{"id":7955,"date":"2018-01-04T09:03:55","date_gmt":"2018-01-04T11:03:55","guid":{"rendered":"https:\/\/blog.wika.com\/pt\/\/?p=7955"},"modified":"2024-07-24T13:40:39","modified_gmt":"2024-07-24T16:40:39","slug":"protecao-ex-para-termometros-mecanicos-nova-norma-nova-marcacao","status":"publish","type":"post","link":"https:\/\/blog.wika.com\/pt\/know-how\/protecao-ex-para-termometros-mecanicos-nova-norma-nova-marcacao\/","title":{"rendered":"Prote\u00e7\u00e3o Ex para term\u00f4metros mec\u00e2nicos: Nova norma = nova marca\u00e7\u00e3o"},"content":{"rendered":"<p><strong>Instrumentos mec\u00e2nicos de medi\u00e7\u00e3o para uso em atmosferas explosivas podem agora ser avaliados em conformidade com uma nova norma: a DIN EN ISO 80079-36\/37 substituir\u00e1 a EN 13463-1\/5, com a data final do per\u00edodo de transi\u00e7\u00e3o em 31 de outubro de 2019. Para os primeiros instrumentos, a WIKA classificou os term\u00f4metros \u00e0 expans\u00e3o de g\u00e1s modelo 73 e 74 em conformidade com a nova diretiva e emitiu a declara\u00e7\u00e3o de conformidade correspondente. O que essa mudan\u00e7a significa para o usu\u00e1rio? <\/strong><\/p>\n<p>Primeiramente, e mais importante, a ISO 80079 v\u00e1lida internacionalmente (data de aplica\u00e7\u00e3o: 01 de dezembro de 2016) assumiu os requisitos b\u00e1sicos de seguran\u00e7a da EN 13463. Ambos os term\u00f4metros \u00e0 expans\u00e3o de g\u00e1s avaliados pela WIKA, portanto, permanecem construtivos e funcionalmente inalterados.<\/p>\n<p>A diferen\u00e7a mais vis\u00edvel \u00e9 a marca\u00e7\u00e3o dos instrumentos. A informa\u00e7\u00e3o no mostrador e na etiqueta do produto, correspondente aos requisitos da ISO 80079 e da nova diretiva ATEX, 2014\/34\/EU:<\/p>\n<table class=\"aligncenter\" style=\"width: 836px\" border=\"1\" cellspacing=\"30\" cellpadding=\"30\">\n<tbody>\n<tr style=\"height: 42px\">\n<td style=\"width: 438px;height: 42px;background-color: #74c5e8;text-align: center\" colspan=\"5\"><strong><strong>ATEX 2014\/34\/EU<br \/>\n<\/strong><\/strong><\/td>\n<td style=\"width: 647px;height: 42px;background-color: #74c5e8;text-align: center\" colspan=\"6\"><strong>ISO 80079-36\/37<\/strong><\/td>\n<\/tr>\n<tr style=\"height: 21px\">\n<td style=\"background-color: #d1eaff;text-align: center;vertical-align: middle;width: 134px\">A<\/td>\n<td style=\"background-color: #d1eaff;text-align: center;vertical-align: middle;width: 101px\">B<\/td>\n<td style=\"background-color: #d1eaff;text-align: center;vertical-align: middle;width: 44px\">C<\/td>\n<td style=\"background-color: #d1eaff;text-align: center;vertical-align: middle;width: 65px\">D<\/td>\n<td style=\"background-color: #d1eaff;text-align: center;vertical-align: middle;width: 94px\">E<\/td>\n<td style=\"background-color: #d1eaff;text-align: center;vertical-align: middle;width: 10px\">1<\/td>\n<td style=\"background-color: #d1eaff;text-align: center;vertical-align: middle;width: 31px\">2<\/td>\n<td style=\"background-color: #d1eaff;text-align: center;vertical-align: middle;width: 31px\">3<\/td>\n<td style=\"background-color: #d1eaff;text-align: center;vertical-align: middle;width: 439px\">4<\/td>\n<td style=\"background-color: #d1eaff;text-align: center;vertical-align: middle;width: 50px\">5<\/td>\n<td style=\"background-color: #d1eaff;text-align: center;vertical-align: middle;width: 86px\">6<\/td>\n<\/tr>\n<tr style=\"height: 49px\">\n<td style=\"width: 134px;height: 49px;text-align: