{"product_id":"bently-nevada-3300-45-dual-differential-expansion-monitor","title":"Monitor de Expansão Diferencial Duplo Bently Nevada 3300\/45","description":"\u003cp\u003eO\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eMonitor de Expansão Diferencial de Canal Duplo Bently Nevada 3300\/45\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eé um monitor de canal duplo projetado para o legado\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eSistema de Monitoramento Bently Nevada 3300\u003c\/strong\u003e.\u003cbr\u003eÉ especificamente projetado para medir\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eExpansão Diferencial\u003c\/strong\u003e, definida como o movimento axial relativo entre o eixo da turbina e a carcaça.\u003c\/p\u003e\n\u003cp\u003eEste parâmetro é crítico para grandes turbinas a vapor durante a partida e parada, onde as taxas de expansão térmica diferem entre componentes rotativos e estacionários. O monitoramento preciso ajuda a evitar contato entre rotor e carcaça, estresse mecânico e possíveis danos à turbina.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003eEspecificações Técnicas\u003c\/h2\u003e\n\u003ch3\u003e1. Entrada \u0026amp; Processamento de Sinal\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eEntrada do transdutor\u003c\/strong\u003e\u003cbr\u003eAceita sinais de sondas de proximidade sem contato, incluindo:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eSistema Proximitor de 8 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSistema Proximitor de 11 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSistema Proximitor de 25 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSistema Proximitor de 50 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eModos de Medição\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eO monitor suporta múltiplos métodos de configuração dependendo do design mecânico:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eComposto Único Padrão\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eUsa uma sonda para medir uma gola ou superfície inclinada\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eComum em designs compactos de turbinas\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eDuplo Complementar\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eUsa duas sondas para aumentar a linearidade da medição\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFornece redundância para sistemas críticos de proteção\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePrecisão\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e±0,33% da faixa total (típico)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTemperatura de referência:\u003cbr\u003e\u003cstrong\u003e+25°C (+77°F)\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e2. Saídas\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eSaídas para gravador\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eFormatos de sinal programáveis pelo usuário:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e+4 a +20 mA\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e0 a -10 Vcc\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e+1 a +5 Vcc\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSaídas com buffer\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003ePainel frontal: Conectores coaxiais\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePainel traseiro: Conexões em bloco de terminais\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eUma saída por canal\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eImpedância de saída\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e100 Ω\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e3. Alarmes \u0026amp; Display\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eDisplay\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eIndicadores LCD de barra vertical dupla\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eVisualização em tempo real da expansão diferencial\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePontos de ajuste do alarme\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eConfiguração de alarme bidirecional:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eAlarme de Alerta\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAlarme de Perigo\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLimiares ajustáveis digitalmente\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eIndicador OK\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eO LED OK monitora o status de saúde de:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eEletrônica do monitor\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTransdutores conectados\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIntegridade da fiação de campo\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003eInformações para Pedido\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eFormato do Pedido\u003c\/strong\u003e\u003c\/p\u003e\n\u003cpre class=\"overflow-visible! px-0!\"\u003e3300\/45-AXX-BXX-CXX-DXX-EXX\u003cbr\u003e\u003c\/pre\u003e\n\u003ch3\u003eA — Opção de Faixa Total\u003c\/h3\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth class=\"\"\u003eCódigo\u003c\/th\u003e\n\u003cth class=\"\"\u003eFaixa de Medição\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e01\u003c\/td\u003e\n\u003ctd\u003e0,1-0-0,1 polegadas\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e02\u003c\/td\u003e\n\u003ctd\u003e0,2-0-0,2 polegadas\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e03\u003c\/td\u003e\n\u003ctd\u003e0,3-0-0,3 polegadas\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e04\u003c\/td\u003e\n\u003ctd\u003e0,4-0-0-0,4 polegadas\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e11\u003c\/td\u003e\n\u003ctd\u003e2,0-0-2,0 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e12\u003c\/td\u003e\n\u003ctd\u003e4,0-0-4,0 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e13\u003c\/td\u003e\n\u003ctd\u003e8,0-0-8,0 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e14\u003c\/td\u003e\n\u003ctd\u003e10-0-10 