{"id":14761,"date":"2026-11-12T11:32:19","date_gmt":"2026-11-12T10:32:19","guid":{"rendered":"https:\/\/guemisa.es\/productos\/sensor-presion-atmosferica-bar\/"},"modified":"2026-11-12T11:32:19","modified_gmt":"2026-11-12T10:32:19","slug":"bar-atmospheric-pressure-sensor","status":"publish","type":"productos","link":"https:\/\/guemisa.es\/en\/productos\/sensor-presion-atmosferica-bar\/","title":{"rendered":"Atmospheric pressure sensor BAR"},"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 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":""}},"guemisa_schema_json":"{\"@context\": \"https:\/\/schema.org\", \"@graph\": [{\"@type\": \"Product\", \"@id\": \"#product\", \"name\": \"Sensor de presi\u00f3n atmosf\u00e9rica BAR\", \"sku\": \"BAR\", \"mpn\": \"BAR\", \"image\": \"https:\/\/guemisa.es\/wp-content\/uploads\/2026\/11\/nesa-sensor-presion-atmosferica-bar.webp\", \"description\": \"Sensor de presi\u00f3n atmosf\u00e9rica BAR de NESA: bar\u00f3metro electr\u00f3nico 800\u00f71100 hPa, precisi\u00f3n < 0,4 hPa, salida 0\u00f72Vdc, 4\u00f720mA o RS485 \/ Modbus e 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\"}, {\"@type\": \"PropertyValue\", \"name\": \"Rango t\u00edpico\", \"value\": \"800\u00f71100 hPa\"}, {\"@type\": \"PropertyValue\", \"name\": \"Otro rango\", \"value\": \"500\u00f71100 hPa\"}, {\"@type\": \"PropertyValue\", \"name\": \"Tipo de transductor\", \"value\": \"Piezorresistivo\"}, {\"@type\": \"PropertyValue\", \"name\": \"Precisi\u00f3n\", \"value\": \"< 0,4 hPa @ 20 \u00b0C\"}, {\"@type\": \"PropertyValue\", \"name\": \"Sensibilidad\", \"value\": \"0,05 hPa\"}, {\"@type\": \"PropertyValue\", \"name\": \"Resoluci\u00f3n\", \"value\": \"0,05 hPa\"}, {\"@type\": \"PropertyValue\", \"name\": \"Tiempo de respuesta\", \"value\": \"< 2 s\"}, {\"@type\": \"PropertyValue\", \"name\": \"Conformidad normativa\", \"value\": \"WMO; CE\"}, {\"@type\": \"PropertyValue\", \"name\": \"Se\u00f1al de salida\", \"value\": \"0\u00f72Vdc (A); 4\u00f720mA (B); RS485 \/ Modbus (C)\"}, {\"@type\": \"PropertyValue\", \"name\": \"Salida A\", \"value\": \"0\u00f72Vdc = 800\u00f71100 hPa [hPa = (V\u00b7300)\/2 + 800]\"}, {\"@type\": \"PropertyValue\", \"name\": \"Salida B\", \"value\": \"4\u00f720mA = 800\u00f71100 hPa, no autoalimentada [hPa = 300\u00b7(mA - 4)\/16 + 800]\"}, {\"@type\": \"PropertyValue\", \"name\": \"Impedancia de salida\", \"value\": \"100 \u03a9\"}, {\"@type\": \"PropertyValue\", \"name\": \"Interfaz RS485 (semid\u00faplex)\", \"value\": \"9600 baudios, paridad N, 8 bits de datos, 1 bit de parada\"}, {\"@type\": \"PropertyValue\", \"name\": \"Protocolo serie\", \"value\": \"Comando de petici\u00f3n 013CR (ID 013); la respuesta es el valor de medida en la unidad de ingenier\u00eda programada\"}, {\"@type\": \"PropertyValue\", \"name\": \"Modbus RTU\", \"value\": \"Solo funci\u00f3n 0x03 (Read Holding Register); 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Rango t\u00edpico 800\u00f71100 hPa y precisi\u00f3n < 0,4 hPa @ 20 \u00b0C.<\/p><p>Salida 0\u00f72Vdc (BAR-A), 4\u00f720mA (BAR-B) o RS485 \/ Modbus (BAR-C). Se entrega con informe de calibraci\u00f3n. Para estaciones meteorol\u00f3gicas, sistemas de monitorizaci\u00f3n medioambiental y campa\u00f1as de medida.