center;vertical-align: middle\" rowspan=\"2\"><img decoding=\"async\" src=\"https:\/\/blog.wika.com\/en\/wp-content\/blogs.dir\/18\/files\/2017\/10\/ce_2.jpg\" class=\"alignright\" \/><\/td>\n<td style=\"width: 101px;height: 49px;text-align: center;vertical-align: middle\" rowspan=\"2\"><img decoding=\"async\" src=\"https:\/\/blog.wika.com\/en\/wp-content\/blogs.dir\/18\/files\/2017\/10\/ex_2.jpg\" class=\"alignright\" \/><\/td>\n<td style=\"width: 44px;height: 49px;text-align: center;vertical-align: middle\">II<\/td>\n<td style=\"width: 65px;height: 49px;text-align: center;vertical-align: middle\">2<\/td>\n<td style=\"width: 94px;height: 49px;text-align: center;vertical-align: middle\">G<\/td>\n<td style=\"width: 10px;height: 49px;text-align: center;vertical-align: middle\">Ex<\/td>\n<td style=\"width: 31px;height: 49px;text-align: center;vertical-align: middle\">h<\/td>\n<td style=\"width: 31px;height: 49px;text-align: center;vertical-align: middle\">IIC<\/td>\n<td style=\"width: 439px;height: 49px;text-align: center;vertical-align: middle\">T6 &#8230; T1<\/td>\n<td style=\"width: 50px;height: 49px;text-align: center;vertical-align: middle\">Gb<\/td>\n<td style=\"width: 86px;height: 49px;text-align: center;vertical-align: middle\">X<\/td>\n<\/tr>\n<tr style=\"height: 49px\">\n<td style=\"width: 44px;height: 49px;text-align: center;vertical-align: middle\">II<\/td>\n<td style=\"width: 65px;height: 49px;text-align: center;vertical-align: middle\">2<\/td>\n<td style=\"width: 94px;height: 49px;text-align: center;vertical-align: middle\">D<\/td>\n<td style=\"width: 10px;height: 49px;text-align: center;vertical-align: middle\">Ex<\/td>\n<td style=\"width: 31px;height: 49px;text-align: center;vertical-align: middle\">h<\/td>\n<td style=\"width: 31px;height: 49px;text-align: center;vertical-align: middle\">IIIC<\/td>\n<td style=\"width: 439px;height: 49px;text-align: center;vertical-align: middle\">T85\u00b0C &#8230; T450\u00b0C<\/td>\n<td style=\"width: 50px;height: 49px;text-align: center;vertical-align: middle\">Db<\/td>\n<td style=\"width: 86px;height: 49px;text-align: center;vertical-align: middle\">X<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>Para o usu\u00e1rio, a informa\u00e7\u00e3o do tipo de prote\u00e7\u00e3o \u00e9 de interesse particular \u2013 a letra \u201ch\u201d certifica que o instrumento mec\u00e2nico tem a adequa\u00e7\u00e3o b\u00e1sica para uso em atmosferas explosivas. A informa\u00e7\u00e3o convencional pr\u00e9via sobre a prote\u00e7\u00e3o tipo \u201cc\u201d (prote\u00e7\u00e3o atrav\u00e9s da seguran\u00e7a construtiva) n\u00e3o \u00e9 mais necess\u00e1ria. No entanto, os crit\u00e9rios para o cumprimento desses e outros tipos de prote\u00e7\u00e3o tamb\u00e9m est\u00e3o inclu\u00eddos no novo padr\u00e3o, e a WIKA, assim como antes, seguiu os requisitos para a prote\u00e7\u00e3o tipo \u201cc\u201d na avalia\u00e7\u00e3o de conformidade atual.