{"id":14757,"date":"2026-11-12T11:30:52","date_gmt":"2026-11-12T10:30:52","guid":{"rendered":"https:\/\/guemisa.es\/productos\/sensor-presion-atmosferica-bar-qnh\/"},"modified":"2026-11-12T11:30:52","modified_gmt":"2026-11-12T10:30:52","slug":"atmospheric-pressure-sensor-bar-qnh","status":"publish","type":"productos","link":"https:\/\/guemisa.es\/en\/productos\/sensor-presion-atmosferica-bar-qnh\/","title":{"rendered":"Atmospheric pressure sensor at sea level BAR-QNH"},"template":"","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":"","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":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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presi\u00f3n atmosf\u00e9rica a nivel del mar BAR-QNH\", \"sku\": \"BAR-QNH\", \"mpn\": \"BAR-QNH\", \"image\": \"https:\/\/guemisa.es\/wp-content\/uploads\/2026\/11\/nesa-barometro-aeropuertos-bar-qnh.webp\", \"description\": \"Sensor de presi\u00f3n atmosf\u00e9rica a nivel del mar BAR-QNH de NESA: 500\u00f71100 hPa, 0,4 hPa @ 20\u00b0C, c\u00e1lculo autom\u00e1tico del QNH, salida digital RS485 y contenedor IP65.\", \"brand\": {\"@type\": \"Brand\", \"name\": \"NESA\"}, \"manufacturer\": {\"@type\": \"Organization\", \"name\": \"NESA\"}, \"category\": \"Sensores de Presi\u00f3n Barom\u00e9trica\", \"additionalProperty\": [{\"@type\": \"PropertyValue\", \"name\": \"Magnitud medida\", \"value\": \"Presi\u00f3n atmosf\u00e9rica a nivel del mar\"}, {\"@type\": \"PropertyValue\", \"name\": \"Campo de medida t\u00edpico\", \"value\": \"500\u00f71100 hPa\"}, {\"@type\": \"PropertyValue\", \"name\": \"Sensibilidad\", \"value\": \"0,05 hPa\"}, {\"@type\": \"PropertyValue\", \"name\": \"Precisi\u00f3n\", \"value\": \"0,4 hPa @ 20\u00b0C\"}, {\"@type\": \"PropertyValue\", \"name\": \"Tiempo de respuesta\", \"value\": \"< 2 s\"}, {\"@type\": \"PropertyValue\", \"name\": \"Tipo de transductor\", \"value\": \"Piezorresistivo\"}, {\"@type\": \"PropertyValue\", \"name\": \"Principio de medida\", \"value\": \"Transductor de puente piezorresistivo\"}, {\"@type\": \"PropertyValue\", \"name\": \"C\u00e1lculo del QNH\", \"value\": \"Autom\u00e1tico, con circuito interno\"}, {\"@type\": \"PropertyValue\", \"name\": \"Calibraci\u00f3n\", \"value\": \"Cada sensor se calibra y verifica por comparaci\u00f3n con un instrumento patr\u00f3n certificado de clase WMO \u00abPrimary standard\u00bb\"}, {\"@type\": \"PropertyValue\", \"name\": \"Certificado de calibraci\u00f3n\", \"value\": \"Se suministra con el sensor\"}, {\"@type\": \"PropertyValue\", \"name\": \"Conformidad normativa\", \"value\": \"CE\"}, {\"@type\": \"PropertyValue\", \"name\": \"Normas\", \"value\": \"WMO\"}, {\"@type\": \"PropertyValue\", \"name\": \"Se\u00f1al de salida est\u00e1ndar\", \"value\": \"Digital RS485\"}, {\"@type\": \"PropertyValue\", \"name\": \"Interfaz\", \"value\": \"RS485\/USB, para la programaci\u00f3n en