{"id":1803,"date":"2026-07-08T07:35:04","date_gmt":"2026-07-08T07:35:04","guid":{"rendered":"https:\/\/innokie.com\/?post_type=product&#038;p=1803"},"modified":"2026-07-08T07:39:38","modified_gmt":"2026-07-08T07:39:38","slug":"sau1550-rack-mounted-oxygen-analyzer","status":"publish","type":"product","link":"https:\/\/innokie.com\/de\/produkt\/sau1550-rack-mounted-oxygen-analyzer\/","title":{"rendered":"SAU1550 Rack-Mounted Oxygen Analyzer"},"content":{"rendered":"<h3 class=\"PDq2pG_selectionAnchorContainer\" data-section-id=\"2vegpd\" data-start=\"0\" data-end=\"25\"><span role=\"text\"><strong data-start=\"4\" data-end=\"25\">Working Principle<\/strong><\/span><\/h3>\n<p data-start=\"27\" data-end=\"211\">The chemical cell method employs the principle of redox cells for oxygen analysis. The cell mainly consists of a cathode, an anode, and electrolyte, all sealed inside an inert housing.<\/p>\n<p data-start=\"213\" data-end=\"543\">When oxygen in the sample gas enters the cell, oxygen molecules gain electrons at the cathode. The anode is made of metallic lead, which loses electrons and gets oxidized. Electrons generated by the cell are conducted through a circuit, then compensated, corrected, and amplified to determine the oxygen content in the sample gas.<\/p>\n<p data-start=\"545\" data-end=\"583\">The reaction equations are as follows:<\/p>\n<p data-start=\"585\" data-end=\"604\"><strong data-start=\"585\" data-end=\"604\">Alkaline Sensor<\/strong><\/p>\n<p data-start=\"606\" data-end=\"641\">Cathode:<br data-start=\"614\" data-end=\"617\" \/>O\u2082 + 2H\u2082O + 4e\u207b \u2192 4OH\u207b<\/p>\n<p data-start=\"643\" data-end=\"684\">Anode:<br data-start=\"649\" data-end=\"652\" \/>2Pb + 4OH\u207b \u2192 2PbO + 2H\u2082O + 4e\u207b<\/p>\n<p data-start=\"686\" data-end=\"703\"><strong data-start=\"686\" data-end=\"703\">Acidic Sensor<\/strong><\/p>\n<p data-start=\"705\" data-end=\"739\">Cathode:<br data-start=\"713\" data-end=\"716\" \/>O\u2082 + 4H\u207a + 4e\u207b \u2192 2H\u2082O<\/p>\n<p data-start=\"741\" data-end=\"767\">Anode:<br data-start=\"747\" data-end=\"750\" \/>Pb \u2192 Pb\u00b2\u207a + 2e\u207b<\/p>\n<div class=\"qMYqUG_convSearchResultHighlightRoot\">\n<div class=\"\" data-turn-id-container=\"request-WEB:502495da-5f8d-4a48-814b-ac305613c811-18\" data-is-intersecting=\"true\">\n<section class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [&amp;:has([data-writing-block])&gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-WEB:502495da-5f8d-4a48-814b-ac305613c811-18\" data-turn-id-container=\"request-WEB:502495da-5f8d-4a48-814b-ac305613c811-18\" data-testid=\"conversation-turn-28\" data-turn=\"assistant\">\n<div class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\">\n<h2>Anwendungsbereiche<\/h2>\n<p>\nThe SAU1550 trace oxygen analyzer is a new high-precision and multi-functional instrument. It can easily measure oxygen content at ppm levels in inert gases, weakly acidic, and weakly alkaline gases.\n<\/p>\n<p>\nIt is mainly applied to gas detection in industrial sites and laboratories, as well as accurate sampling and oxygen content testing at key process points in production lines. It is widely used for oxygen measurement in industries such as petrochemicals, industrial gas production, semiconductors, biopharmaceuticals, and food processing.\n<\/p>\n<h2>Main Features<\/h2>\n<h3>Precise &amp; Efficient<\/h3>\n<ul>\n<li>Highly integrated gas circuit system with bypass design for fast contamination replacement and efficient testing.<\/li>\n<li>Constant pressure and constant flow regulation eliminate sample gas fluctuations, ensuring stable and reliable operation.<\/li>\n<li>Intelligent temperature-pressure dual compensation and full-range calibration provide accurate measurement data.