{"id":14250,"date":"2024-08-25T14:59:00","date_gmt":"2024-08-25T06:59:00","guid":{"rendered":"https:\/\/lorentzzi.com\/?p=14250"},"modified":"2025-07-07T10:22:43","modified_gmt":"2025-07-07T02:22:43","slug":"wet-vs-dry-contacts-in-temperature-controller-what-are-the-differences","status":"publish","type":"post","link":"https:\/\/lorentzzi.com\/es\/wet-vs-dry-contacts-in-temperature-controller-what-are-the-differences\/","title":{"rendered":"Contactos H\u00famedos y Secos en el Controlador de Temperatura: \u00bfCu\u00e1les son las diferencias?"},"content":{"rendered":"
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En el campo de la automatizaci\u00f3n industrial y el confort dom\u00e9stico, controladores de temperatura<\/a><\/span> desempe\u00f1an un papel insustituible en el mantenimiento de la temperatura deseada. En realidad, el principio de funcionamiento de este regulador es muy sencillo: compara la temperatura real actual con la temperatura objetivo fijada y, a continuaci\u00f3n, activa o desactiva autom\u00e1ticamente la potencia de los equipos de calefacci\u00f3n o refrigeraci\u00f3n hasta que ambas alcanzan el mismo nivel. En este proceso, el papel de los contactos es indispensable. Este art\u00edculo profundizar\u00e1 en la diferencia entre contactos secos y contactos h\u00famedos en los controladores de temperatura industriales y sus aplicaciones espec\u00edficas.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\"Contactos\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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\u00bfQu\u00e9 es el contacto seco?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Un contacto seco es un interruptor pasivo con dos estados: <\/span>cerrado y abierto<\/b>. No hay polaridad entre los dos contactos y pueden intercambiarse. Entre las se\u00f1ales de contacto seco m\u00e1s comunes se incluyen varios interruptores, como salidas de finales de carrera, pulsadores, rel\u00e9s electromagn\u00e9ticos, interruptores de l\u00e1minas y contactores de CA, etc.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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En los controladores de temperatura pid industriales, los contactos secos suelen denominarse rel\u00e9s, que no pueden suministrar tensi\u00f3n ni corriente a cargas externas. Si se desea hacer funcionar el calentador, debe conectarse una fuente de alimentaci\u00f3n externa a los contactos de rel\u00e9.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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\u00bfQu\u00e9 es el contacto h\u00famedo?<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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El contacto h\u00famedo es un interruptor activo con dos estados:<\/span> con y sin alimentaci\u00f3n<\/b>. Existe polaridad entre los dos contactos y no pueden invertirse. Las formas comunes de contactos h\u00famedos incluyen se\u00f1ales de contacto seco conectadas a la fuente de alimentaci\u00f3n, salida de nivel TTL, salida de colector y VCC de transistores NPN, PNP, salida de colector y VCC de <\/span>Transistor Darlington<\/span><\/a><\/span>y la salida de los sensores de proximidad.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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En el controlador de temperatura pid, la salida SSR es un contacto h\u00famedo, que puede suministrar energ\u00eda directamente a los componentes de control del rel\u00e9 de estado s\u00f3lido. Generalmente, el contacto h\u00famedo es una fuente de alimentaci\u00f3n de 12VDC 20mA, y el contacto h\u00famedo no requiere fuente de alimentaci\u00f3n externa.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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Diferencias clave entre lentes de contacto secas y h\u00famedas<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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\n\t\t\t\t\t\t\t\t\t\t\t\t\t\tArt\u00edculo<\/span><\/th>\n\t\t\t \t\t\t\t \n\t\t\t\t\t\t\t\t\t\t\t\t\t\tContactos secos<\/span><\/th>\n\t\t\t \t\t\t\t \n\t\t\t\t\t\t\t\t\t\t\t\t\t\tContactos h\u00famedos<\/span><\/th>\n\t\t\t \t\t\t\t <\/tr>\n\t\t\t <\/thead>\n\t\t\t \t
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\n\t\t\t\t\t\t\t\t\t\t\t\t\tDefinici\u00f3n\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t \t\t\t\t\t\t\t\t\t\t\t
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\n\t\t\t\t\t\t\t\t\t\t\t\t\tInterruptor pasivo con dos estados: cerrado y abierto\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t \t\t\t\t\t\t\t\t\t\t\t
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\n\t\t\t\t\t\t\t\t\t\t\t\t\tInterruptor activo, con dos estados: encendido y apagado\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t \t\t\t\t\t\t
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\n\t\t\t\t\t\t\t\t\t\t\t\t\tPolaridad\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t \t\t\t\t\t\t\t\t\t\t\t
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\n\t\t\t\t\t\t\t\t\t\t\t\t\tSin polaridad, contactos intercambiables\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t \t\t\t\t\t\t\t\t\t\t\t
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\n\t\t\t\t\t\t\t\t\t\t\t\t\tPolaridad, contactos no intercambiables\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t \t\t\t\t\t\t
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\n\t\t\t\t\t\t\t\t\t\t\t\t\tSe\u00f1ales comunes\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t \t\t\t\t\t\t\t\t\t\t\t
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\n\t\t\t\t\t\t\t\t\t\t\t\t\tFinal de carrera, interruptor de recorrido, interruptor de pedal, interruptor giratorio, interruptor de temperatura, interruptor de nivel de l\u00edquido, etc.; pulsador; salida de sensor; salida de rel\u00e9, interruptor de l\u00e1minas\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t \t\t\t\t\t\t\t\t\t\t\t
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\n\t\t\t\t\t\t\t\t\t\t\t\t\tSe\u00f1al de contacto seco conectada a la fuente de alimentaci\u00f3n; salida de nivel TTL; salida de colector de transistor NPN y VCC; salida de colector de tubo Darlington y VCC; salida de sensor de reflexi\u00f3n infrarroja y sensor pasante\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t \t\t\t\t\t\t