campo de la altura sobre el nivel del mar\"}, {\"@type\": \"PropertyValue\", \"name\": \"Alimentaci\u00f3n\", \"value\": \"10\u00f730Vdc\"}, {\"@type\": \"PropertyValue\", \"name\": \"Consumo\", \"value\": \"<0,12W\"}, {\"@type\": \"PropertyValue\", \"name\": \"Consumo de corriente\", \"value\": \"<2mA\"}, {\"@type\": \"PropertyValue\", \"name\": \"Protecciones\", \"value\": \"Inversi\u00f3n de polaridad y transitorios\"}, {\"@type\": \"PropertyValue\", \"name\": \"Condiciones de funcionamiento\", \"value\": \"-40 \u00f7 +60\u00b0C\"}, {\"@type\": \"PropertyValue\", \"name\": \"Contenedor\", \"value\": \"Pl\u00e1stico IP65\"}, {\"@type\": \"PropertyValue\", \"name\": \"Peso\", \"value\": \"295g\"}], \"alternateName\": [\"BAR-QNH\", \"NESA BAR-QNH\", \"Sensor de presi\u00f3n atmosf\u00e9rica a nivel del mar BAR-QNH\"]}]}","subtitulo":"500\u00f71100 hPa | C\u00e1lculo autom\u00e1tico del QNH | 0,4 hPa @ 20\u00b0C | Puente piezorresistivo | Digital RS485 | 10\u00f730Vdc | Contenedor pl\u00e1stico IP65","descripcion_del_producto":"<p>El NESA BAR-QNH es un bar\u00f3metro electr\u00f3nico con circuito interno para el c\u00e1lculo autom\u00e1tico del QNH, par\u00e1metro fundamental en \u00e1mbito aeroportuario. Campo de medida t\u00edpico 500\u00f71100 hPa, sensibilidad 0,05 hPa y precisi\u00f3n 0,4 hPa @ 20\u00b0C, con transductor de puente piezorresistivo.<\/p><p>Salida digital RS485 y alimentaci\u00f3n 10\u00f730Vdc, consumo <0,12W. Contenedor pl\u00e1stico IP65, conforme a los est\u00e1ndares WMO y a las normas CE. Aplicaciones t\u00edpicas: estaciones AWOS, meteorolog\u00eda aeroportuaria, aviaci\u00f3n en general y navegaci\u00f3n.<\/p><h3>Puntos clave<\/h3><ul><li>Campo de medida t\u00edpico 500\u00f71100 hPa; sensibilidad 0,05 hPa; precisi\u00f3n 0,4 hPa @ 20\u00b0C; tiempo de respuesta < 2 s<\/li><li>Transductor de puente piezorresistivo; c\u00e1lculo autom\u00e1tico del QNH<\/li><li>Se\u00f1al de salida est\u00e1ndar digital RS485; interfaz RS485\/USB para la programaci\u00f3n en campo de la altura sobre el nivel del mar<\/li><li>Alimentaci\u00f3n 10\u00f730Vdc; consumo <0,12W; protecciones contra inversi\u00f3n de polaridad y transitorios<\/li><li>-40 \u00f7 +60\u00b0C; contenedor pl\u00e1stico IP65; 295g<\/li><li>Calibrado y verificado por comparaci\u00f3n con un instrumento patr\u00f3n certificado de clase WMO \u00abPrimary standard\u00bb, con certificado de calibraci\u00f3n<\/li><\/ul><div class=\"product-faqs\"><h3 style=\"color: #0F75BE; border-bottom: 3px solid #0F75BE; padding-bottom: 10px; margin-bottom: 20px;\">Preguntas Frecuentes T\u00e9cnicas<\/h3><p><strong style=\"color: #0F75BE;\">\u00bfQu\u00e9 mide el BAR-QNH?<\/strong><\/p><p>La presi\u00f3n atmosf\u00e9rica a nivel del mar, de 500 a 1100 hPa, con sensibilidad 0,05 hPa y precisi\u00f3n 0,4 hPa @ 20\u00b0C. Calcula autom\u00e1ticamente el QNH.<\/p><p><strong style=\"color: #0F75BE;\">\u00bfQu\u00e9 salida tiene?