{"id":2448,"date":"2025-06-19T19:35:58","date_gmt":"2025-06-19T11:35:58","guid":{"rendered":"https:\/\/www.ledphotometer.com\/blog\/eft-immunity-measurement\/"},"modified":"2025-07-03T15:21:41","modified_gmt":"2025-07-03T07:21:41","slug":"medicao-da-imunidade-eft","status":"publish","type":"post","link":"https:\/\/www.ledtestsystem.com\/pt\/produtos\/medicao-da-imunidade-eft\/","title":{"rendered":"IEC 61000-4-4 Gerador de transientes r\u00e1pidos el\u00e9ctricos"},"content":{"rendered":"<p>O aparelho de teste de imunidade EFT61000-4 EFT foi especialmente concebido de acordo com as carater\u00edsticas e requisitos da medi\u00e7\u00e3o EFT e \u00e9 uma fonte de perturba\u00e7\u00e3o ideal para a medi\u00e7\u00e3o EMS. Tem um bom desempenho, como alta estabilidade, alta fiabilidade, f\u00e1cil de usar, etc.  O EFT61000-4 tem um ecr\u00e3 t\u00e1til LCD em ingl\u00eas e chin\u00eas.<\/p>\n<p><strong>Padr\u00e3o:<\/strong><br \/>\n<a href=\"https:\/\/www.lisungroup.com\/wp-content\/uploads\/2020\/02\/IEC61000-4-4-2004-Standard-Free-Download.pdf\" target=\"_blank\" rel=\"noopener\">IEC 61000-4-4<\/a>\/<a href=\"https:\/\/www.lisungroup.com\/wp-content\/uploads\/2020\/02\/EN61000-4-4-1995-Standard-Free-Download.pdf\" target=\"_blank\" rel=\"noopener\">EN 61000-4-4<\/a> \"Compatibilidade electromagn\u00e9tica (EMC) - Parte 4-4: T\u00e9cnicas de ensaio e de medi\u00e7\u00e3o - Ensaio de imunidade el\u00e9ctrica a transientes r\u00e1pidos\/sobretens\u00f5es\"<\/p>\n<p><b>Especifica\u00e7\u00e3o<\/b>:<\/p>\n<table style=\"width: 101.179%; height: 486px;\">\n<tbody>\n<tr style=\"height: 48px;\">\n<td style=\"height: 48px; width: 17.4725%; text-align: center; vertical-align: middle;\" width=\"148\"><strong>Modelo LISUN<\/strong><\/td>\n<td style=\"height: 48px; width: 10.5495%; text-align: center; vertical-align: middle;\" width=\"88\">EFT61000-4<\/td>\n<td style=\"height: 48px; width: 11.5385%; text-align: center; vertical-align: middle;\" width=\"97\">EFT61000-4A<\/td>\n<td style=\"height: 48px; width: 14.5055%; text-align: center; vertical-align: middle;\" width=\"123\">EFT61000-4-32A<\/td>\n<td style=\"height: 48px; width: 14.5055%; text-align: center; vertical-align: middle;\" width=\"123\">EFT61000-4A-32A<\/td>\n<td style=\"height: 48px; width: 14.5055%; text-align: center; vertical-align: middle;\" width=\"123\">EFT61000-4-100A<\/td>\n<td style=\"height: 48px; width: 15.8242%; text-align: center; vertical-align: middle;\" width=\"134\">EFT61000-4A-100A<\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"height: 24px; width: 17.4725%; text-align: center; vertical-align: middle;\" width=\"148\">Tens\u00e3o de sa\u00edda<\/td>\n<td style=\"height: 24px; width: 10.5495%; text-align: center; vertical-align: middle;\" width=\"88\">0~5kV<\/td>\n<td style=\"height: 24px; width: 11.5385%; text-align: center; vertical-align: middle;\" width=\"97\">0~6kV<\/td>\n<td style=\"height: 24px; width: 14.5055%; text-align: center; vertical-align: middle;\" width=\"123\">0~5kV<\/td>\n<td style=\"height: 24px; width: 14.5055%; text-align: center; vertical-align: middle;\" width=\"123\">0~6kV<\/td>\n<td style=\"height: 24px; width: 14.5055%; text-align: center; vertical-align: middle;\" width=\"123\">0~5kV<\/td>\n<td style=\"height: 24px; width: 15.8242%; text-align: center; vertical-align: middle;\" width=\"134\">0~6kV<\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"height: 24px; width: 17.4725%; text-align: center; vertical-align: middle;\" width=\"148\">Frequ\u00eancia de impulsos<\/td>\n<td style=\"height: 24px; width: 81.4286%; text-align: center; vertical-align: middle;\" colspan=\"6\" width=\"688\">1kHz~1,000kHz Ajust\u00e1vel continuamente<\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"height: 24px; width: 17.4725%; text-align: center; vertical-align: middle;\" width=\"148\">Impulso polar<\/td>\n<td style=\"height: 24px; width: 81.4286%; text-align: center; vertical-align: middle;\" colspan=\"6\" width=\"688\"><span class=\"HwtZe\" lang=\"en\"><span class=\"jCAhz ChMk0b\"><span class=\"ryNqvb\">Altern\u00e2ncia autom\u00e1tica