<\/p><h3>Puntos clave<\/h3><ul><li>Rango t\u00edpico 800\u00f71100 hPa; otro rango 500\u00f71100 hPa<\/li><li>Precisi\u00f3n < 0,4 hPa @ 20 \u00b0C, sensibilidad y resoluci\u00f3n 0,05 hPa<\/li><li>Transductor piezorresistivo, tiempo de respuesta < 2 s<\/li><li>Salida 0\u00f72Vdc, 4\u00f720mA o RS485 \/ Modbus<\/li><li>10\u00f730Vdc, < 0,1 W, protecci\u00f3n contra inversi\u00f3n de polaridad y transitorios<\/li><li>IP65, -40 \u00f7 +60 \u00b0C, 270 g<\/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 salidas tiene el BAR?<\/strong><\/p><p>BAR-A: 0\u00f72Vdc = 800\u00f71100 hPa. BAR-B: 4\u00f720mA = 800\u00f71100 hPa, no autoalimentada. BAR-C: RS485 \/ Modbus (ID est\u00e1ndar 013).<\/p><p><strong style=\"color: #0F75BE;\">\u00bfQu\u00e9 par\u00e1metros tiene la salida digital?<\/strong><\/p><p>RS485 semid\u00faplex a 9600 baudios, paridad N, 8 bits de datos y 1 de parada. Modbus RTU solo con la funci\u00f3n 0x03, valor en coma flotante IEEE754 de 32 bits en las direcciones 40002-40003. Comando de petici\u00f3n del protocolo serie: 013CR.<\/p><p><strong style=\"color: #0F75BE;\">\u00bfQu\u00e9 incluye cada equipo?<\/strong><\/p><p>Informe de calibraci\u00f3n y un cable con extremos para regleta de bornes o PS2. El cable tambi\u00e9n se puede pedir aparte: CS05, CS10 o CSxx.<\/p><p><strong style=\"color: #0F75BE;\">\u00bfC\u00f3mo se pide?<\/strong><\/p><p>Sensor (BAR), salida (A, B o C), cable sensor-datalogger (05, 10 o xx, longitud en metros a especificar) y soporte (SSU, L = 700-750 mm, solo para exterior). Ejemplo del fabricante: BAR B 10 SSU.<\/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<\/td><\/tr><tr style=\"background-color: #f9f9f9;\"><td>Rango t\u00edpico<\/td><td>800\u00f71100 hPa<\/td><\/tr><tr style=\"background-color: #ffffff;\"><td>Otro rango<\/td><td>500\u00f71100 hPa<\/td><\/tr><tr style=\"background-color: #f9f9f9;\"><td>Tipo de transductor<\/td><td>Piezorresistivo<\/td><\/tr><tr style=\"background-color: #ffffff;\"><td>Precisi\u00f3n<\/td><td>< 0,4 hPa @ 20 \u00b0C<\/td><\/tr><tr style=\"background-color: #f9f9f9;\"><td>Sensibilidad<\/td><td>0,05 hPa<\/td><\/tr><tr style=\"background-color: #ffffff;\"><td>Resoluci\u00f3n<\/td><td>0,05 hPa<\/td><\/tr><tr style=\"background-color: #f9f9f9;\"><td>Tiempo de respuesta<\/td><td>< 2 s<\/td><\/tr><tr style=\"background-color: #ffffff;\"><td>Conformidad normativa<\/td><td>WMO; CE<\/td><\/tr><tr class=\"gm-es-grupo\" style=\"background-color: #e6edf5;\"><td colspan=\"2\">Se\u00f1ales de salida e interfaz<\/td><\/tr><tr style=\"background-color: #ffffff;\"><td>Se\u00f1al de salida<\/td><td>0\u00f72Vdc (A); 4\u00f720mA (B); RS485 \/ Modbus (C)<\/td><\/tr><tr style=\"background-color: #f9f9f9;\"><td>Salida A<\/td><td>0\u00f72Vdc = 800\u00f71100 hPa [hPa = (V\u00b7300)\/2 + 800]<\/td><\/tr><tr style=\"background-color: #ffffff;\"><td>Salida B<\/td><td>4\u00f720mA = 800\u00f71100 hPa, no autoalimentada [hPa = 300\u00b7(mA - 4)\/16 + 800]<\/td><\/tr><tr style=\"background-color: #f9f9f9;\"><td>Impedancia de salida<\/td><td>100 \u03a9<\/td><\/tr><tr style=\"background-color: #ffffff;\"><td>Interfaz RS485 (semid\u00faplex)<\/td><td>9600 baudios, paridad N, 8 bits de datos, 1 bit de parada<\/td><\/tr><tr style=\"background-color: #f9f9f9;\"><td>Protocolo serie<\/td><td>Comando de petici\u00f3n 013CR (ID 013); la respuesta es el valor de medida en la unidad de ingenier\u00eda programada<\/td><\/tr><tr style=\"background-color: #ffffff;\"><td>Modbus