<\/strong><\/p><p>Se\u00f1al de salida est\u00e1ndar digital RS485. Dispone adem\u00e1s de una interfaz RS485\/USB para la programaci\u00f3n en campo de la altura sobre el nivel del mar.<\/p><p><strong style=\"color: #0F75BE;\">\u00bfC\u00f3mo se calibra?<\/strong><\/p><p>Cada sensor se calibra y verifica por comparaci\u00f3n con un instrumento patr\u00f3n certificado de clase WMO \u00abPrimary standard\u00bb, y se suministra con certificado de calibraci\u00f3n.<\/p><p><strong style=\"color: #0F75BE;\">\u00bfPara qu\u00e9 aplicaciones se usa?<\/strong><\/p><p>Estaciones AWOS, meteorolog\u00eda aeroportuaria, aviaci\u00f3n en general y navegaci\u00f3n.<\/p><p><strong style=\"color: #0F75BE;\">\u00bfC\u00f3mo se pide?<\/strong><\/p><p>Sensor BAR-QNH y accesorios: cable sensor-datalogger (05, 10 o xx, longitud en metros a especificar) y soporte de sensores (SS1, SS2 o SS3). Ejemplo del fabricante: BAR-QNH 10 SS2.<\/p><\/div>","propiedades":"<table class=\"tecnica-table gm-es-tabla gm-nesa-bar\"><thead><tr style=\"background-color: #0F75BE; color: white;\"><th>Caracter\u00edstica<\/th><th>Especificaci\u00f3n<\/th><\/tr><\/thead><tbody><tr class=\"gm-es-grupo\" style=\"background-color: #e6edf5;\"><td colspan=\"2\">Medida y principio de funcionamiento<\/td><\/tr><tr style=\"background-color: #ffffff;\"><td>Magnitud medida<\/td><td>Presi\u00f3n atmosf\u00e9rica a nivel del mar<\/td><\/tr><tr style=\"background-color: #f9f9f9;\"><td>Campo de medida t\u00edpico<\/td><td>500\u00f71100 hPa<\/td><\/tr><tr style=\"background-color: #ffffff;\"><td>Sensibilidad<\/td><td>0,05 hPa<\/td><\/tr><tr style=\"background-color: #f9f9f9;\"><td>Precisi\u00f3n<\/td><td>0,4 hPa @ 20\u00b0C<\/td><\/tr><tr style=\"background-color: #ffffff;\"><td>Tiempo de respuesta<\/td><td>< 2 s<\/td><\/tr><tr style=\"background-color: #f9f9f9;\"><td>Tipo de transductor<\/td><td>Piezorresistivo<\/td><\/tr><tr style=\"background-color: #ffffff;\"><td>Principio de medida<\/td><td>Transductor de puente piezorresistivo<\/td><\/tr><tr style=\"background-color: #f9f9f9;\"><td>C\u00e1lculo del QNH<\/td><td>Autom\u00e1tico, con circuito interno<\/td><\/tr><tr style=\"background-color: #ffffff;\"><td>Calibraci\u00f3n<\/td><td>Cada sensor se calibra y verifica por comparaci\u00f3n con un instrumento patr\u00f3n certificado de clase WMO \u00abPrimary standard\u00bb<\/td><\/tr><tr style=\"background-color: #f9f9f9;\"><td>Certificado de calibraci\u00f3n<\/td><td>Se suministra con el sensor<\/td><\/tr><tr style=\"background-color: #ffffff;\"><td>Conformidad normativa<\/td><td>CE<\/td><\/tr><tr style=\"background-color: #f9f9f9;\"><td>Normas<\/td><td>WMO<\/td><\/tr><tr class=\"gm-es-grupo\" style=\"background-color: #e6edf5;\"><td colspan=\"2\">Se\u00f1ales de salida<\/td><\/tr><tr style=\"background-color: #ffffff;\"><td>Se\u00f1al de salida est\u00e1ndar<\/td><td>Digital RS485<\/td><\/tr><tr style=\"background-color: #f9f9f9;\"><td>Interfaz<\/td><td>RS485\/USB, para la programaci\u00f3n en campo de la altura sobre el nivel del mar<\/td><\/tr><tr class=\"gm-es-grupo\" style=\"background-color: #e6edf5;\"><td colspan=\"2\">Alimentaci\u00f3n, entorno y datos mec\u00e1nicos<\/td><\/tr><tr style=\"background-color: #ffffff;\"><td>Alimentaci\u00f3n<\/td><td>10\u00f730Vdc<\/td><\/tr><tr style=\"background-color: #f9f9f9;\"><td>Consumo<\/td><td><0,12W<\/td><\/tr><tr style=\"background-color: #ffffff;\"><td>Consumo de corriente<\/td><td><2mA<\/td><\/tr><tr style=\"background-color: #f9f9f9;\"><td>Protecciones<\/td><td>Inversi\u00f3n de polaridad y transitorios<\/td><\/tr><tr style=\"background-color: #ffffff;\"><td>Condiciones de funcionamiento<\/td><td>-40 \u00f7 +60\u00b0C<\/td><\/tr><tr style=\"background-color: #f9f9f9;\"><td>Contenedor<\/td><td>Pl\u00e1stico IP65<\/td><\/tr><tr style=\"background-color: #ffffff;\"><td>Peso<\/td><td>295g<\/td><\/tr><\/tbody><\/table>","referencia":"","ficha_tecnica":"https:\/\/guemisa.es\/wp-content\/uploads\/2026\/11\/ficha-tecnica-sensor-presion-atmosferica-bar-qnh.pdf","imagen_principal":"14754","dibujo_tecnico":"14755","destacado_portada":"","rango":"","posicion":"","rank_math_focus_keyword":"Sensor de presi\u00f3n atmosf\u00e9rica a nivel del mar BAR-QNH","rank_math_title":"Sensor de presi\u00f3n atmosf\u00e9rica a nivel del mar BAR-QNH | NESA","rank_math_description":"Sensor de presi\u00f3n atmosf\u00e9rica a nivel del mar BAR-QNH de NESA: 500\u00f71100 hPa, 0,4 hPa @ 20\u00b0C, c\u00e1lculo autom\u00e1tico del QNH, salida digital RS485 y contenedor IP65.","schema_json_ld_custom":""},"marca":[60],"industria":[],"categoria":[579,293,33,37],"class_list":["post-14757","productos","type-productos","status-publish","has-post-thumbnail","hentry","marca-nesa","categoria-presion-atmosferica-meteorologia-climatologia","categoria-meteorologia-climatologia","categoria-presion","categoria-sensores"],"_links":{"self":[{"href":"https:\/\/guemisa.es\/en\/wp-json\/wp\/v2\/productos\/14757","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/guemisa.es\/en\/wp-json\/wp\/v2\/productos"}],"about":[{"href":"https:\/\/guemisa.es\/en\/wp-json\/wp\/v2\/types\/productos"}],"version-history":[{"count":0,"href":"https:\/\/guemisa.es\/en\/wp-json\/wp\/v2\/productos\/14757\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/guemisa.es\/en\/wp-json\/wp\/v2\/media\/14754"}],"wp:attachment":[{"href":"https:\/\/guemisa.es\/en\/wp-json\/wp\/v2\/media?parent=14757"}],"wp:term":[{"taxonomy":"marca","embeddable":true,"href":"https:\/\/guemisa.es\/en\/wp-json\/wp\/v2\/marca?post=14757"},{"taxonomy":"industria","embeddable":true,"href":"https:\/\/guemisa.es\/en\/wp-json\/wp\/v2\/industria?post=14757"},{"taxonomy":"categoria","embeddable":true,"href":"https:\/\/guemisa.es\/en\/wp-json\/wp\/v2\/categoria?post=14757"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}