{"id":9584,"date":"2026-02-02T14:53:24","date_gmt":"2026-02-02T06:53:24","guid":{"rendered":"https:\/\/www.packqc.com\/products\/syringe-liquid-leak-tester-iso-7886-1\/"},"modified":"2026-04-16T15:20:05","modified_gmt":"2026-04-16T07:20:05","slug":"syringe-liquid-leak-tester-iso-7886-1","status":"publish","type":"products","link":"https:\/\/www.packqc.com\/nn\/products\/syringe-liquid-leak-tester-iso-7886-1\/","title":{"rendered":"SPPT-01 Syringe Positive Pressure Tightness Tester"},"content":{"rendered":"<p>Ensuring the integrity of disposable syringes is critical for patient safety and product quality in pharmaceutical and medical device manufacturing. Among the most important assessments is the <strong data-start=\"593\" data-end=\"621\">syringe liquid leak test<\/strong>, particularly at the plunger stopper under compression. This test verifies whether any leakage occurs when the plunger is subjected to both axial and radial forces under controlled conditions. Cell Instruments offers an advanced solution to perform this test with precision and repeatability\u2014<strong data-start=\"914\" data-end=\"972\">the SPPT-01 Syringe Positive Pressure Tightness Tester<\/strong>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Syringe Liquid Leak Tester &#8211; ISO 7886-1<\/h2>\n\n\n\n<p>For laboratories and manufacturers seeking compliance with ISO 7886-1 Annex D, the <strong data-start=\"3251\" data-end=\"3305\">SPPT-01 Syringe Positive Pressure Tightness Tester<\/strong> by <strong data-start=\"3309\" data-end=\"3329\">Cell Instruments<\/strong> provides a fully automated and precise testing solution. Designed with a <strong data-start=\"3403\" data-end=\"3428\">PLC-controlled system<\/strong> and <strong data-start=\"3433\" data-end=\"3465\">7-inch touchscreen interface<\/strong>, the SPPT-01 offers:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong data-start=\"3490\" data-end=\"3516\">Adjustable test speeds<\/strong> (1\u2013500 mm\/min)<\/li>\n\n\n\n<li><strong style=\"font-size: 16px;\" data-start=\"3534\" data-end=\"3563\">High-accuracy measurement<\/strong> (0.01 mm)<\/li>\n\n\n\n<li><strong style=\"font-size: 16px;\" data-start=\"3576\" data-end=\"3604\">Interchangeable fixtures<\/strong> for various syringe sizes<\/li>\n\n\n\n<li><strong style=\"font-size: 16px;\" data-start=\"3633\" data-end=\"3676\">Sideways and downward force application<\/strong> in one integrated platform<\/li>\n\n\n\n<li><strong style=\"font-size: 16px;\" data-start=\"3706\" data-end=\"3729\">Overload protection<\/strong> and <strong style=\"font-size: 16px;\" data-start=\"3734\" data-end=\"3754\">automatic return<\/strong> for enhanced safety<\/li>\n\n\n\n<li>On-board <strong style=\"font-size: 16px;\" data-start=\"3786\" data-end=\"3802\">microprinter<\/strong> for immediate test reporting<\/li>\n<\/ul>\n\n\n\n<p>These features ensure consistency, accuracy, and adherence to global regulatory standards like <strong data-start=\"3928\" data-end=\"3942\">ISO 7886-1<\/strong>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Main Parameter<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>Load Cell<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\">200N (or as required)<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>Test Speed<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\">1~500mm\/min<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>Accuracy<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\">0.01mm<\/td><\/tr><tr><td class=\"has-text-align-center\" data-align=\"center\"><strong>Power<\/strong><\/td><td class=\"has-text-align-center\" data-align=\"center\">110~220V<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">Applications and Industry Relevance<\/h2>\n\n\n\n<p>The syringe liquid leak test applies to manufacturers of:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Hypodermic syringes<\/li>\n\n\n\n<li>Pre-filled syringes<\/li>\n\n\n\n<li>Medical injection systems<\/li>\n\n\n\n<li>Quality inspection and regulatory testing labs<\/li>\n<\/ul>\n\n\n\n<p>By incorporating this test into quality control protocols, companies in <strong data-start=\"4253\" data-end=\"4271\">pharmaceutical<\/strong>, <strong data-start=\"4273\" data-end=\"4291\">medical device<\/strong>, and <strong data-start=\"4297\" data-end=\"4318\">packaging sectors<\/strong> can meet international regulatory requirements and strengthen product reliability.