{"id":5832,"date":"2024-12-02T14:00:34","date_gmt":"2024-12-02T06:00:34","guid":{"rendered":"https:\/\/www.air-tester.com\/?p=5832"},"modified":"2025-08-01T17:13:31","modified_gmt":"2025-08-01T09:13:31","slug":"cha-ya-ding-liang-shi-yu-cha-ya-shi-qi-mi-yi","status":"publish","type":"post","link":"https:\/\/www.air-tester.com\/en\/cha-ya-ding-liang-shi-yu-cha-ya-shi-qi-mi-yi.html\/","title":{"rendered":"Differential pressure quantitative and differential pressure air tightness tester industry science, industrial production sealing guardian"},"content":{"rendered":"<p>In modern industrial production, airtightness testing plays a crucial role. Whether it is to ensure the performance, safety or service life of the product, airtightness testing is an indispensable link.<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p style=\"font-size:15px\">For example, in the automotive industry, good airtightness can ensure the normal operation of automotive parts and avoid problems such as fuel leakage and water ingress; in the field of medical devices, airtightness is directly related to the accuracy of the equipment and the safety of the patients; in consumer electronics, such as cell phones and watches, the requirements for airtightness, such as waterproofing and dustproofing, are also increasing.<\/p>\n<\/blockquote>\n\n\n\n<h2 class=\"wp-block-heading cheese-cake\" style=\"margin-top:var(--wp--preset--spacing--70)\">I. The nature of airtightness testing<\/h2>\n\n\n\n<p style=\"font-size:16px\">Airtightness, i.e., the ability of an object to prevent the penetration and leakage of gases and liquids. Imagine the consequences of a leaky tire, a seeping hose, or water in diving equipment.<strong>The mission of the airtightness tester is to accurately determine whether the sealing and waterproofing of a product is up to standard before it leaves the factory.<\/strong><\/p>\n\n\n\n<p style=\"font-size:16px\">In this article, we will introduce two mainstream testing technology in-depth analysis, differential pressure quantitative and differential pressure airtightness tester.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" style=\"margin-top:var(--wp--preset--spacing--70)\">1. Differential pressure quantitative airtightness tester<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">Working Principle<\/h4>\n\n\n\n<p><strong>Differential Pressure Quantitative Tester designed for fully enclosed products.<\/strong>It is like doing a \"Precision Airtightness Physical Examination\" on a product. It ensures that the sealing of the product meets extremely high standards through a standardized testing process.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1000\" height=\"667\" src=\"https:\/\/www.air-tester.com\/wp-content\/uploads\/2024\/12\/cha-ya-ding-liang.png\"  class=\"wp-image-5834\" style=\"width:1043px;height:auto\" srcset=\"https:\/\/www.air-tester.com\/wp-content\/uploads\/2024\/12\/cha-ya-ding-liang.png 1000w, https:\/\/www.air-tester.com\/wp-content\/uploads\/2024\/12\/cha-ya-ding-liang-18x12.png 18w, https:\/\/www.air-tester.com\/wp-content\/uploads\/2024\/12\/cha-ya-ding-liang-600x400.png 600w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" title=\"\u5dee\u538b\u5b9a\u91cf\u5f0f\u4e0e\u5dee\u538b\u5f0f\u6c14\u5bc6\u6027\u68c0\u6d4b\u4eea\u884c\u4e1a\u79d1\u666e\uff0c\u5de5\u4e1a\u751f\u4ea7\u4e2d\u7684\u5bc6\u5c01\u536b\u58eb\u63d2\u56fe\" alt=\"\u5dee\u538b\u5b9a\u91cf\u5f0f\u4e0e\u5dee\u538b\u5f0f\u6c14\u5bc6\u6027\u68c0\u6d4b\u4eea\u884c\u4e1a\u79d1\u666e\uff0c\u5de5\u4e1a\u751f\u4ea7\u4e2d\u7684\u5bc6\u5c01\u536b\u58eb\u63d2\u56fe\" \/><figcaption class=\"wp-element-caption\"><em>Differential Pressure Quantitative Airtightness Tester<\/em><\/figcaption><\/figure>\n\n\n\n<p>The testing process includes:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Inflation phase: Pressure set according to preset criteria<\/li>\n\n\n\n<li>Equilibrium