{"id":3464,"date":"2026-01-16T16:10:37","date_gmt":"2026-01-16T08:10:37","guid":{"rendered":"https:\/\/sj-gauge.com\/?post_type=product&#038;p=3464"},"modified":"2026-06-15T23:15:25","modified_gmt":"2026-06-15T15:15:25","slug":"732-31-733-31","status":"publish","type":"product","link":"https:\/\/www.sj-gauge.com\/vi\/product\/732-31-733-31\/","title":{"rendered":"C\u1ea3m bi\u1ebfn \u00e1p su\u1ea5t ch\u00eanh l\u1ec7ch cho ng\u00e0nh c\u00f4ng nghi\u1ec7p qu\u00e1 tr\u00ecnh, bu\u1ed3ng ch\u1ee9a ch\u1ea5t l\u1ecfng b\u1eb1ng kim lo\u1ea1i ho\u00e0n to\u00e0n."},"content":{"rendered":"<div class=\"column is-half\">\n<p>These differential pressure gauges are made of highly corrosion-resistant stainless steel and feature an all-metal media chamber to ensure long-term leak tightness (no elastomer sealing elements).<\/p>\n<p>A high overload safety is achieved by the all-metal construction and the close-fitting design of the diaphragm measuring element.<\/p>\n<p>The use of high-quality stainless steel materials and the robust design are geared to applications in the chemical and process engineering industries. Thus the instrument is suitable for liquid and gaseous media, also in aggressive environments.<\/p>\n<\/div>\n<div class=\"column is-half\">\n<p>The low-temperature version POLARgauge<sup>\u00ae<\/sup>\u00a0allows operation with ambient temperatures down to -70 \u00b0C [-94 \u00b0F].<\/p>\n<p>Cases with safety level \u201cS3\u201d are fitted with a non-splintering window, a solid baffle wall between measuring system and dial and a blow-out back. In the event of a failure, the operator is protected at the front side, as media or components can only be ejected via the back of the case.<\/p>\n<p>The QR code on the dial allows instrument-specific information such as the serial number, the order number, certificates and other product data to be retrieved from the internet easily and in the long term.<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<ul>\n<li>Differential pressure measuring ranges from 0 &#8230; 16 mbar to 0 &#8230; 40 bar or 0 &#8230;10 inH2O to 0 &#8230; 600 psi<\/li>\n<li>High operating pressure and high overload safety up to 40 bar [600 psi]<\/li>\n<li>Models 732.31 and 733.31: Case with safety level \u201cS3\u201d per EN 837<\/li>\n<li>All-welded media chamber<\/li>\n<li>QR code on dial links to instrument-specific information<\/li>\n<\/ul>\n","protected":false},"featured_media":3477,"template":"","meta":{"_acf_changed":false},"product_brand":[68],"product_cat":[51],"product_tag":[],"class_list":{"0":"post-3464","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-wika","7":"product_cat-wika-pressure-gauge","9":"first","10":"instock","11":"shipping-taxable","12":"product-type-simple"},"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.7 (Yoast SEO v28.1) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Differential pressure gauge | SJ Gauge<\/title>\n<meta name=\"description\" content=\"WIKA differential pressure gauge for stable differential pressure monitoring in process, filtration, tank, and industrial systems.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.sj-gauge.com\/vi\/product\/732-31-733-31\/\" \/>\n<meta property=\"og:locale\" content=\"vi_VN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Differential pressure gauge for the process industry, all-metal media chamber\" \/>\n<meta property=\"og:description\" content=\"WIKA differential pressure gauge for stable differential pressure monitoring in process, filtration, tank, and industrial systems.