<\/li>\n<\/ul>\n<h3>Safe &amp; Durable<\/h3>\n<ul>\n<li>Built-in pressure protection prevents sensor damage caused by overpressure or negative pressure.<\/li>\n<li>Integrated sealed structure reduces contamination and extends sensor service life.<\/li>\n<li>Maintenance-free sensor design.<\/li>\n<\/ul>\n<h3>Intelligent Operation<\/h3>\n<ul>\n<li>5-inch intelligent color touchscreen with graphic guidance, supporting Chinese, English, and German operation.<\/li>\n<li>Multi-display functions support multi-parameter and multi-window presentation, trend curves, maximum\/minimum values, difference values, average values, and more.<\/li>\n<\/ul>\n<h3>Wide Application<\/h3>\n<ul>\n<li>Strict EMC design adapts to complex industrial and commercial environments.<\/li>\n<li>Various gas circuit interfaces and communication modes support a wide range of applications.<\/li>\n<\/ul>\n<h3>Elegant Appearance<\/h3>\n<ul>\n<li>Premium 19-inch standard chassis with a refined design for easy system integration.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<\/div>\n<\/section>\n<\/div>\n<\/div>","protected":false},"excerpt":{"rendered":"<h3 class=\"PDq2pG_selectionAnchorContainer\" data-section-id=\"yxe25r\" data-start=\"0\" data-end=\"28\"><span role=\"text\"><strong data-start=\"4\" data-end=\"28\">Technische Parameter<\/strong><\/span><\/h3>\n<h4 data-start=\"30\" data-end=\"58\"><span role=\"text\"><strong data-start=\"35\" data-end=\"58\">Analyseparameter<\/strong><\/span><\/h4>\n<div class=\"TyagGW_tableContainer\">\n<div class=\"group TyagGW_tableWrapper flex flex-col-reverse w-fit\" tabindex=\"-1\">\n<table class=\"w-fit min-w-(--thread-content-width)\" data-start=\"60\" data-end=\"1682\">\n<thead data-start=\"60\" data-end=\"84\">\n<tr data-start=\"60\" data-end=\"84\">\n<th class=\"last:pe-10\" data-start=\"60\" data-end=\"67\" data-col-size=\"sm\">Artikel<\/th>\n<th class=\"last:pe-10\" data-start=\"67\" data-end=\"84\" data-col-size=\"lg\">Spezifikation<\/th>\n<\/tr>\n<\/thead>\n<tbody data-start=\"95\" data-end=\"1682\">\n<tr data-start=\"95\" data-end=\"145\">\n<td data-start=\"95\" data-end=\"119\" data-col-size=\"sm\">Messprinzip<\/td>\n<td data-col-size=\"lg\" data-start=\"119\" data-end=\"145\">Electrochemical method<\/td>\n<\/tr>\n<tr data-start=\"146\" data-end=\"208\">\n<td data-start=\"146\" data-end=\"164\" data-col-size=\"sm\">Messbereich<\/td>\n<td data-col-size=\"lg\" data-start=\"164\" data-end=\"208\">(0~10\/100\/1000\/10000) ppm (auto-ranging)<\/td>\n<\/tr>\n<tr data-start=\"209\" data-end=\"235\">\n<td data-start=\"209\" data-end=\"222\" data-col-size=\"sm\">Aufl\u00f6sung<\/td>\n<td data-start=\"222\" data-end=\"235\" data-col-size=\"lg\">0.01 ppmv<\/td>\n<\/tr>\n<tr data-start=\"236\" data-end=\"260\">\n<td data-start=\"236\" data-end=\"247\" data-col-size=\"sm\">Genauigkeit<\/td>\n<td data-col-size=\"lg\" data-start=\"247\" data-end=\"260\">\uff1c 1% F.S.<\/td>\n<\/tr>\n<tr data-start=\"261\" data-end=\"290\">\n<td data-start=\"261\" data-end=\"277\" data-col-size=\"sm\">Ansprechzeit<\/td>\n<td data-col-size=\"lg\" data-start=\"277\" data-end=\"290\">T90 \u2264 10s<\/td>\n<\/tr>\n<tr data-start=\"291\" data-end=\"374\">\n<td data-start=\"291\" data-end=\"315\" data-col-size=\"sm\">Gas Circuit Connector<\/td>\n<td data-start=\"315\" data-end=\"374\" data-col-size=\"lg\">1\/8&#8243; or 1\/4&#8243; stainless steel ferrule fitting (optional)<\/td>\n<\/tr>\n<tr data-start=\"375\" data-end=\"516\">\n<td data-start=\"375\" data-end=\"393\" data-col-size=\"sm\">Gas Path System<\/td>\n<td data-start=\"393\" data-end=\"516\" data-col-size=\"lg\">The gas circuit is equipped with protection and control system, which is immune to fluctuations in sample gas pressure.