<\/p>\n<p>A nova marca\u00e7\u00e3o \u00e9 explicada em detalhes nas seguintes tabelas:<\/p>\n<h2><strong>ATEX 2014\/34\/EU<\/strong><\/h2>\n<table class=\" aligncenter\" style=\"width: 836px\" cellspacing=\"30\">\n<tbody>\n<tr>\n<td style=\"background-color: #74c5e8;text-align: center;vertical-align: middle;width: 28px\"><strong>\u00a0Item<\/strong><\/td>\n<td style=\"background-color: #74c5e8;width: 249px;text-align: left;vertical-align: middle\"><strong>Marca\u00e7\u00e3o<\/strong><\/td>\n<td style=\"background-color: #74c5e8;text-align: center;vertical-align: middle;width: 90px\"><strong>S\u00edmbolo<\/strong><\/td>\n<td style=\"background-color: #74c5e8;width: 469px;text-align: left;vertical-align: middle\"><strong>Significado<\/strong><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 28px;background-color: #d1eaff;text-align: center;vertical-align: middle\">\u00a0A<\/td>\n<td style=\"width: 249px;text-align: left;vertical-align: middle\">CE<\/td>\n<td style=\"width: 90px;text-align: center;vertical-align: middle\"><img decoding=\"async\" src=\"https:\/\/blog.wika.com\/en\/wp-content\/blogs.dir\/18\/files\/2017\/10\/ce_2.jpg\" \/><\/td>\n<td style=\"width: 469px;text-align: left;vertical-align: middle\">Conformidade Europeia<\/td>\n<\/tr>\n<tr>\n<td style=\"background-color: #d1eaff;text-align: center;vertical-align: middle;width: 28px\">\u00a0B<\/td>\n<td style=\"width: 249px;text-align: left;vertical-align: middle\">Espec\u00edfico para prote\u00e7\u00e3o contra explos\u00e3o<\/td>\n<td style=\"width: 90px;text-align: center;vertical-align: middle\"><img decoding=\"async\" src=\"https:\/\/blog.wika.com\/en\/wp-content\/blogs.dir\/18\/files\/2017\/10\/ex_2.jpg\" \/><\/td>\n<td style=\"width: 469px;text-align: left;vertical-align: middle\">\u00a0<\/td>\n<\/tr>\n<tr>\n<td style=\"background-color: #d1eaff;text-align: center;vertical-align: middle;width: 28px\">\u00a0C<\/td>\n<td style=\"width: 249px;text-align: left;vertical-align: middle\">Grupo de equipamentos<\/td>\n<td style=\"width: 90px;text-align: center;vertical-align: middle\">II<\/td>\n<td style=\"width: 469px;text-align: left;vertical-align: middle\">Equipamentos destinados a serem utilizados em outros locais al\u00e9m de partes subterr\u00e2neas de minas e em algumas instala\u00e7\u00f5es em superf\u00edcie dessas minas, suscept\u00edveis de serem amea\u00e7adas por gases inflam\u00e1veis e\/ou p\u00f3 combust\u00edvel e tamb\u00e9m atrav\u00e9s de uma atmosfera explosiva.<\/td>\n<\/tr>\n<tr>\n<td style=\"background-color: #d1eaff;text-align: center;vertical-align: middle;width: 28px\">\u00a0D<\/td>\n<td style=\"width: 249px;text-align: left;vertical-align: middle\">\n<p>Categoria do\u00a0instrumento<\/p>\n<\/td>\n<td style=\"width: 90px;text-align: center;vertical-align: middle\">2<\/td>\n<td style=\"width: 469px;text-align: left;vertical-align: middle\">Alta seguran\u00e7a (aprovado para zona 1 e 21)<\/td>\n<\/tr>\n<tr>\n<td style=\"background-color: #d1eaff;text-align: center;vertical-align: middle;width: 28px\" rowspan=\"2\">\u00a0E<\/td>\n<td style=\"width: 249px;text-align: left;vertical-align: middle\" rowspan=\"2\">Atmosfera Ex\u00a0<\/td>\n<td style=\"width: 90px;text-align: center;vertical-align: middle\">G<\/td>\n<td style=\"width: 469px;text-align: left;vertical-align: middle\">Adequado para \u00e1reas onde est\u00e3o presentes g\u00e1s explosivo, vapor, n\u00e9voa e mistura de ares.<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 90px;text-align: center;vertical-align: middle\">D<\/td>\n<td style=\"width: 469px;text-align: left;vertical-align: middle\">Adequado para \u00e1reas nas quais atmosferas explosivas causadas por p\u00f3 podem ser formadas.