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch3\u003eB — Opção de Entrada do Transdutor\u003c\/h3\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth class=\"\"\u003eCódigo\u003c\/th\u003e\n\u003cth class=\"\"\u003eSistema Proximitor compatível\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e01\u003c\/td\u003e\n\u003ctd\u003e8 mm ou 11 mm (200 ou 100 mV\/mil)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e02\u003c\/td\u003e\n\u003ctd\u003e25 mm (50 mV\/mil)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e03\u003c\/td\u003e\n\u003ctd\u003e50 mm (25 mV\/mil)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e04\u003c\/td\u003e\n\u003ctd\u003e7200 14 mm (100 mV\/mil)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch3\u003eC — Opção de Relé de Alarme\u003c\/h3\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth class=\"\"\u003eCódigo\u003c\/th\u003e\n\u003cth class=\"\"\u003eDescrição\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e00\u003c\/td\u003e\n\u003ctd\u003eSem relés\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e01\u003c\/td\u003e\n\u003ctd\u003eRelé selado com epóxi\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e02\u003c\/td\u003e\n\u003ctd\u003eRelé hermeticamente selado\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e03\u003c\/td\u003e\n\u003ctd\u003eRelé quádruplo (apenas selado com epóxi)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch3\u003eD — Opção de Aprovação de Agência\u003c\/h3\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth class=\"\"\u003eCódigo\u003c\/th\u003e\n\u003cth class=\"\"\u003eCertificação\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e00\u003c\/td\u003e\n\u003ctd\u003eNão requerido\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e01\u003c\/td\u003e\n\u003ctd\u003eCSA \/ NRTL \/ C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e02\u003c\/td\u003e\n\u003ctd\u003eAutocertificação ATEX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch3\u003eE — Opção de Barreira de Segurança\u003c\/h3\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth class=\"\"\u003eCódigo\u003c\/th\u003e\n\u003cth class=\"\"\u003eDescrição\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e00\u003c\/td\u003e\n\u003ctd\u003eNenhum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e01\u003c\/td\u003e\n\u003ctd\u003eBarreira externa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e02\u003c\/td\u003e\n\u003ctd\u003eBarreira interna\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch2\u003eGuia de Engenharia e Instalação\u003c\/h2\u003e\n\u003ch3\u003eConfiguração do colar cônico\u003c\/h3\u003e\n\u003cp\u003eQuando uma única sonda é instalada em um colar cônico:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eO ângulo do colar deve ser configurado com precisão no monitor\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIsso garante a conversão linear correta do deslocamento para expansão\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eConfiguração incorreta do ângulo afetará diretamente a precisão da medição.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eReferência zero frio vs. quente\u003c\/h3\u003e\n\u003cp\u003eO monitoramento da expansão diferencial segue um método padrão de linha de base:\u003c\/p\u003e\n\u003cp\u003eCondição fria:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eO sistema é zerado durante a partida da máquina\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTemperaturas do eixo e da carcaça estão estáveis\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCondição quente:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eO monitor acompanha a expansão conforme ocorre o crescimento térmico\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eO deslocamento em tempo real é calculado em relação à referência fria\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eEste método é prática padrão para sistemas de proteção de turbinas a vapor.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eEstratégia de votação por relé (Recomendada para turbinas críticas)\u003c\/h3\u003e\n\u003cp\u003ePara sistemas de proteção de alta integridade:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLógica de votação E (2 de 2)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eé recomendada.\u003c\/p\u003e\n\u003cp\u003eEsta configuração garante:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eA falha de uma única sonda não acionará uma parada falsa\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAmbos os canais devem confirmar uma condição de alarme\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eEsta abordagem é amplamente utilizada em arquiteturas de proteção de turbinas.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eConsiderações sobre linearidade da sonda\u003c\/h3\u003e\n\u003cp\u003eSondas de proximidade de grande alcance requerem configuração mecânica precisa.\u003c\/p\u003e\n\u003cp\u003eDiferenças importantes:\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSondas de 25 mm e 50 mm\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eTer uma faixa de medição mais ampla\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eExigir configurações específicas de espaçamento inicial\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eExibir diferentes regiões lineares em comparação com sondas padrão de 8 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eEspaçamento inadequado da sonda pode resultar em:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003ePrecisão de medição reduzida\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eResposta de saída não linear\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCondições de alarme falso\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":52666852999531,"sku":"3300\/45","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/bently-nevada-3300-45-dual-differential-expansion-monitor-qopi2y5bigd_db33166e-83e4-4748-8b37-e0fd75bd5170.jpg?v=1765449102","url":"https:\/\/www.plcprotech.com\/pt\/products\/bently-nevada-3300-45-dual-differential-expansion-monitor","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}