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Importance of Syringe Liquid Leak Test<\/h2>\n\n\n\n<p>The syringe liquid leak test is essential for quality assurance in the production of sterile hypodermic syringes. A leaking syringe poses significant risks, including contamination, inaccurate dosing, and failure during administration. By conducting a controlled <strong data-start=\"1288\" data-end=\"1316\">syringe liquid leak test<\/strong>, manufacturers can identify weaknesses in the syringe\u2019s plunger stopper design and prevent defective units from reaching the market.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Test Method Based on ISO 7886-1 Annex D<\/h2>\n\n\n\n<p><a href=\"https:\/\/www.packqc.com\/nn\/product-category\/iso\/iso-7886-1\/\" target=\"_blank\" rel=\"noopener\"><strong data-start=\"1506\" data-end=\"1520\">ISO 7886-1<\/strong><\/a> is the international standard for sterile hypodermic syringes for single use. The <strong data-start=\"1603\" data-end=\"1625\">ISO 7886-1 testing<\/strong> procedure ensures the mechanical and functional performance of the syringe, including leakage resistance. Specifically, <strong data-start=\"1746\" data-end=\"1768\">ISO 7886-1 Annex D<\/strong> outlines the <strong data-start=\"1782\" data-end=\"1865\">test method for liquid leakage at the syringe plunger stopper under compression<\/strong>.<\/p>\n\n\n\n<p><strong data-start=\"1506\" data-end=\"1520\">ISO 7886-1<\/strong> is the international standard for sterile hypodermic syringes for single use. The <strong data-start=\"1603\" data-end=\"1625\">ISO 7886-1 testing<\/strong> procedure ensures the mechanical and functional performance of the syringe, including leakage resistance. Specifically, <strong data-start=\"1746\" data-end=\"1768\">ISO 7886-1 Annex D<\/strong> outlines the <strong data-start=\"1782\" data-end=\"1865\">test method for liquid leakage at the syringe plunger stopper under compression<\/strong>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Test Principles from ISO 7886-1 Annex D<\/h2>\n\n\n\n<p>The Annex D procedure aims to simulate worst-case conditions by combining axial and radial loads on the syringe plunger:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>The syringe is first filled with <strong data-start=\"2076\" data-end=\"2095\">distilled water<\/strong> above its nominal capacity.<\/li>\n\n\n\n<li>After expelling air, the volume is adjusted to the nominal level.<\/li>\n\n\n\n<li>The nozzle is sealed using a <strong style=\"font-size: 16px;\" data-start=\"2223\" data-end=\"2252\">reference conical fitting<\/strong> in accordance with ISO 80369-7 or an equivalent seal.<\/li>\n\n\n\n<li>A <strong style=\"font-size: 16px;\" data-start=\"2311\" data-end=\"2329\">sideways force<\/strong> (0.25 N to 3 N) is applied to the plunger to induce deflection.<\/li>\n\n\n\n<li><strong style=\"font-size: 16px;\" data-start=\"2396\" data-end=\"2414\">Axial pressure<\/strong> is generated in the range of 200\u2013300 kPa and maintained for 30\u201335 seconds.<\/li>\n\n\n\n<li>Any <strong style=\"font-size: 16px;\" data-start=\"2496\" data-end=\"2532\">leakage past the plunger stopper<\/strong> is examined visually.<\/li>\n<\/ul>\n\n\n\n<p>This methodology ensures that the plunger stopper maintains a tight seal under pressure and lateral stress, replicating real-world conditions that could cause failure.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Equipment Requirements for ISO 7886-1 Annex D Testing<\/h2>\n\n\n\n<p>To perform the syringe liquid leak test accurately, the following equipment is required:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>A sealing device for the syringe nozzle.