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.sj-gauge.com\/vi\/product\/732-31-733-31\/\" \/>\n<meta property=\"og:site_name\" content=\"SJ Gauge | Pressure Gauges, Thermometers &amp; Pressure Sensors\" \/>\n<meta property=\"article:modified_time\" content=\"2026-06-15T15:15:25+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2026\/01\/SJ-Gauge-wika-732-31-image.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"1000\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u01af\u1edbc t\u00ednh th\u1eddi gian \u0111\u1ecdc\" \/>\n\t<meta name=\"twitter:data1\" content=\"2 ph\u00fat\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.sj-gauge.com\\\/product\\\/732-31-733-31\\\/\",\"url\":\"https:\\\/\\\/www.sj-gauge.com\\\/product\\\/732-31-733-31\\\/\",\"name\":\"Differential pressure gauge | SJ Gauge\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.sj-gauge.com.tw\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.sj-gauge.com\\\/product\\\/732-31-733-31\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.sj-gauge.com\\\/product\\\/732-31-733-31\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/www.sj-gauge.com\\\/wp-content\\\/uploads\\\/2026\\\/01\\\/SJ-Gauge-wika-732-31-image.jpg\",\"datePublished\":\"2026-01-16T08:10:37+00:00\",\"dateModified\":\"2026-06-15T15:15:25+00:00\",\"description\":\"WIKA differential pressure gauge for stable differential pressure monitoring in process, filtration, tank, and industrial systems.\",\"breadcrumb\":{\"@id\":\"https:\\\/\\\/www.sj-gauge.com\\\/product\\\/732-31-733-31\\\/#breadcrumb\"},\"inLanguage\":\"vi\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\\\/\\\/www.sj-gauge.com\\\/product\\\/732-31-733-31\\\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"vi\",\"@id\":\"https:\\\/\\\/www.sj-gauge.com\\\/product\\\/732-31-733-31\\\/#primaryimage\",\"url\":\"https:\\\/\\\/www.sj-gauge.com\\\/wp-content\\\/uploads\\\/2026\\\/01\\\/SJ-Gauge-wika-732-31-image.jpg\",\"contentUrl\":\"https:\\\/\\\/www.sj-gauge.com\\\/wp-content\\\/uploads\\\/2026\\\/01\\\/SJ-Gauge-wika-732-31-image.jpg\",\"width\":1200,\"height\":1000,\"caption\":\"WIKA 732.31 differential pressure gauge for demanding process applications.\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\\\/\\\/www.sj-gauge.com\\\/product\\\/732-31-733-31\\\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\\\/\\\/www.sj-gauge.com.tw\\\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Products\",\"item\":\"https:\\\/\\\/www.sj-gauge.com\\\/id\\\/products\\\/\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"Differential pressure gauge for the process industry, all-metal media chamber\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\\\/\\\/www.sj-gauge.com.tw\\\/#website\",\"url\":\"https:\\\/\\\/www.sj-gauge.com.tw\\\/\",\"name\":\"SJ Gauge | Pressure Gauges, Thermometers &amp; Pressure Sensors\",\"description\":\"Manufacturer of industrial pressure gauges, pressure sensors, and transmitters. SJ Gauge provides high accuracy, durable materials, and custom solutions for oil &amp; gas, chemical, and industrial applications.