{"id":8711,"date":"2026-05-07T13:30:09","date_gmt":"2026-05-07T05:30:09","guid":{"rendered":"https:\/\/www.microcybers.com\/?p=8711"},"modified":"2026-05-07T15:39:42","modified_gmt":"2026-05-07T07:39:42","slug":"guia-de-selecao-transmissor-de-temperatura-ncs-tt105","status":"publish","type":"post","link":"https:\/\/www.microcybers.com\/pt\/guia-de-selecao-transmissor-de-temperatura-ncs-tt105\/","title":{"rendered":"Guia de Sele\u00e7\u00e3o | Transmissor de Temperatura NCS-TT105 HART, FF H1, PROFIBUS PA"},"content":{"rendered":"

O Transmissor de temperatura NCS-TT105<\/strong><\/a> \u00e9 um dispositivo inteligente de alto desempenho projetado para automa\u00e7\u00e3o industrial, suportando HART 7<\/strong>, FOUNDATION Fieldbus H1<\/strong>, e PROFIBUS PA<\/strong> protocolos. Este transmissor de canal duplo \u00e9 projetado para medi\u00e7\u00f5es precisas de RTD e termopar em ambientes exigentes, como as ind\u00fastrias de petr\u00f3leo e qu\u00edmica.<\/p>\n

\"Transmissores<\/a><\/p>\n

Especifica\u00e7\u00f5es T\u00e9cnicas Principais<\/h2>\n
    \n
  • Protocolos:<\/strong> HART 7, FOUNDATION Fieldbus H1 (certificado ITK 6), PROFIBUS PA.<\/li>\n
  • Tipos de Entrada:<\/strong> Suporta diversos RTDs (ex: Pt100) e Termopares (Tipos E, K, B, etc.).<\/li>\n
  • Canais:<\/strong> Capacidade de canal duplo para medi\u00e7\u00e3o de temperatura diferencial ou m\u00e9dia.<\/li>\n
  • Classifica\u00e7\u00f5es de Seguran\u00e7a:<\/strong> Dispon\u00edvel em Ex d (\u00e0 prova de explos\u00e3o)<\/strong> e Ex ia (\u00e0 Prova de Explos\u00e3o intrinsecamente segura)<\/strong> vers\u00f5es.<\/li>\n<\/ul>\n

    Recursos Avan\u00e7ados de Medi\u00e7\u00e3o<\/h2>\n

    O NCS-TT105 oferece modos de medi\u00e7\u00e3o especializados para aprimorar a precis\u00e3o do processo:<\/p>\n

      \n
    • Temperatura Diferencial:<\/strong> Defina SENSOR_MEAS_TYPE para \u2018Diferencial\u2019 para exibir a diferen\u00e7a entre dois sensores (PV = SV1 \u2013 SV2), ideal para monitoramento de trocadores de calor.<\/li>\n
    • Compensa\u00e7\u00e3o de Jun\u00e7\u00e3o Fria de Precis\u00e3o:<\/strong> Para aplica\u00e7\u00f5es de termopar de alta precis\u00e3o, um RTD Pt100 no Canal 2 pode servir como refer\u00eancia de jun\u00e7\u00e3o fria para o Canal 1.<\/li>\n
    • Precis\u00e3o Otimizada<\/strong> Termopares do tipo E fornecem a maior precis\u00e3o (\u00b10,20\u00b0C a 25\u00b0C) para necessidades criog\u00eanicas ou aplica\u00e7\u00f5es especializadas de alta sa\u00edda.<\/li>\n<\/ul>\n

      Prote\u00e7\u00e3o \u00e0 Prova de Explos\u00e3o: Ex d vs. Ex ia<\/h2>\n

      Dependendo da sua zona de instala\u00e7\u00e3o, o NCS-TT105 oferece dois m\u00e9todos de prote\u00e7\u00e3o prim\u00e1rios:<\/p>\n

        \n
      • Ex d (\u00c0 prova de explos\u00e3o):<\/strong> Utiliza um inv\u00f3lucro refor\u00e7ado (Ex db IIC T5\/T6 Gb) para conter igni\u00e7\u00f5es internas. Ideal para \u00e1reas da Zona 1 que exigem prensa-cabos certificados.<\/li>\n
      • Ex ia (Seguro Intr\u00ednseco):<\/strong> Limita a energia do circuito (Ex ia [ia Ga] IIC T4\/T6 Ga) para prevenir igni\u00e7\u00e3o totalmente. Adequado para Zona 0\/1 e permite manuten\u00e7\u00e3o com o equipamento energizado com uma barreira de seguran\u00e7a certificada.<\/li>\n<\/ul>\n
        \n