<\/td>\n<\/tr>\n<tr data-start=\"517\" data-end=\"553\">\n<td data-start=\"517\" data-end=\"539\" data-col-size=\"sm\">Proben\u00adgasdruck<\/td>\n<td data-col-size=\"lg\" data-start=\"539\" data-end=\"553\">(0~15) MPa<\/td>\n<\/tr>\n<tr data-start=\"554\" data-end=\"590\">\n<td data-start=\"554\" data-end=\"575\" data-col-size=\"sm\">Betriebsdruck<\/td>\n<td data-start=\"575\" data-end=\"590\" data-col-size=\"lg\">(0~0.1) MPa<\/td>\n<\/tr>\n<tr data-start=\"591\" data-end=\"627\">\n<td data-start=\"591\" data-end=\"613\" data-col-size=\"sm\">Measuring Flow Rate<\/td>\n<td data-start=\"613\" data-end=\"627\" data-col-size=\"lg\">100 mL\/min<\/td>\n<\/tr>\n<tr data-start=\"628\" data-end=\"667\">\n<td data-start=\"628\" data-end=\"647\" data-col-size=\"sm\">Bypass-Durchfluss<\/td>\n<td data-col-size=\"lg\" data-start=\"647\" data-end=\"667\">(200~500) mL\/min<\/td>\n<\/tr>\n<tr data-start=\"668\" data-end=\"736\">\n<td data-start=\"668\" data-end=\"681\" data-col-size=\"sm\">Abmessungen<\/td>\n<td data-start=\"681\" data-end=\"736\" data-col-size=\"lg\">19-inch 3U standard chassis (468L \u00d7 382W \u00d7 133H) mm<\/td>\n<\/tr>\n<tr data-start=\"737\" data-end=\"791\">\n<td data-start=\"737\" data-end=\"761\" data-col-size=\"sm\">Operating Environment<\/td>\n<td data-col-size=\"lg\" data-start=\"761\" data-end=\"791\">(5~45)\u00b0C, Humidity: \uff1c85%RH<\/td>\n<\/tr>\n<tr data-start=\"792\" data-end=\"844\">\n<td data-start=\"792\" data-end=\"814\" data-col-size=\"sm\">Storage Environment<\/td>\n<td data-start=\"814\" data-end=\"844\" data-col-size=\"lg\">(5~45)\u00b0C, Humidity: \uff1c85%RH<\/td>\n<\/tr>\n<tr data-start=\"845\" data-end=\"878\">\n<td data-start=\"845\" data-end=\"853\" data-col-size=\"sm\">Power<\/td>\n<td data-start=\"853\" data-end=\"878\" data-col-size=\"lg\">(100~240) VAC 50\/60Hz<\/td>\n<\/tr>\n<tr data-start=\"879\" data-end=\"994\">\n<td data-start=\"879\" data-end=\"901\" data-col-size=\"sm\">Communication Modes<\/td>\n<td data-start=\"901\" data-end=\"994\" data-col-size=\"lg\">Analog output: 4~20 mA, 0~20 mA, 0~5 V, 0~10 V; RS485 with Modbus-RTU protocol (optional)<\/td>\n<\/tr>\n<tr data-start=\"995\" data-end=\"1086\">\n<td data-start=\"995\" data-end=\"1010\" data-col-size=\"sm\">Datenspeicherung<\/td>\n<td data-start=\"1010\" data-end=\"1086\" data-col-size=\"lg\">Onboard data storage with capacity for over 5 million records (optional)<\/td>\n<\/tr>\n<tr data-start=\"1087\" data-end=\"1207\">\n<td data-start=\"1087\" data-end=\"1106\" data-col-size=\"sm\">Softwareunterst\u00fctzung<\/td>\n<td data-col-size=\"lg\" data-start=\"1106\" data-end=\"1207\">PC software enabling data export and logging via Type-C; supports Excel and PDF export (optional)<\/td>\n<\/tr>\n<tr data-start=\"1208\" data-end=\"1365\">\n<td data-start=\"1208\" data-end=\"1233\" data-col-size=\"sm\">Algorithm Compensation<\/td>\n<td data-col-size=\"lg\" data-start=\"1233\" data-end=\"1365\">Built-in temperature and pressure compensation to eliminate measurement inaccuracies induced by ambient temperature fluctuations<\/td>\n<\/tr>\n<tr data-start=\"1366\" data-end=\"1416\">\n<td data-start=\"1366\" data-end=\"1381\" data-col-size=\"sm\">Alarm Output<\/td>\n<td data-start=\"1381\" data-end=\"1416\" data-col-size=\"lg\">With high and low alarm outputs<\/td>\n<\/tr>\n<tr data-start=\"1417\" data-end=\"1478\">\n<td data-start=\"1417\" data-end=\"1434\" data-col-size=\"sm\">Display Screen<\/td>\n<td data-col-size=\"lg\" data-start=\"1434\" data-end=\"1478\">5-inch high-definition color touchscreen<\/td>\n<\/tr>\n<tr data-start=\"1479\" data-end=\"1529\">\n<td data-start=\"1479\" data-end=\"1501\" data-col-size=\"sm\">Available Languages<\/td>\n<td data-col-size=\"lg\" data-start=\"1501\" data-end=\"1529\">Deutsch, Englisch, Chinesisch<\/td>\n<\/tr>\n<tr data-start=\"1530\" data-end=\"1606\">\n<td