestsystem.com\/?p=5954"},"modified":"2025-07-30T16:04:42","modified_gmt":"2025-07-30T08:04:42","slug":"%e3%82%b4%e3%83%8b%e3%83%95%e3%82%a9%e3%83%88%e3%83%a1%e3%83%bc%e3%82%bf%e3%83%bc%e6%a4%9c%e6%9f%bb","status":"publish","type":"post","link":"https:\/\/ledtestsystem.com\/ja\/%e3%83%96%e3%83%ad%e3%82%b0\/%e3%82%b4%e3%83%8b%e3%83%95%e3%82%a9%e3%83%88%e3%83%a1%e3%83%bc%e3%82%bf%e3%83%bc%e6%a4%9c%e6%9f%bb\/","title":{"rendered":"\u30b4\u30cb\u30aa\u30d5\u30a9\u30c8\u30e1\u30fc\u30bf\u30fc\u8a66\u9a13"},"content":{"rendered":"

Introduction to Goniophotometer Testing<\/strong><\/h2>\n

Goniophotometers are precision optical instruments designed to measure the spatial distribution of light emitted from luminaires, LEDs, and other light sources. These devices play a critical role in industries requiring accurate photometric characterization, including lighting design, display manufacturing, and optical component production. By capturing luminous intensity distribution curves (LIDCs), color uniformity, and total flux, \u30b4\u30cb\u30d5\u30a9\u30c8\u30e1\u30fc\u30bf\u30fc<\/a> enable compliance with international standards such as IEC, CIE, and ANSI. <\/p>\n

This article examines the technical principles of \u30b4\u30cb\u30aa\u30d5\u30a9\u30c8\u30e1\u30fc\u30bf\u30fc<\/a><\/a> testing, with a focus on the \u30ea\u30b9\u30f3<\/a> LSG-6000<\/strong>\u2014a high-precision instrument engineered for advanced photometric analysis. The discussion includes its specifications, testing methodologies, and applications across diverse industries. <\/p>\n

Fundamental Principles of Goniophotometric Measurement<\/strong><\/h2>\n

Goniophotometers operate by rotating a light source or detector along one or more axes to capture luminous intensity at varying angular positions. The two primary measurement configurations are: <\/p>\n

    \n
  1. Type C (Moving Detector, Fixed Light Source):<\/strong> The detector moves around a stationary luminaire, measuring light intensity at defined angular increments. <\/li>\n
  2. Type A (Moving Light Source, Fixed Detector):<\/strong> The light source rotates while the detector remains fixed, ideal for directional lighting analysis. <\/li>\n<\/ol>\n

    \u305d\u306e LSG-6000<\/strong> employs a Type C<\/strong> configuration with a high-accuracy spectroradiometer for spectral and photometric measurements. Its dual-axis rotation system (\u00b1180\u00b0 vertical, 0\u2013360\u00b0 horizontal) ensures comprehensive spatial light distribution analysis. <\/p>\n

    Key Specifications of the LISUN LSG-6000 Goniophotometer<\/strong><\/h2>\n

    \u305d\u306e LSG-6000<\/strong> is engineered for high-precision testing with the following specifications: <\/p>\n\n\n\n\n\n\n\n\n\n\n
    \u30d1\u30e9\u30e1\u30fc\u30bf<\/strong><\/th>\n\u4ed5\u69d8<\/strong><\/th>\n<\/tr>\n<\/thead>\n
    Measurement Geometry<\/td>\nType C (Moving Detector)<\/td>\n<\/tr>\n
    \u89d2\u5ea6\u5206\u89e3\u80fd<\/td>\n\u22640.1\u00b0 (adjustable)<\/td>\n<\/tr>\n
    Luminous Flux Range<\/td>\n0.1 lm \u2013 200,000 lm<\/td>\n<\/tr>\n
    Spectral Range<\/td>\n380 nm \u2013 780 nm (extendable to 1700 nm)<\/td>\n<\/tr>\n
    Compliance Standards<\/td>\nIEC 60598-1, LM-79, CIE 70, EN 13032-1<\/td>\n<\/tr>\n
    Detector Accuracy<\/td>\nClass L (\u22641.5% deviation) per CIE 198<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    These specifications make the LSG-6000<\/strong> suitable for high-stakes applications in LED manufacturing, medical lighting validation, and automotive lighting compliance<\/strong>. <\/p>\n

    Industry Applications and Compliance with International Standards<\/strong><\/h2>\n

    1. LED and OLED Manufacturing<\/strong><\/h3>\n

    \u305d\u306e LSG-6000<\/strong> ensures compliance with ANSI\/IES LM-79<\/strong> \u305d\u3057\u3066 IEC 62612<\/strong> for LED performance testing. Manufacturers rely on its spectral analysis to verify color consistency and angular uniformity in OLED displays. <\/p>\n

    2. Display Equipment Testing<\/strong><\/h3>\n

    For LCD and micro-LED displays, the goniophotometer measures viewing angle performance, ensuring adherence to IEC 62341-6<\/strong> for optical characteristics. <\/p>\n