        Perguntas Frequentes (FAQ)<\/h2>\n
        \n

        Qual \u00e9 a diferen\u00e7a entre as prote\u00e7\u00f5es Ex d e Ex ia no NCS-TT105?<\/h3>\n

        Ex d utiliza um inv\u00f3lucro refor\u00e7ado para conter igni\u00e7\u00f5es internas, adequado para a Zona 1. Ex ia limita a energia do circuito para evitar igni\u00e7\u00f5es, tornando-o adequado para a Zona 0\/1 e permitindo manuten\u00e7\u00e3o com o equipamento energizado com uma barreira de seguran\u00e7a.<\/p>\n<\/section>\n

        \n

        O NCS-TT105 pode medir temperatura diferencial?<\/h3>\n

        Sim. No modo dual-channel, o dispositivo pode emitir a diferen\u00e7a entre dois sensores (PV = SV1 \u2013 SV2), que \u00e9 comumente usada para medi\u00e7\u00e3o de delta-T em trocadores de calor.<\/p>\n<\/section>\n

        \n

        O comprimento m\u00e1ximo do cabo para FOUNDATION Fieldbus H1 \u00e9 de 1.200 metros (3.937 p\u00e9s) em um \u00fanico segmento, com redu\u00e7\u00e3o da dist\u00e2ncia com mais dispositivos no segmento.<\/h3>\n

        O comprimento m\u00e1ximo do segmento \u00e9 de 1.900 metros. Isso pode ser estendido at\u00e9 10 km usando repetidores.<\/p>\n<\/section>\n

        \n

        Qual tipo de termopar oferece a melhor precis\u00e3o?<\/h3>\n

        O termopar Tipo E oferece a melhor precis\u00e3o com \u00b10,20\u00b0C (a 25\u00b0C), seguido pelo Tipo K para uso geral em altas temperaturas.<\/p>\n<\/section>\n

        \n

        Qual \u00e9 a tens\u00e3o de alimenta\u00e7\u00e3o necess\u00e1ria para o HART 7?<\/h3>\n

        A variante HART exige uma tens\u00e3o de alimenta\u00e7\u00e3o de 11,5 a 45 VCC e uma resist\u00eancia de malha de 230-550 \u03a9 para comunica\u00e7\u00e3o.<\/p>\n<\/section>\n

        \n

        Posso usar um RTD como refer\u00eancia de jun\u00e7\u00e3o fria?<\/h3>\n

        Sim. Um Pt100 conectado ao Canal 2 pode ser configurado como a refer\u00eancia de jun\u00e7\u00e3o fria para um termopar no Canal 1 para melhorar a precis\u00e3o al\u00e9m do sensor interno.<\/p>\n<\/section>","protected":false},"excerpt":{"rendered":"

        O transmissor de temperatura NCS-TT105 \u00e9 um dispositivo inteligente de alto desempenho projetado para automa\u00e7\u00e3o industrial, compat\u00edvel com os protocolos HART 7, FOUNDATION Fieldbus H1 e PROFIBUS PA. Este transmissor de canal duplo foi projetado para medi\u00e7\u00f5es precisas de RTD e termopar em ambientes exigentes, como as ind\u00fastrias de petr\u00f3leo e qu\u00edmica. Especifica\u00e7\u00f5es T\u00e9cnicas Principais Protocolos: HART 7, FOUNDATION Fieldbus H1 (certificado ITK 6), [\u2026]<\/p>","protected":false},"author":30,"featured_media":8714,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"page_builder":"","footnotes":""},"categories":[37,38],"tags":[],"class_list":["post-8711","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news-and-events","category-products-and-services"],"acf":[],"yoast_head":"\nNCS-TT105 Temperature Transmitter | HART, FF H1, PROFIBUS PA Selection Guide<\/title>\n<meta name=\"description\" content=\"Smart temperature transmitter for RTD & thermocouple inputs. Supports HART 7, FF H1, PROFIBUS PA. Dual-channel, Ex d\/Ex ia rated. 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Pesquisador anterior no Instituto de Automa\u00e7\u00e3o de Shenyang, Academia Chinesa de Ci\u00eancias. Especializado em design de modem HART, desenvolvimento de interface Foundation Fieldbus e integra\u00e7\u00e3o de redes industriais. 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