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2><strong>ISO 80079-36\/37<\/strong><\/h2>\n<table style=\"width: 836px\">\n<tbody>\n<tr style=\"height: 49px\">\n<td style=\"background-color: #74c5e8;text-align: center;vertical-align: middle;width: 28px;height: 49px\"><strong>\u00a0Item<\/strong><\/td>\n<td style=\"background-color: #74c5e8;width: 249px;text-align: left;vertical-align: middle;height: 49px\"><strong>Marca\u00e7\u00e3o<\/strong><\/td>\n<td style=\"background-color: #74c5e8;width: 148px;text-align: center;height: 49px\"><strong>S\u00edmbolo<\/strong><\/td>\n<td style=\"background-color: #74c5e8;width: 408px;text-align: left;vertical-align: middle;height: 49px\"><b>Significado<\/b><\/td>\n<\/tr>\n<tr style=\"height: 50px\">\n<td style=\"background-color: #d1eaff;text-align: center;vertical-align: middle;width: 28px;height: 50px\">\u00a01<\/td>\n<td style=\"width: 249px;text-align: left;vertical-align: middle;height: 50px\">Ex<\/td>\n<td style=\"width: 148px;text-align: center;vertical-align: middle;height: 50px\">\u00a0Ex<\/td>\n<td style=\"width: 408px;text-align: left;vertical-align: middle;height: 50px\">Conforme ISO80079-36\/37<\/td>\n<\/tr>\n<tr style=\"height: 50px\">\n<td style=\"background-color: #d1eaff;text-align: center;vertical-align: middle;width: 28px;height: 50px\">\u00a02<\/td>\n<td style=\"width: 249px;text-align: left;vertical-align: middle;height: 50px\">\u00a0Tipo de prote\u00e7\u00e3o<\/td>\n<td style=\"width: 148px;text-align: center;vertical-align: middle;height: 50px\">h<\/td>\n<td style=\"width: 408px;text-align: left;vertical-align: middle;height: 50px\">Equipamento n\u00e3o el\u00e9trico para atmosfera explosivas<\/td>\n<\/tr>\n<tr style=\"height: 50px\">\n<td style=\"background-color: #d1eaff;text-align: center;vertical-align: middle;width: 28px;height: 118px\" rowspan=\"2\">\u00a03<\/td>\n<td style=\"width: 249px;text-align: left;vertical-align: middle;height: 118px\" rowspan=\"2\">\u00a0Atmosfera adequada<\/td>\n<td style=\"width: 148px;text-align: center;vertical-align: middle;height: 50px\">IIC<\/td>\n<td style=\"width: 408px;text-align: left;vertical-align: middle;height: 50px\">G\u00e1s (grupo IIC)<\/td>\n<\/tr>\n<tr style=\"height: 68px\">\n<td style=\"width: 148px;text-align: center;vertical-align: middle;height: 68px\">IIIC<\/td>\n<td style=\"width: 408px;text-align: left;vertical-align: middle;height: 68px\">S\u00f3lidos combust\u00edveis suspensos, poeira condutora e poeira n\u00e3o condutora<\/td>\n<\/tr>\n<tr style=\"height: 51px\">\n<td style=\"background-color: #d1eaff;text-align: center;vertical-align: middle;width: 28px;height: 101px\" rowspan=\"2\">\u00a04<\/td>\n<td style=\"width: 249px;text-align: left;vertical-align: middle;height: 101px\" rowspan=\"2\">Temperatura m\u00e1xima da superf\u00edcie*<\/td>\n<td style=\"width: 148px;text-align: center;vertical-align: middle;height: 51px\">T6 &#8230; T1<\/td>\n<td style=\"width: 408px;text-align: left;vertical-align: middle;height: 51px\">Classe de temperatura<\/td>\n<\/tr>\n<tr style=\"height: 50px\">\n<td style=\"width: 148px;text-align: center;vertical-align: middle;height: 50px\">T85\u00b0C &#8230; T450\u00b0C<\/td>\n<td style=\"width: 408px;text-align: left;vertical-align: middle;height: 50px\">Temperatura m\u00e1x. da superf\u00edcie<\/td>\n<\/tr>\n<tr style=\"height: 50px\">\n<td style=\"background-color: #d1eaff;text-align: center;vertical-align: middle;width: 28px;height: 100px\" rowspan=\"2\">\u00a05<\/td>\n<td style=\"width: 249px;text-align: left;vertical-align: middle;height: 100px\" rowspan=\"2\">EPL (novo: N\u00edvel de Prote\u00e7\u00e3o de Explos\u00e3o &#8211; NPE)<\/td>\n<td style=\"width: 148px;text-align: center;vertical-align: middle;height: 50px\">Gb<\/td>\n<td style=\"width: 408px;text-align: left;vertical-align: middle;height: 100px\" rowspan=\"2\">Prote\u00e7\u00e3o contra fontes de igni\u00e7\u00e3o que s\u00e3o eficazes ou podem entrar em vigor durante o funcionamento normal e mau funcionamento esperado.