phase: waiting for pressure to stabilize<\/li>\n\n\n\n<li>Detection phase: precise measurement of pressure changes<\/li>\n<\/ul>\n\n\n\n<iframe src=\"\/\/player.bilibili.com\/player.html?isOutside=true&#038;aid=113513754400721&#038;bvid=BV1BfSNYkETr&#038;cid=26854295497&#038;p=1&#038;autoplay=0\" scrolling=\"no\" border=\"0\" frameborder=\"no\" framespacing=\"0\" allowfullscreen=\"true\" style=\"width:100%;aspect-ratio:16\/9;\"> <\/iframe>\n\n\n\n<p style=\"font-size:15px\"><em>Diving equipment battery compartment differential pressure quantitative air tightness tester<\/em><\/p>\n\n\n\n<p style=\"font-size:15px\">As an example, the test parameters for the battery compartment of a diving equipment are as follows (adjustment is supported):<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Inflation time: 40 seconds<\/li>\n\n\n\n<li>Equilibration time 1:40 seconds<\/li>\n\n\n\n<li>Equilibration time 2: 30 seconds<\/li>\n\n\n\n<li>Test time: 20 seconds<\/li>\n\n\n\n<li>Leakage range: \u00b13000 Pa<\/li>\n\n\n\n<li>Test pressure: 1000 kPa<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">Applicable Scenarios<\/h4>\n\n\n\n<p>Particularly suitable for fully enclosed, high-precision sealing requirements, such as:<\/p>\n\n\n\n<ul style=\"font-size:15px\" class=\"wp-block-list\">\n<li>diving equipment<\/li>\n\n\n\n<li>Precision Medical Devices<\/li>\n\n\n\n<li>High-end electronic equipment<\/li>\n\n\n\n<li>Aerospace key components<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\" style=\"margin-top:var(--wp--preset--spacing--70)\">2. Differential pressure airtightness tester<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\">Working Principle<\/h4>\n\n\n\n<p><strong>Differential pressure direct pressure (i.e. differential pressure) airtightness testers are more suitable for open or semi-open products.<\/strong>With the help of highly sensitive differential pressure sensors inside the instrument, it monitors the pressure difference between the tested part and the standard part in real time during the pressure holding process, and immediately determines that there is a leakage problem in the product once the pressure difference is out of the normal range.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" width=\"1000\" height=\"410\" src=\"https:\/\/www.air-tester.com\/wp-content\/uploads\/2024\/08\/5.\u5dee\u538b\u6d4b\u8bd5\u539f\u7406.png\" alt=\"5. Differential Pressure test principle\" class=\"wp-image-2042\" style=\"width:1049px;height:auto\" srcset=\"https:\/\/www.air-tester.com\/wp-content\/uploads\/2024\/08\/5.\u5dee\u538b\u6d4b\u8bd5\u539f\u7406.png 1000w, https:\/\/www.air-tester.com\/wp-content\/uploads\/2024\/08\/5.\u5dee\u538b\u6d4b\u8bd5\u539f\u7406-600x246.png 600w, https:\/\/www.air-tester.com\/wp-content\/uploads\/2024\/08\/5.\u5dee\u538b\u6d4b\u8bd5\u539f\u7406-300x123.png 300w, https:\/\/www.air-tester.com\/wp-content\/uploads\/2024\/08\/5.\u5dee\u538b\u6d4b\u8bd5\u539f\u7406-768x315.png 768w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" title=\"\u5dee\u538b\u5b9a\u91cf\u5f0f\u4e0e\u5dee\u538b\u5f0f\u6c14\u5bc6\u6027\u68c0\u6d4b\u4eea\u884c\u4e1a\u79d1\u666e\uff0c\u5de5\u4e1a\u751f\u4ea7\u4e2d\u7684\u5bc6\u5c01\u536b\u58eb\u63d2\u56fe1\" \/><figcaption class=\"wp-element-caption\"><em>Differential Pressure Airtightness Test Schematic<\/em><\/figcaption><\/figure>\n\n\n\n<p>Key Features:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Very high accuracy: up to 0.1 Pa<\/li>\n\n\n\n<li>High sensitivity and fast response<\/li>\n\n\n\n<li>Suitable for a wide range of product types<\/li>\n\n\n\n<li>Multiple products can be tested at the same time<\/li>\n<\/ul>\n\n\n\n<iframe src=\"\/\/player.bilibili.com\/player.html?isOutside=true&#038;aid=1803358606&#038;bvid=BV1pt421j7mc&#038;cid=1510928629&#038;p=1&#038;autoplay=0\" scrolling=\"no\" border=\"0\" frameborder=\"no\" framespacing=\"0\" allowfullscreen=\"true\" style=\"width:100%;aspect-ratio:16\/9;\"> <\/iframe>\n\n\n\n<p