RTU<\/td><td>Solo funci\u00f3n 0x03 (Read Holding Register); valor en coma flotante IEEE754 de 32 bits en 2 registros de 16 bits, direcciones 40002-40003<\/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 y consumo<\/td><td>10\u00f730Vdc, < 0,1 W<\/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>Caja<\/td><td>Pl\u00e1stico (ABS), IP65<\/td><\/tr><tr style=\"background-color: #ffffff;\"><td>Dimensiones<\/td><td>120 x 80 x 55 mm (ver plano)<\/td><\/tr><tr style=\"background-color: #f9f9f9;\"><td>Peso<\/td><td>270 g<\/td><\/tr><tr style=\"background-color: #ffffff;\"><td>Calibraci\u00f3n<\/td><td>Prueba funcional comparando con un bar\u00f3metro de precisi\u00f3n de referencia; se entrega con informe de calibraci\u00f3n<\/td><\/tr><tr style=\"background-color: #f9f9f9;\"><td>Suministro<\/td><td>Con cable con extremos para regleta de bornes o PS2 e informe de calibraci\u00f3n<\/td><\/tr><\/tbody><\/table><table class=\"tecnica-table gm-refs\"><tbody><tr><th>Referencia<\/th><th>Configuraci\u00f3n<\/th><\/tr><tr><td><span class=\"gm-ref\">BAR-A<\/span><span class=\"gm-ref-c\">BARA<\/span><\/td><td>Se\u00f1al de salida: 0\u00f72Vdc \u00b7 Suministro: 800\u00f71100 hPa, conforme a WMO, con informe de calibraci\u00f3n; tambi\u00e9n con cable aparte (CS05, CS10, CSxx)<\/td><\/tr><tr><td><span class=\"gm-ref\">BAR-B<\/span><span class=\"gm-ref-c\">BARB<\/span><\/td><td>Se\u00f1al de salida: 4\u00f720mA \u00b7 Suministro: 800\u00f71100 hPa, conforme a WMO, con informe de calibraci\u00f3n; tambi\u00e9n con cable aparte (CS05, CS10, CSxx)<\/td><\/tr><tr><td><span class=\"gm-ref\">BAR-C<\/span><span class=\"gm-ref-c\">BARC<\/span><\/td><td>Se\u00f1al de salida: RS485 \/ Modbus \u00b7 Suministro: 800\u00f71100 hPa, conforme a WMO, RS485 \/ Modbus o RS485 con protocolo serie, ID est\u00e1ndar 013, con informe de calibraci\u00f3n; tambi\u00e9n con cable aparte (CS05, CS10, CSxx)<\/td><\/tr><\/tbody><\/table>","referencia":"","ficha_tecnica":"https:\/\/guemisa.es\/wp-content\/uploads\/2026\/11\/ficha-tecnica-sensor-presion-atmosferica-bar.pdf","imagen_principal":"14758","dibujo_tecnico":"14759","destacado_portada":"","rango":"","posicion":"","rank_math_focus_keyword":"Sensor de presi\u00f3n atmosf\u00e9rica BAR","rank_math_title":"Sensor de presi\u00f3n atmosf\u00e9rica BAR | NESA","rank_math_description":"Sensor de presi\u00f3n atmosf\u00e9rica BAR de NESA: bar\u00f3metro electr\u00f3nico 800\u00f71100 hPa, precisi\u00f3n < 0,4 hPa, salida 0\u00f72Vdc, 4\u00f720mA o RS485 \/ Modbus e IP65.","schema_json_ld_custom":""},"marca":[60],"industria":[],"categoria":[579,293,33,37],"class_list":["post-14761","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\/14761","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\/14761\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/guemisa.es\/en\/wp-json\/wp\/v2\/media\/14758"}],"wp:attachment":[{"href":"https:\/\/guemisa.es\/en\/wp-json\/wp\/v2\/media?parent=14761"}],"wp:term":[{"taxonomy":"marca","embeddable":true,"href":"https:\/\/guemisa.es\/en\/wp-json\/wp\/v2\/marca?post=14761"},{"taxonomy":"industria","embeddable":true,"href":"https:\/\/guemisa.es\/en\/wp-json\/wp\/v2\/industria?post=14761"},{"taxonomy":"categoria","embeddable":true,"href":"https:\/\/guemisa.es\/en\/wp-json\/wp\/v2\/categoria?post=14761"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}