<\/td>\n<\/tr>\n<tr style=\"height: 50px\">\n<td style=\"width: 148px;text-align: center;vertical-align: middle;height: 50px\">Db<\/td>\n<\/tr>\n<tr style=\"height: 68px\">\n<td style=\"background-color: #d1eaff;text-align: center;vertical-align: middle;width: 28px;height: 68px\">\u00a06<\/td>\n<td style=\"width: 249px;text-align: left;vertical-align: middle;height: 68px\">Aplica\u00e7\u00f5es em condi\u00e7\u00f5es especiais (veja manual de instru\u00e7\u00f5es)<\/td>\n<td style=\"width: 148px;text-align: center;vertical-align: middle;height: 68px\">X<\/td>\n<td style=\"width: 408px;text-align: left;vertical-align: middle;height: 68px\">Temperatura ambiente com faixa especial (aqui se aplicam condi\u00e7\u00f5es especiais de opera\u00e7\u00e3o)<\/td>\n<\/tr>\n<tr style=\"height: 50px\">\n<td style=\"width: 28px;height: 50px\">\u00a0<\/td>\n<td style=\"width: 397px;height: 50px\" colspan=\"3\">* A temperatura m\u00e1xima atual da superf\u00edcie n\u00e3o depende do equipamento em si, mas sim das condi\u00e7\u00f5es de opera\u00e7\u00e3o.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong>Nota<br \/>\n<\/strong>Mais informa\u00e7\u00f5es sobre os modelos de term\u00f4metros \u00e0 expans\u00e3o de g\u00e1s o <a href=\"https:\/\/www.wika.com\/pt-br\/73.WIKA\" target=\"_blank\" rel=\"noopener external nofollow\" class=\"ext-link\" onclick=\"this.target=&#039;_blank&#039;;\">73<\/a> e o <a href=\"https:\/\/www.wika.com\/pt-br\/74.WIKA\" target=\"_blank\" rel=\"noopener external nofollow\" class=\"ext-link\" onclick=\"this.target=&#039;_blank&#039;;\">74<\/a> e a sua <a href=\"https:\/\/www.wika.com\/media\/Operating-instructions\/Additional-operating-instructions\/Ex\/ai_73_74_atex_en_de_fr_es.pdf?highlightedText=atex\" target=\"_blank\" rel=\"noopener external nofollow\" class=\"ext-link\" onclick=\"this.target=&#039;_blank&#039;;\">declara\u00e7\u00e3o de conformidade<\/a> (ingl\u00eas) correspondente, podem ser encontradas no site da WIKA.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Instrumentos mec\u00e2nicos de medi\u00e7\u00e3o para uso em atmosferas explosivas podem agora ser avaliados em conformidade com uma nova norma: a DIN EN ISO 80079-36\/37 substituir\u00e1 a EN 13463-1\/5, com a data final do per\u00edodo de transi\u00e7\u00e3o em 31 de outubro de 2019. Para os primeiros instrumentos, a WIKA classificou os term\u00f4metros \u00e0 expans\u00e3o de g\u00e1s [&hellip;]<\/p>\n","protected":false},"author":152,"featured_media":7963,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[13],"tags":[107,341],"class_list":["post-7955","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-know-how","tag-protecao-contra-explosao","tag-termometro"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Prote\u00e7\u00e3o Ex para term\u00f4metros mec\u00e2nicos- WIKA blog<\/title>\n<meta name=\"description\" content=\"Instrumentos mec\u00e2nicos de medi\u00e7\u00e3o para uso em atmosferas explosivas podem agora ser avaliados em conformidade com uma nova norma: a DIN EN ISO 80079-36\/37\" \/>\n<meta name=\"robots\" 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