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\n\t\t\t\t\t\t\t\t\t\t\t\t\tRango de tensi\u00f3n\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t \t\t\t\t\t\t\t\t\t\t\t
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\n\t\t\t\t\t\t\t\t\t\t\t\t\tSin requisitos de tensi\u00f3n\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t \t\t\t\t\t\t\t\t\t\t\t
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\n\t\t\t\t\t\t\t\t\t\t\t\t\tEl control industrial suele utilizar DC0~30V, el est\u00e1ndar es DC24V; la salida AC110~220V tambi\u00e9n puede ser de contacto h\u00famedo\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t \t\t\t\t\t\t
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\n\t\t\t\t\t\t\t\t\t\t\t\t\tVentajas\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t \t\t\t\t\t\t\t\t\t\t\t
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\n\t\t\t\t\t\t\t\t\t\t\t\t\tCapaz de transportar corrientes m\u00e1s altas; adecuado para dispositivos de alta potencia.\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t \t\t\t\t\t\t\t\t\t\t\t
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\n\t\t\t\t\t\t\t\t\t\t\t\t\tM\u00e1s adecuado para cargas peque\u00f1as de CC, si los contactos secos est\u00e1n conectados a la alimentaci\u00f3n, puede funcionar tambi\u00e9n con cargas de alta potencia.\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t \t\t\t\t\t\t
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\n\t\t\t\t\t\t\t\t\t\t\t\t\tSeguridad\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t \t\t\t\t\t\t\t\t\t\t\t
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\n\t\t\t\t\t\t\t\t\t\t\t\t\tAl no transportar tensi\u00f3n ni corriente, la interfaz es muy segura y adecuada para conectar componentes sensibles.\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t \t\t\t\t\t\t\t\t\t\t\t
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\n\t\t\t\t\t\t\t\t\t\t\t\t\tPreste atenci\u00f3n a la polaridad, una conexi\u00f3n incorrecta puede da\u00f1ar el aparato\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t \t\t\t\t\t\t
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\n\t\t\t\t\t\t\t\t\t\t\t\t\tFunci\u00f3n\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t \t\t\t\t\t\t\t\t\t\t\t
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\n\t\t\t\t\t\t\t\t\t\t\t\t\tSe utiliza para transmitir se\u00f1ales o controlar circuitos externos y no alimenta directamente la carga.\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t \t\t\t\t\t\t\t\t\t\t\t
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\n\t\t\t\t\t\t\t\t\t\t\t\t\tSuministra energ\u00eda directamente a la carga y, cuando se cierra, completa el circuito y permite el paso de la corriente.\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t \t\t\t <\/tbody>\n\t\t\t<\/table>\n\t\t<\/div>\n\t \t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Aplicaciones en sistemas de control de temperatura<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Los contactos secos son salidas de rel\u00e9 en los controladores de temperatura pid anteriores, y no pueden alimentar directamente calentadores u otros dispositivos intermedios. Por lo tanto, si s\u00f3lo dispone de rel\u00e9s intermedios o contactores de CA, intente utilizar estos contactos secos (salidas de rel\u00e9). El diagrama de cableado es el siguiente, por ejemplo:<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\"Diagrama\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Los contactos h\u00famedos, denominados principalmente salidas SSR en los controladores de temperatura pid, son salidas que pueden alimentar dispositivos externos. Los contactos h\u00famedos se utilizan principalmente para controlar CA rel\u00e9s de estado s\u00f3lido<\/a><\/span> controlados por CC en sistemas de control de temperatura. El diagrama de cableado t\u00edpico suele ser el siguiente:<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\"Diagrama\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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Conclusi\u00f3n<\/h2>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t
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En resumen, los contactos secos no pueden alimentar directamente la carga, mientras que los contactos h\u00famedos s\u00ed. Otra diferencia importante es que si los dos contactos alimentan directamente la carga, el contacto seco puede alimentar una carga grande, mientras que el contacto h\u00famedo s\u00f3lo puede alimentar una carga peque\u00f1a. En cuanto a los dos contactos del termostato PID, el contacto seco representa la salida del rel\u00e9 y el contacto h\u00famedo es la salida del rel\u00e9 de estado s\u00f3lido.<\/span><\/p>

Nuestra nuevo controlador de temperatura pid TCN4<\/a><\/span> tiene dos contactos - contacto seco (salida de rel\u00e9) y contacto h\u00famedo (accionamiento SSR), lo que lo hace muy adecuado para muchas aplicaciones sin restricciones, y puede conmutar f\u00e1cilmente la salida pulsando un bot\u00f3n. Haga clic en el bot\u00f3n de abajo para ver m\u00e1s detalles de nuestros controladores de temperatura con salidas SSR+rel\u00e9.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t

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\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\n\t\t\t\t\t\t\t\"Controlador\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<\/div>","protected":false},"excerpt":{"rendered":"

In the field of industrial automation and home comfort, temperature controllers play an irreplaceable role in maintaining the desired temperature. The working principle of this controller is actually very simple: it compares the current actual temperature with the target temperature you set, and then automatically turns on or off the power of heating or cooling […]<\/p>\n","protected":false},"author":1,"featured_media":14258,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"disabled","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"class_list":["post-14250","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-temperature-controller"],"yoast_head":"\nWet Vs. 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