\",\"publisher\":{\"@id\":\"https:\\\/\\\/www.sj-gauge.com.tw\\\/#organization\"},\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\\\/\\\/www.sj-gauge.com.tw\\\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"vi\"},{\"@type\":\"Organization\",\"@id\":\"https:\\\/\\\/www.sj-gauge.com.tw\\\/#organization\",\"name\":\"SJ Gauge | Pressure Gauges, Thermometers &amp; Pressure Sensors\",\"url\":\"https:\\\/\\\/www.sj-gauge.com.tw\\\/\",\"logo\":{\"@type\":\"ImageObject\",\"inLanguage\":\"vi\",\"@id\":\"https:\\\/\\\/www.sj-gauge.com.tw\\\/#\\\/schema\\\/logo\\\/image\\\/\",\"url\":\"https:\\\/\\\/www.sj-gauge.com\\\/wp-content\\\/uploads\\\/2025\\\/09\\\/logo.webp\",\"contentUrl\":\"https:\\\/\\\/www.sj-gauge.com\\\/wp-content\\\/uploads\\\/2025\\\/09\\\/logo.webp\",\"width\":348,\"height\":184,\"caption\":\"SJ Gauge | Pressure Gauges, Thermometers &amp; Pressure Sensors\"},\"image\":{\"@id\":\"https:\\\/\\\/www.sj-gauge.com.tw\\\/#\\\/schema\\\/logo\\\/image\\\/\"}}]}<\/script>\n<!-- \/ Yoast SEO Premium plugin. -->","yoast_head_json":{"title":"\u0110\u1ed3ng h\u1ed3 \u0111o \u00e1p su\u1ea5t ch\u00eanh l\u1ec7ch | SJ Gauge","description":"\u0110\u1ed3ng h\u1ed3 \u0111o \u00e1p su\u1ea5t ch\u00eanh l\u1ec7ch WIKA d\u00f9ng \u0111\u1ec3 theo d\u00f5i \u00e1p su\u1ea5t ch\u00eanh l\u1ec7ch \u1ed5n \u0111\u1ecbnh trong c\u00e1c h\u1ec7 th\u1ed1ng x\u1eed l\u00fd, l\u1ecdc, b\u1ed3n ch\u1ee9a v\u00e0 c\u00f4ng nghi\u1ec7p.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.sj-gauge.com\/vi\/product\/732-31-733-31\/","og_locale":"vi_VN","og_type":"article","og_title":"Differential pressure gauge for the process industry, all-metal media chamber","og_description":"WIKA differential pressure gauge for stable differential pressure monitoring in process, filtration, tank, and industrial systems.","og_url":"https:\/\/www.sj-gauge.com\/vi\/product\/732-31-733-31\/","og_site_name":"SJ Gauge | Pressure Gauges, Thermometers &amp; Pressure Sensors","article_modified_time":"2026-06-15T15:15:25+00:00","og_image":[{"width":1200,"height":1000,"url":"https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2026\/01\/SJ-Gauge-wika-732-31-image.jpg","type":"image\/jpeg"}],"twitter_card":"summary_large_image","twitter_misc":{"\u01af\u1edbc t\u00ednh th\u1eddi gian \u0111\u1ecdc":"2 ph\u00fat"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/www.sj-gauge.com\/product\/732-31-733-31\/","url":"https:\/\/www.sj-gauge.com\/product\/732-31-733-31\/","name":"\u0110\u1ed3ng h\u1ed3 \u0111o \u00e1p su\u1ea5t ch\u00eanh l\u1ec7ch | SJ Gauge","isPartOf":{"@id":"https:\/\/www.sj-gauge.com.tw\/#website"},"primaryImageOfPage":{"@id":"https:\/\/www.sj-gauge.com\/product\/732-31-733-31\/#primaryimage"},"image":{"@id":"https:\/\/www.sj-gauge.com\/product\/732-31-733-31\/#primaryimage"},"thumbnailUrl":"https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2026\/01\/SJ-Gauge-wika-732-31-image.jpg","datePublished":"2026-01-16T08:10:37+00:00","dateModified":"2026-06-15T15:15:25+00:00","description":"\u0110\u1ed3ng h\u1ed3 \u0111o \u00e1p su\u1ea5t ch\u00eanh l\u1ec7ch WIKA d\u00f9ng \u0111\u1ec3 theo d\u00f5i \u00e1p su\u1ea5t ch\u00eanh l\u1ec7ch \u1ed5n \u0111\u1ecbnh trong c\u00e1c h\u1ec7 th\u1ed1ng x\u1eed l\u00fd, l\u1ecdc, b\u1ed3n ch\u1ee9a v\u00e0 c\u00f4ng nghi\u1ec7p.","breadcrumb":{"@id":"https:\/\/www.sj-gauge.com\/product\/732-31-733-31\/#breadcrumb"},"inLanguage":"vi","potentialAction":[{"@type":"ReadAction","target":["https:\/\/www.sj-gauge.com\/product\/732-31-733-31\/"]}]},{"@type":"ImageObject","inLanguage":"vi","@id":"https:\/\/www.sj-gauge.com\/product\/732-31-733-31\/#primaryimage","url":"https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2026\/01\/SJ-Gauge-wika-732-31-image.jpg","contentUrl":"https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2026\/01\/SJ-Gauge-wika-732-31-image.jpg","width":1200,"height":1000,"caption":"WIKA 732.31 differential pressure gauge for demanding process applications."