positivo\/negativo, positivo e negativo<\/span><\/span><\/span><\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"height: 24px; width: 17.4725%; text-align: center; vertical-align: middle;\" width=\"148\">Resist\u00eancia interna<\/td>\n<td style=\"height: 24px; width: 81.4286%; text-align: center; vertical-align: middle;\" colspan=\"6\" width=\"688\">50\u03a9 \u00b120%\u30011000\u03a9 \u00b120%<\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"height: 24px; width: 17.4725%; text-align: center; vertical-align: middle;\" width=\"148\">Tempo de subida do impulso<\/td>\n<td style=\"height: 24px; width: 81.4286%; text-align: center; vertical-align: middle;\" colspan=\"6\" width=\"688\">5ns \u00b130%<\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"height: 24px; width: 17.4725%; text-align: center; vertical-align: middle;\" width=\"148\">Largura do impulso (a 50\u03a9)<\/td>\n<td style=\"height: 24px; width: 81.4286%; text-align: center; vertical-align: middle;\" colspan=\"6\" width=\"688\">50ns \u00b130%<\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"height: 24px; width: 17.4725%; text-align: center; vertical-align: middle;\" width=\"148\">Largura do impulso (a 1k\u03a9)<\/td>\n<td style=\"height: 24px; width: 81.4286%; text-align: center; vertical-align: middle;\" colspan=\"6\" width=\"688\">35ns\uff5e150ns<\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"height: 24px; width: 17.4725%; text-align: center; vertical-align: middle;\" width=\"148\">Comprimento do impulso<\/td>\n<td style=\"height: 24px; width: 81.4286%; text-align: center; vertical-align: middle;\" colspan=\"6\" width=\"688\">0,01ms~20ms<\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"height: 24px; width: 17.4725%; text-align: center; vertical-align: middle;\" width=\"148\">Per\u00edodo de impulsos<\/td>\n<td style=\"height: 24px; width: 81.4286%; text-align: center; vertical-align: middle;\" colspan=\"6\" width=\"688\">100ms~500ms<\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"height: 24px; width: 17.4725%; text-align: center; vertical-align: middle;\" width=\"148\">Tempo de teste<\/td>\n<td style=\"height: 24px; width: 81.4286%; text-align: center; vertical-align: middle;\" colspan=\"6\" width=\"688\">1s~9999s<\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"height: 24px; width: 17.4725%; text-align: center; vertical-align: middle;\" width=\"148\">Fun\u00e7\u00e3o de teste<\/td>\n<td style=\"height: 24px; width: 81.4286%; text-align: center; vertical-align: middle;\" colspan=\"6\" width=\"688\">Definir o modo de teste ou a norma IEC<\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"height: 24px; width: 17.4725%; text-align: center; vertical-align: middle;\" width=\"148\">Rede de acoplamento\/desacoplamento<\/td>\n<td style=\"height: 24px; width: 22.0879%; text-align: center; vertical-align: middle;\" colspan=\"2\" width=\"185\">CDN incorporado, 16A, 3 fases\/5 linhas<\/td>\n<td style=\"height: 24px; width: 29.011%; text-align: center; vertical-align: middle;\" colspan=\"2\" width=\"246\">CDN incorporado, 32A, 3 fases\/5 linhas<\/td>\n<td style=\"height: 24px; width: 30.3297%; text-align: center; vertical-align: middle;\" colspan=\"2\" width=\"257\">CDN externo, 100A, 3 fases\/5 linhas<\/td>\n<\/tr>\n<tr style=\"height: 24px;\">\n<td style=\"height: 24px; width: 17.4725%; text-align: center; vertical-align: middle;\" width=\"148\">Alimenta\u00e7\u00e3o el\u00e9ctrica de trabalho<\/td>\n<td style=\"height: 24px; width: 81.4286%; text-align: center; vertical-align: middle;\" colspan=\"6\" width=\"688\">AC220V (110V opcional) \u00b110%, 50\/60Hz<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div id=\"attachment_11960\" class=\"wp-caption aligncenter\" style=\"width: 439px;\">\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"wp-image-11960 size-full\" src=\"https:\/\/www.lisungroup.com\/wp-content\/uploads\/2019\/07\/YETBAXK4Z4W6PL5J11.png\" sizes=\"(max-width: 429px) 100vw, 429px\" srcset=\"https:\/\/www.lisungroup.com\/wp-content\/uploads\/2019\/07\/YETBAXK4Z4W6PL5J11.png 