style=\"font-size:15px\">Hardware casting differential pressure airtightness tester, three products at a time, precision resolution 0.001ml\/min<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">Applicable Scenarios<\/h4>\n\n\n\n<p>More suitable for open or semi-open products such as:<\/p>\n\n\n\n<ul style=\"font-size:15px\" class=\"wp-block-list\">\n<li>Auto Parts<\/li>\n\n\n\n<li>Hardware Die Casting<\/li>\n\n\n\n<li>Pipe Connectors<\/li>\n\n\n\n<li>Industrial valves<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading cheese-cake\" style=\"margin-top:var(--wp--preset--spacing--70)\">Second, the core difference between the two detectors<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" style=\"margin-top:var(--wp--preset--spacing--70)\">target of detection<\/h3>\n\n\n\n<p>The Differential Pressure Quantitative Airtightness Tester mainly focuses on the airtightness testing of fully enclosed products, which are like a separate sealed world and need to be verified by precise quantitative pressure testing.<\/p>\n\n\n\n<p>Differential pressure direct pressure airtightness tester is better at dealing with open or semi-open products, and its structural features make direct monitoring of pressure changes an effective way to determine leakage.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" style=\"margin-top:var(--wp--preset--spacing--70)\">Detection Principle<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Differential pressure direct pressure type: Comparative differential pressure change monitoring<\/li>\n\n\n\n<li>Differential pressure quantitative type: Standardized quantitative pressure test<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading cheese-cake\" style=\"margin-top:var(--wp--preset--spacing--70)\">Third, the combination of MES systems and the Internet of Things<\/h2>\n\n\n\n<p>In addition.<strong>Jingcheng Industrial Science and Technology these two differential pressure airtightness tester support MES system, you can remote monitoring and viewing, to achieve intelligent production and operation management.<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img decoding=\"async\" width=\"1000\" height=\"666\" src=\"https:\/\/www.air-tester.com\/wp-content\/uploads\/2024\/12\/qi-mi-xing-jian-ce-yi-mes-gong-ye-tong-xun.png\"  class=\"wp-image-5835\" style=\"width:1043px;height:auto\" srcset=\"https:\/\/www.air-tester.com\/wp-content\/uploads\/2024\/12\/qi-mi-xing-jian-ce-yi-mes-gong-ye-tong-xun.png 1000w, https:\/\/www.air-tester.com\/wp-content\/uploads\/2024\/12\/qi-mi-xing-jian-ce-yi-mes-gong-ye-tong-xun-18x12.png 18w, https:\/\/www.air-tester.com\/wp-content\/uploads\/2024\/12\/qi-mi-xing-jian-ce-yi-mes-gong-ye-tong-xun-600x400.png 600w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" title=\"\u5dee\u538b\u5b9a\u91cf\u5f0f\u4e0e\u5dee\u538b\u5f0f\u6c14\u5bc6\u6027\u68c0\u6d4b\u4eea\u884c\u4e1a\u79d1\u666e\uff0c\u5de5\u4e1a\u751f\u4ea7\u4e2d\u7684\u5bc6\u5c01\u536b\u58eb\u63d2\u56fe2\" alt=\"\u5dee\u538b\u5b9a\u91cf\u5f0f\u4e0e\u5dee\u538b\u5f0f\u6c14\u5bc6\u6027\u68c0\u6d4b\u4eea\u884c\u4e1a\u79d1\u666e\uff0c\u5de5\u4e1a\u751f\u4ea7\u4e2d\u7684\u5bc6\u5c01\u536b\u58eb\u63d2\u56fe2\" \/><figcaption class=\"wp-element-caption\"><em>Gas Tightness Tester MES Industrial Communication<\/em><\/figcaption><\/figure>\n\n\n\n<p>The combination of MES system and Industrial Internet of Things (IOT) will realize the comprehensive monitoring and management of the production process. By connecting the airtightness instrument to the Internet of Things and uploading real-time inspection data to the MES system, the enterprise can realize real-time monitoring, data analysis and quality traceability of the airtightness of the products on the production line, and improve the level of intelligence in production management.