data-start=\"1530\" data-end=\"1545\" data-col-size=\"sm\">Anzeige-Modus<\/td>\n<td data-start=\"1545\" data-end=\"1606\" data-col-size=\"lg\">Parameter readout, multi-window display with trend curves<\/td>\n<\/tr>\n<tr data-start=\"1607\" data-end=\"1632\">\n<td data-start=\"1607\" data-end=\"1625\" data-col-size=\"sm\">Available Units<\/td>\n<td data-col-size=\"lg\" data-start=\"1625\" data-end=\"1632\">ppm<\/td>\n<\/tr>\n<tr data-start=\"1633\" data-end=\"1682\">\n<td data-start=\"1633\" data-end=\"1648\" data-col-size=\"sm\">Steuerungsmodus<\/td>\n<td data-col-size=\"lg\" data-start=\"1648\" data-end=\"1682\">Graphic-guided touch operation<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div>","protected":false},"featured_media":1805,"comment_status":"open","ping_status":"closed","template":"","meta":{"_uag_custom_page_level_css":""},"product_brand":[],"product_cat":[23],"product_tag":[],"class_list":{"0":"post-1803","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-oxygen-analyzers","8":"first","9":"instock","10":"shipping-taxable","11":"product-type-simple"},"uagb_featured_image_src":{"full":["https:\/\/innokie.com\/wp-content\/uploads\/2026\/07\/SAU1550.jpg",1000,1000,false],"thumbnail":["https:\/\/innokie.com\/wp-content\/uploads\/2026\/07\/SAU1550-150x150.jpg",150,150,true],"medium":["https:\/\/innokie.com\/wp-content\/uploads\/2026\/07\/SAU1550-300x300.jpg",300,300,true],"medium_large":["https:\/\/innokie.com\/wp-content\/uploads\/2026\/07\/SAU1550-768x768.jpg",768,768,true],"large":["https:\/\/innokie.com\/wp-content\/uploads\/2026\/07\/SAU1550.jpg",1000,1000,false],"1536x1536":["https:\/\/innokie.com\/wp-content\/uploads\/2026\/07\/SAU1550.jpg",1000,1000,false],"2048x2048":["https:\/\/innokie.com\/wp-content\/uploads\/2026\/07\/SAU1550.jpg",1000,1000,false],"trp-custom-language-flag":["https:\/\/innokie.com\/wp-content\/uploads\/2026\/07\/SAU1550-12x12.jpg",12,12,true],"woocommerce_thumbnail":["https:\/\/innokie.com\/wp-content\/uploads\/2026\/07\/SAU1550-300x300.jpg",300,300,true],"woocommerce_single":["https:\/\/innokie.com\/wp-content\/uploads\/2026\/07\/SAU1550-600x600.jpg",600,600,true],"woocommerce_gallery_thumbnail":["https:\/\/innokie.com\/wp-content\/uploads\/2026\/07\/SAU1550-100x100.jpg",100,100,true]},"uagb_author_info":{"display_name":"icestantongljohntrembl@gmail.com","author_link":"https:\/\/innokie.com\/de\/author\/"},"uagb_comment_info":0,"uagb_excerpt":"Technical Parameters Analyzer Parameters Item Specification Measurement Principle Electrochemical method Measuring Range (0~10\/100\/1000\/10000) ppm (auto-ranging) Resolution 0.01 ppmv Accuracy \uff1c 1% F.S. Response Time T90 \u2264 10s Gas Circuit Connector 1\/8\" or 1\/4\" stainless steel ferrule fitting (optional) Gas Path System The gas circuit is equipped with protection and control system, which is immune to&hellip;","_links":{"self":[{"href":"https:\/\/innokie.com\/de\/wp-json\/wp\/v2\/product\/1803","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/innokie.com\/de\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/innokie.com\/de\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/innokie.com\/de\/wp-json\/wp\/v2\/comments?post=1803"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/innokie.com\/de\/wp-json\/wp\/v2\/media\/1805"}],"wp:attachment":[{"href":"https:\/\/innokie.com\/de\/wp-json\/wp\/v2\/media?parent=1803"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/innokie.com\/de\/wp-json\/wp\/v2\/product_brand?post=1803"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/innokie.com\/de\/wp-json\/wp\/v2\/product_cat?post=1803"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/innokie.com\/de\/wp-json\/wp\/v2\/product_tag?post=1803"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}