429w, https:\/\/www.lisungroup.com\/wp-content\/uploads\/2019\/07\/YETBAXK4Z4W6PL5J11-400x185.png 400w\" alt=\"\" width=\"429\" height=\"198\" aria-describedby=\"caption-attachment-11960\" title=\"\"><\/p>\n<p id=\"caption-attachment-11960\" class=\"wp-caption-text\"><span style=\"color: #ff0000;\">EFT-CLAMP_clipe de acoplamento de capacit\u00e2ncia<\/span><\/p>\n<\/div>\n<p>Se voc\u00ea testar a linha de comunica\u00e7\u00e3o, como o cabo RJ45, sugerimos que voc\u00ea escolha LISUN EFT-CLAMP Pin\u00e7a de acoplamento capacitivo. Tamb\u00e9m sugerimos que os clientes escolham o EFT-DESK para trabalhar com o testador de imunidade EFT61000-4 EFT.<\/p>\n<div id=\"attachment_5937\" class=\"wp-caption aligncenter\" style=\"width: 410px;\">\n<p><img decoding=\"async\" class=\"size-medium wp-image-5937\" src=\"https:\/\/www.lisungroup.com\/wp-content\/uploads\/2019\/07\/EFT-DESK_AL1-400x400.jpg\" sizes=\"(max-width: 400px) 100vw, 400px\" srcset=\"https:\/\/www.lisungroup.com\/wp-content\/uploads\/2019\/07\/EFT-DESK_AL1-400x400.jpg 400w, https:\/\/www.lisungroup.com\/wp-content\/uploads\/2019\/07\/EFT-DESK_AL1-100x100.jpg 100w, https:\/\/www.lisungroup.com\/wp-content\/uploads\/2019\/07\/EFT-DESK_AL1-768x768.jpg 768w, https:\/\/www.lisungroup.com\/wp-content\/uploads\/2019\/07\/EFT-DESK_AL1-1080x1080.jpg 1080w, https:\/\/www.lisungroup.com\/wp-content\/uploads\/2019\/07\/EFT-DESK_AL1.jpg 1200w\" alt=\"\" width=\"400\" height=\"400\" aria-describedby=\"caption-attachment-5937\" title=\"\"><\/p>\n<p id=\"caption-attachment-5937\" class=\"wp-caption-text\"><span style=\"color: #ff0000;\">Mesa de testes EFT<\/span><\/p>\n<\/div>\n<p><strong><a href=\"https:\/\/www.lisungroup.com\/news\/technology-news\/lisun-eft61000-4-eft-immunity-measurement-after-sales-questions-and-answers.html\" target=\"_blank\" rel=\"noopener\">LISUN EFT61000-4 Medi\u00e7\u00e3o de imunidade EFT - Perguntas frequentes p\u00f3s-venda (FAQ)<\/a><br \/>\n<\/strong>LISUN EFT61000-4 EFT Immunity Measurement estavam no mercado h\u00e1 mais de 10 anos, a equipe de servi\u00e7o dos engenheiros da LISUN j\u00e1 resume a maioria das perguntas e respostas p\u00f3s-venda no link acima. Por favor, leia-o com aten\u00e7\u00e3o, voc\u00ea pode resolver a maioria dos problemas sozinho se tiver algumas perguntas ao usar os instrumentos. LISUN continuar\u00e1 a atualizar essas p\u00e1ginas e mais perguntas frequentes podem ser encontradas neste link de t\u00f3pico.<\/p>","protected":false},"excerpt":{"rendered":"<p>The EFT61000-4 EFT immunity tester is especially designed according to the characteristics and requirements of EFT measurement and it is an ideal disturbance source of EMS measurement. It has fine performance, such as high stability, high reliability, easy to use etc.\u00a0 EFT61000-4 has LCD touch screen in both English and Chinese. Standard: IEC 61000-4-4\/EN 61000-4-4 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":3217,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6],"tags":[202],"class_list":["post-2448","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-products","tag-eft61000-4"],"_links":{"self":[{"href":"https:\/\/www.ledtestsystem.com\/pt\/wp-json\/wp\/v2\/posts\/2448","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ledtestsystem.com\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ledtestsystem.com\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ledtestsystem.com\/pt\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ledtestsystem.com\/pt\/wp-json\/wp\/v2\/comments?post=2448"}],"version-history":[{"count":0,"href":"https:\/\/www.ledtestsystem.com\/pt\/wp-json\/wp\/v2\/posts\/2448\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.ledtestsystem.com\/pt\/wp-json\/wp\/v2\/media\/3217"}],"wp:attachment":[{"href":"https:\/\/www.ledtestsystem.com\/pt\/wp-json\/wp\/v2\/media?parent=2448"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ledtestsystem.com\/pt\/wp-json\/wp\/v2\/categories?post=2448"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ledtestsystem.com\/pt\/wp-json\/wp\/v2\/tags?post=2448"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}