    3. Photovoltaic Industry<\/strong><\/h3>\n

    Solar simulators and concentrator photovoltaics (CPV) require precise angular light distribution data. The LSG-6000<\/strong> aligns with IEC 60904-9<\/strong> for photovoltaic module testing. <\/p>\n

    4. Urban Lighting Design<\/strong><\/h3>\n

    Municipal lighting projects use goniophotometric data to optimize streetlight placement, complying with EN 13201<\/strong> for road illumination standards. <\/p>\n

    5. Medical Lighting Equipment<\/strong><\/h3>\n

    Surgical and diagnostic lighting must meet ISO 15004-2<\/strong> for photobiological safety. The LSG-6000<\/strong> verifies glare control and spectral output. <\/p>\n

    Competitive Advantages of the LSG-6000 in High-Precision Testing<\/strong><\/h2>\n
      \n
    1. Automated Multi-Axis Control:<\/strong> Reduces human error in angular positioning. <\/li>\n
    2. Integrated Spectroradiometry:<\/strong> Simultaneously measures photometric and colorimetric properties. <\/li>\n
    3. High Dynamic Range (HDR) Detection:<\/strong> Capable of testing ultra-bright sources (e.g., stadium lighting). <\/li>\n
    4. Modular Software Suite:<\/strong> \u30b5\u30dd\u30fc\u30c8 IES, EULUMDAT, and DIALux<\/strong> file exports for lighting simulation. <\/li>\n<\/ol>\n

      Case Study: Validating Automotive Headlamp Compliance<\/strong><\/h2>\n

      A leading automotive supplier used the LSG-6000<\/strong> to test LED headlamps per ECE R112<\/strong> \u305d\u3057\u3066 SAE J1383<\/strong>. The system\u2019s high angular resolution detected minor deviations in beam patterns, ensuring regulatory approval. <\/p>\n

      FAQ: Goniophotometer Testing with the LSG-6000<\/strong><\/h2>\n

      Q1: What is the minimum luminous flux the LSG-6000 can measure?<\/strong>
      \nThe instrument detects fluxes as low as 0.1 lm<\/strong>, suitable for low-power LEDs and sensor calibration. <\/p>\n

      Q2: Does the LSG-6000 support near-infrared (NIR) measurements?<\/strong>
      \nYes, with an optional extended-range detector (up to 1700 nm<\/strong>), it is applicable to IR-sensitive applications. <\/p>\n

      Q3: Which file formats are supported for photometric data export?<\/strong>
      \nThe system generates IES, LDT, and XML<\/strong> files compatible with major lighting design software. <\/p>\n

      Q4: How does the LSG-6000 ensure compliance with IEC 60598-1?<\/strong>
      \nIt performs full spatial luminous intensity testing, including glare evaluation and zonal lumen calculations. <\/p>\n

      Q5: Can the system test large-area luminaires (e.g., industrial high bays)?<\/strong>
      \nYes, the LSG-6000<\/strong> accommodates luminaires up to 2 meters in diameter<\/strong> with adjustable mounting fixtures. <\/p>\n

      This technical exploration underscores the LSG-6000<\/strong>\u2019s role in advancing precision photometry across multiple industries, supported by rigorous international standards and cutting-edge engineering.<\/p>","protected":false},"excerpt":{"rendered":"

      Introduction to Goniophotometer Testing Goniophotometers are precision optical instruments designed to measure the spatial distribution of light emitted from luminaires, LEDs, and other light sources. These devices play a critical role in industries requiring accurate photometric characterization, including lighting design, display manufacturing, and optical component production. By capturing luminous intensity distribution curves (LIDCs), color uniformity, and total flux, goniophotometers enable compliance with international standards such as IEC, CIE, and ANSI. This article examines the technical principles of goniophotometer testing, with a focus on the LISUN LSG-6000\u2014a high-precision instrument engineered for advanced photometric analysis. The discussion includes its specifications, testing methodologies, and applications across diverse industries. Fundamental Principles of Goniophotometric Measurement […]<\/p>\n","protected":false},"author":1,"featured_media":3510,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[686],"class_list":["post-5954","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blogs","tag-goniophotometer-testing"],"_links":{"self":[{"href":"https:\/\/ledtestsystem.com\/ja\/wp-json\/wp\/v2\/posts\/5954","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ledtestsystem.com\/ja\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ledtestsystem.com\/ja\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ledtestsystem.com\/ja\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ledtestsystem.com\/ja\/wp-json\/wp\/v2\/comments?post=5954"}],"version-history":[{"count":0,"href":"https:\/\/ledtestsystem.com\/ja\/wp-json\/wp\/v2\/posts\/5954\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ledtestsystem.com\/ja\/wp-json\/wp\/v2\/media\/3510"}],"wp:attachment":[{"href":"https:\/\/ledtestsystem.com\/ja\/wp-json\/wp\/v2\/media?parent=5954"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ledtestsystem.com\/ja\/wp-json\/wp\/v2\/categories?post=5954"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ledtestsystem.com\/ja\/wp-json\/wp\/v2\/tags?post=5954"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}