},{"@type":"BreadcrumbList","@id":"https:\/\/www.sj-gauge.com\/product\/732-31-733-31\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/www.sj-gauge.com.tw\/"},{"@type":"ListItem","position":2,"name":"Products","item":"https:\/\/www.sj-gauge.com\/id\/products\/"},{"@type":"ListItem","position":3,"name":"Differential pressure gauge for the process industry, all-metal media chamber"}]},{"@type":"WebSite","@id":"https:\/\/www.sj-gauge.com.tw\/#website","url":"https:\/\/www.sj-gauge.com.tw\/","name":"SJ Gauge | \u0110\u1ed3ng h\u1ed3 \u0111o \u00e1p su\u1ea5t, nhi\u1ec7t k\u1ebf v\u00e0 c\u1ea3m bi\u1ebfn \u00e1p su\u1ea5t","description":"Nh\u00e0 s\u1ea3n xu\u1ea5t \u0111\u1ed3ng h\u1ed3 \u0111o \u00e1p su\u1ea5t c\u00f4ng nghi\u1ec7p, c\u1ea3m bi\u1ebfn \u00e1p su\u1ea5t v\u00e0 b\u1ed9 truy\u1ec1n t\u00edn hi\u1ec7u. SJ Gauge cung c\u1ea5p c\u00e1c s\u1ea3n ph\u1ea9m c\u00f3 \u0111\u1ed9 ch\u00ednh x\u00e1c cao, \u0111\u01b0\u1ee3c ch\u1ebf t\u1ea1o t\u1eeb v\u1eadt li\u1ec7u b\u1ec1n b\u1ec9 v\u00e0 c\u00e1c gi\u1ea3i ph\u00e1p t\u00f9y ch\u1ec9nh d\u00e0nh cho c\u00e1c \u1ee9ng d\u1ee5ng trong ng\u00e0nh d\u1ea7u kh\u00ed, h\u00f3a ch\u1ea5t v\u00e0 c\u00f4ng nghi\u1ec7p.","publisher":{"@id":"https:\/\/www.sj-gauge.com.tw\/#organization"},"potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/www.sj-gauge.com.tw\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"vi"},{"@type":"Organization","@id":"https:\/\/www.sj-gauge.com.tw\/#organization","name":"SJ Gauge | \u0110\u1ed3ng h\u1ed3 \u0111o \u00e1p su\u1ea5t, nhi\u1ec7t k\u1ebf v\u00e0 c\u1ea3m bi\u1ebfn \u00e1p su\u1ea5t","url":"https:\/\/www.sj-gauge.com.tw\/","logo":{"@type":"ImageObject","inLanguage":"vi","@id":"https:\/\/www.sj-gauge.com.tw\/#\/schema\/logo\/image\/","url":"https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/09\/logo.webp","contentUrl":"https:\/\/www.sj-gauge.com\/wp-content\/uploads\/2025\/09\/logo.webp","width":348,"height":184,"caption":"SJ Gauge | Pressure Gauges, Thermometers &amp; Pressure Sensors"},"image":{"@id":"https:\/\/www.sj-gauge.com.tw\/#\/schema\/logo\/image\/"}}]}},"_links":{"self":[{"href":"https:\/\/www.sj-gauge.com\/vi\/wp-json\/wp\/v2\/product\/3464","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.sj-gauge.com\/vi\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.sj-gauge.com\/vi\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.sj-gauge.com\/vi\/wp-json\/wp\/v2\/media\/3477"}],"wp:attachment":[{"href":"https:\/\/www.sj-gauge.com\/vi\/wp-json\/wp\/v2\/media?parent=3464"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.sj-gauge.com\/vi\/wp-json\/wp\/v2\/product_brand?post=3464"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.sj-gauge.com\/vi\/wp-json\/wp\/v2\/product_cat?post=3464"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.sj-gauge.com\/vi\/wp-json\/wp\/v2\/product_tag?post=3464"}],"curies":[{"name":"trang web","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}