{"id":6051,"date":"2025-08-18T16:27:23","date_gmt":"2025-08-18T08:27:23","guid":{"rendered":"https:\/\/www.ledtestsystem.com\/?p=6051"},"modified":"2025-08-18T16:27:23","modified_gmt":"2025-08-18T08:27:23","slug":"goniophotometer-for-sale","status":"publish","type":"post","link":"https:\/\/ledtestsystem.com\/pt\/blogs\/goniophotometer-for-sale\/","title":{"rendered":"Goniofot\u00f4metro \u00e0 venda"},"content":{"rendered":"<h2><strong>Introduction to Goniophotometry and Its Industrial Significance<\/strong><\/h2>\n<p>Goniophotometers are specialized instruments designed to measure the spatial distribution of light emitted from luminaires, LEDs, displays, and other optical sources. These systems play a critical role in ensuring compliance with international photometric standards, optimizing lighting design, and validating product performance across industries such as LED manufacturing, urban lighting, medical equipment, and scientific research.  <\/p>\n<p>Among the leading solutions in this field, the <strong><a href=\"https:\/\/www.lisungroup.com\/products\/goniophotometer\/\" target=\"_blank\" rel=\"noopener\">LISUN<\/a> LSG-6000<\/strong> e <strong>LSG-1890B<\/strong> <a href=\"https:\/\/www.lisungroup.com\/products\/goniophotometer\/lm-79-moving-detector-goniophotometer.html\" target=\"_blank\" rel=\"noopener\">goniofot\u00f4metros<\/a> offer high-precision testing capabilities, adhering to IEC, CIE, and other global standards. This article explores their technical specifications, testing methodologies, and industry applications in detail.  <\/p>\n<h2><strong>Technical Specifications of the LSG-6000 and LSG-1890B Goniophotometers<\/strong><\/h2>\n<p>O <strong>LSG-6000<\/strong> is a fully automated, large-scale <a href=\"https:\/\/www.lisungroup.com\/products\/goniophotometer\/lm-79-moving-detector-goniophotometer.html\" target=\"_blank\" rel=\"noopener\"><a href=\"https:\/\/www.ledphotometer.com\/products\/lm-79-moving-detector-goniophotometer-mirror-type-c\/\" target=\"_blank\" rel=\"noopener\">goniofot\u00f4metro<\/a><\/a> designed for high-accuracy luminous intensity distribution measurements. Its key specifications include:  <\/p>\n<ul>\n<li><strong>Faixa de medi\u00e7\u00e3o<\/strong>: Up to 6 meters in diameter, accommodating large luminaires.  <\/li>\n<li><strong>Resolu\u00e7\u00e3o Angular<\/strong>: 0.1\u00b0 in both horizontal and vertical axes.  <\/li>\n<li><strong>Gama espetral<\/strong>: 380\u2013780 nm (expandable for UV\/IR applications).  <\/li>\n<li><strong>Normas de conformidade<\/strong>: IEC 60598-1, LM-79, CIE 70, EN 13032-1.  <\/li>\n<li><strong>Detector System<\/strong>: High-sensitivity CCD spectrometer with \u00b12% photometric accuracy.  <\/li>\n<\/ul>\n<p>O <strong>LSG-1890B<\/strong>, a more compact variant, is optimized for laboratory and industrial settings requiring rapid testing cycles:  <\/p>\n<ul>\n<li><strong>Faixa de medi\u00e7\u00e3o<\/strong>: 1.8 meters in diameter, suitable for small to medium luminaires.  <\/li>\n<li><strong>Resolu\u00e7\u00e3o Angular<\/strong>: 0.5\u00b0 (adjustable to 0.1\u00b0 for high-precision applications).  <\/li>\n<li><strong>Gama espetral<\/strong>: 380\u2013780 nm (with optional extended ranges).  <\/li>\n<li><strong>Normas de conformidade<\/strong>: IEC 62471, IES LM-80, ANSI C78.377.  <\/li>\n<li><strong>Detector System<\/strong>: Silicon photodiode array with \u00b11.5% repeatability.  <\/li>\n<\/ul>\n<p>Both systems feature automated motion control, real-time data acquisition, and software integration for comprehensive photometric analysis.  <\/p>\n<h2><strong>Fundamental Testing Principles of Goniophotometry<\/strong><\/h2>\n<p>Goniophotometers operate on the principle of measuring luminous intensity distribution by rotating a light source or detector across spherical coordinates (C-\u03b3 or A-\u03b1 systems). The LSG-6000 and LSG-1890B utilize a <strong>Type C<\/strong> (moving detector, fixed light source) configuration, ensuring minimal measurement distortion.  <\/p>\n<p>Key measurement parameters include:  <\/p>\n<ul>\n<li><strong>Fluxo luminoso (lm)<\/strong>: Total light output calculated via angular integration.  <\/li>\n<li><strong>Beam Angle (\u00b0)<\/strong>: Largura angular em que a intensidade desce para 50% do pico.  <\/li>\n<li><strong>Uniformidade de cor<\/strong>: Spatial consistency of chromaticity coordinates (CIE 1931\/1976).  <\/li>\n<li><strong>Glare Evaluation<\/strong>: UGR (Unified Glare Rating) for indoor lighting compliance.  <\/li>\n<\/ul>\n<p>Data is processed through proprietary algorithms, generating <strong>Arquivos IES\/LDT<\/strong> for lighting simulation software such as Dialux and Relux.  <\/p>\n<h2><strong>Industry Applications and Compliance with International Standards<\/strong><\/h2>\n<h3><strong>1. Lighting Industry and LED\/OLED Manufacturing<\/strong><\/h3>\n<p>The LSG-6000 is widely used for <strong>LM-79 (IESNA)<\/strong> e <strong>EN 13032-1<\/strong> compliance, ensuring accurate reporting of luminous flux, efficacy (lm\/W), and far-field intensity distribution. OLED manufacturers rely on its high angular resolution to validate emission uniformity.  <\/p>\n<h3><strong>2. Display Equipment Testing<\/strong><\/h3>\n<p>For LCD and micro-LED displays, the LSG-1890B measures <strong>viewing angle performance<\/strong> por <strong>IEC 62977<\/strong>, ensuring consistent brightness and color shift characteristics.  <\/p>\n<h3><strong>3. Photovoltaic Industry<\/strong><\/h3>\n<p>Solar simulators and concentrator photovoltaics (CPV) use goniophotometers to calibrate <strong>angular response<\/strong> under <strong>IEC 60904-9<\/strong>, optimizing light capture efficiency.  <\/p>\n<h3><strong>4. Equipamento de ilumina\u00e7\u00e3o m\u00e9dica<\/strong><\/h3>\n<p>Surgical and diagnostic lighting must meet <strong>ISO 15004-2<\/strong> for spectral stability. The LSG-6000\u2019s spectrometer module validates <strong>flicker percentage<\/strong> e <strong>CRI (Color Rendering Index)<\/strong>.  <\/p>\n<h3><strong>5. Urban and Architectural Lighting<\/strong><\/h3>\n<p>Municipalities employ these systems to assess <strong>roadway luminaires<\/strong> por <strong>ANSI\/IES RP-8<\/strong>, minimizing light pollution while ensuring uniform illumination.  <\/p>\n<h2><strong>Vantagens competitivas dos goniofot\u00f4metros LISUN<\/strong><\/h2>\n<ol>\n<li><strong>Calibra\u00e7\u00e3o automatizada<\/strong>: Self-aligning optics reduce setup time.  <\/li>\n<li><strong>Conformidade com v\u00e1rios padr\u00f5es<\/strong>: Supports IEC, ANSI, CIE, and regional norms.  <\/li>\n<li><strong>Conce\u00e7\u00e3o modular<\/strong>: Optional spectroradiometers and thermal chambers for extended testing.  <\/li>\n<li><strong>High-Speed Data Acquisition<\/strong>: Real-time processing for production-line integration.  <\/li>\n<\/ol>\n<h2><strong>Perguntas frequentes (FAQ)<\/strong><\/h2>\n<p><strong>Q1: What is the typical measurement time for a full spatial scan on the LSG-6000?<\/strong><br \/>\nA full 4\u03c0 steradian scan at 0.1\u00b0 resolution takes approximately <strong>20\u201330 minutes<\/strong>, depending on luminaire size.  <\/p>\n<p><strong>Q2: Can the LSG-1890B measure UV or IR emissions?<\/strong><br \/>\nYes, with an optional extended-range spectrometer (250\u20131100 nm), it supports <strong>UV disinfection lamps<\/strong> e <strong>IR heating elements<\/strong>.  <\/p>\n<p><strong>Q3: How does the system compensate for ambient light interference?<\/strong><br \/>\nA darkroom enclosure and synchronized background subtraction algorithms ensure <strong>&lt;1% stray light error<\/strong>.  <\/p>\n<p><strong>Q4: Are these systems compatible with third-party lighting design software?<\/strong><br \/>\nYes, exported IES\/LDT files integrate seamlessly with <strong>Dialux, Relux, and AGi32<\/strong>.  <\/p>\n<p><strong>Q5: What maintenance is required for long-term accuracy?<\/strong><br \/>\nAnnual recalibration using NIST-traceable standards is recommended, alongside routine detector cleaning.  <\/p>\n<p>This technical overview underscores the LSG-6000 and LSG-1890B as industry-leading solutions for photometric validation across diverse applications. Their precision, compliance flexibility, and automation capabilities make them indispensable for R&amp;D and quality assurance in lighting and optical technologies.<\/p>","protected":false},"excerpt":{"rendered":"<p>Introduction to Goniophotometry and Its Industrial Significance Goniophotometers are specialized instruments designed to measure the spatial distribution of light emitted from luminaires, LEDs, displays, and other optical sources. These systems play a critical role in ensuring compliance with international photometric standards, optimizing lighting design, and validating product performance across industries such as LED manufacturing, urban [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":3510,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[85],"class_list":["post-6051","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blogs","tag-goniophotometer-for-sale"],"_links":{"self":[{"href":"https:\/\/ledtestsystem.com\/pt\/wp-json\/wp\/v2\/posts\/6051","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ledtestsystem.com\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ledtestsystem.com\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ledtestsystem.com\/pt\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ledtestsystem.com\/pt\/wp-json\/wp\/v2\/comments?post=6051"}],"version-history":[{"count":0,"href":"https:\/\/ledtestsystem.com\/pt\/wp-json\/wp\/v2\/posts\/6051\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ledtestsystem.com\/pt\/wp-json\/wp\/v2\/media\/3510"}],"wp:attachment":[{"href":"https:\/\/ledtestsystem.com\/pt\/wp-json\/wp\/v2\/media?parent=6051"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ledtestsystem.com\/pt\/wp-json\/wp\/v2\/categories?post=6051"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ledtestsystem.com\/pt\/wp-json\/wp\/v2\/tags?post=6051"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}