<\/li>\n\n\n\n<li>A fixture for applying radial force to the plunger.<\/li>\n\n\n\n<li>A pressurization device to reach 200\u2013300 kPa.<\/li>\n\n\n\n<li>Distilled water (18\u00b0C to 28\u00b0C) for the filling process.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">FAQs<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li>What is the syringe liquid leak test used for?<br>The syringe liquid leak test evaluates whether the plunger stopper maintains a proper seal under compression, preventing any leakage that could compromise sterility or dosage accuracy.<\/li>\n\n\n\n<li>How does Cell Instruments&#8217; SPPT-01 perform the test?<br>The SPPT-01 tester applies both radial and axial forces to the syringe plunger while the nozzle is sealed, simulating worst-case conditions to identify any leakage past the stopper.<\/li>\n\n\n\n<li>Why is this test important for quality control?<br>It ensures that every syringe delivers medication safely and accurately, preventing contamination, dosage loss, or injection failures.<\/li>\n\n\n\n<li>Can the SPPT-01 be used for different syringe sizes?<br>Yes, the SPPT-01 comes with multiple fixtures to accommodate a wide range of syringe types and capacities, enhancing its versatility for different testing needs.<\/li>\n<\/ol>\n\n\n\n<p>Ensuring a syringe\u2019s ability to maintain a leak-free seal under pressure is essential for safety and performance. The <strong data-start=\"4543\" data-end=\"4571\">syringe liquid leak test<\/strong>, as defined in <strong data-start=\"4587\" data-end=\"4609\"><a href=\"https:\/\/www.iso.org\/standard\/64790.html\" target=\"_blank\" rel=\"noopener nofollow\">ISO 7886-1<\/a> Annex D<\/strong>, provides a standardized and reliable method to evaluate this critical property. Using a precise and fully compliant instrument like the <strong data-start=\"4747\" data-end=\"4801\">SPPT-01 Syringe Positive Pressure Tightness Tester<\/strong> from <strong data-start=\"4807\" data-end=\"4827\">Cell Instruments<\/strong> helps manufacturers maintain quality standards and protect end users.<\/p>","protected":false},"excerpt":{"rendered":"<p>Ensuring the integrity of disposable syringes is critical for patient safety and product quality in pharmaceutical and medical device manufacturing. Among the most important assessments is the syringe liquid leak test, particularly at the plunger stopper under compression. This test verifies whether any leakage occurs when the plunger is subjected to both axial and radial [&hellip;]<\/p>","protected":false},"featured_media":0,"parent":0,"template":"","meta":{"_acf_changed":true,"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":"","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":"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-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-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-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-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-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-gradient":""}}},"product-category":[484,438,593],"product-tag":[],"class_list":["post-9584","products","type-products","status-publish","hentry","product-category-leak-testing","product-category-medical-and-pharmaceutical-testing","product-category-syringe-testing"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.packqc.com\/nn\/wp-json\/wp\/v2\/products\/9584","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.packqc.com\/nn\/wp-json\/wp\/v2\/products"}],"about":[{"href":"https:\/\/www.packqc.com\/nn\/wp-json\/wp\/v2\/types\/products"}],"wp:attachment":[{"href":"https:\/\/www.packqc.com\/nn\/wp-json\/wp\/v2\/media?parent=9584"}],"wp:term":[{"taxonomy":"product-category","embeddable":true,"href":"https:\/\/www.packqc.com\/nn\/wp-json\/wp\/v2\/product-category?post=9584"},{"taxonomy":"product-tag","embeddable":true,"href":"https:\/\/www.packqc.com\/nn\/wp-json\/wp\/v2\/product-tag?post=9584"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}