<\/p>\n\n\n\n<h2 class=\"wp-block-heading cheese-cake\" style=\"margin-top:var(--wp--preset--spacing--70)\">IV. Development of customized solutions<\/h2>\n\n\n\n<p>Different industries and enterprises have different needs for airtightness testing. Developing customized airtightness testers and testing solutions according to the specific requirements of customers will better meet the market demand and improve the competitiveness of enterprises.<\/p>\n\n\n\n<iframe src=\"\/\/player.bilibili.com\/player.html?isOutside=true&#038;aid=113394921248919&#038;bvid=BV1WcSqYrE25&#038;cid=26531136672&#038;p=1&#038;autoplay=0\" scrolling=\"no\" border=\"0\" frameborder=\"no\" framespacing=\"0\" allowfullscreen=\"true\" style=\"width:100%;aspect-ratio:16\/9;\"> <\/iframe>\n\n\n\n<p style=\"font-size:15px\"><em>Airtightness testing solutions for automotive parts, electronic products, and medical devices<\/em><\/p>\n\n\n\n<p style=\"font-size:15px\"><strong>Precision Engineering is committed to providing customized airtightness solutions to meet the specific needs of different customers.<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading cheese-cake\" style=\"margin-top:var(--wp--preset--spacing--70)\">V. Summary<\/h2>\n\n\n\n<p>Precision Engineering's Differential Pressure series of airtightness testers provide reliable testing solutions for industries such as hardware castings and diving equipment with accuracy and efficiency.<\/p>\n\n\n\n<p><strong>Whether it's high-precision standard leak testing or efficient gas-tightness testing of submersible equipment, Precision Engineering's leak detectors meet the needs and ensure product quality and performance.<\/strong>&nbsp;In the arena of industrial production, it is an indispensable and important role, with technological progress and changing needs, will certainly play a greater role in the future, and continue to escort the quality of products in various industries.<\/p>\n\n\n\n<p><em>To learn more detailed industry testing programs and application cases, please pay attention to [Jingcheng Engineering Airtightness<\/em><\/p>","protected":false},"excerpt":{"rendered":"<p>Airtightness testing is critical in industry, and Precision Engineering's Differential Pressure Quantitative and Differential Pressure testers are suitable for fully enclosed and open products, respectively. Precision Industrial's airtightness testers support MES systems and provide customized solutions to ensure product quality and performance in a variety of industries.<\/p>","protected":false},"author":1,"featured_media":5834,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"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":"","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":""}},"footnotes":""},"categories":[28],"tags":[640,215,416],"class_list":["post-5832","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industrynews","tag-cha-ya-qi-mi-xing-jian-ce-yi","tag-cha-ya-qi-mi-xing-ce-shi-yi","tag-qi-mi-xing-jian-lou-yi"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.air-tester.com\/en\/wp-json\/wp\/v2\/posts\/5832","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.air-tester.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.air-tester.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.air-tester.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.air-tester.com\/en\/wp-json\/wp\/v2\/comments?post=5832"}],"version-history":[{"count":0,"href":"https:\/\/www.air-tester.com\/en\/wp-json\/wp\/v2\/posts\/5832\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.air-tester.com\/en\/wp-json\/wp\/v2\/media\/5834"}],"wp:attachment":[{"href":"https:\/\/www.air-tester.com\/en\/wp-json\/wp\/v2\/media?parent=5832"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.air-tester.com\/en\/wp-json\/wp\/v2\/categories?post=5832"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.air-tester.com\/en\/wp-json\/wp\/v2\/tags?post=5832"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}