{"id":3071,"date":"2022-01-07T14:46:08","date_gmt":"2022-01-07T06:46:08","guid":{"rendered":"http:\/\/www.gzrunhu.com\/en\/?post_type=product&#038;p=3071"},"modified":"2022-06-09T16:55:46","modified_gmt":"2022-06-09T08:55:46","slug":"rh-tqk490-mask-air-permeability-tester","status":"publish","type":"product","link":"http:\/\/www.gzrunhu.com\/en\/product\/rh-tqk490-mask-air-permeability-tester","title":{"rendered":"RH-TQK490 Mask Air Permeability Tester"},"content":{"rendered":"<div class=\"products-intro-change\" style=\"display: block;\">\n<div style=\"width: 640px;\" class=\"wp-video\"><!--[if lt IE 9]><script>document.createElement('video');<\/script><![endif]-->\n<video class=\"wp-video-shortcode\" id=\"video-3071-1\" width=\"640\" height=\"640\" preload=\"metadata\" controls=\"controls\"><source type=\"video\/mp4\" src=\"http:\/\/www.gzrunhu.com\/en\/wp-content\/uploads\/2022\/01\/RH-TQK490-Mask-Air-Permeability-Tester.mp4?_=1\" \/><a href=\"http:\/\/www.gzrunhu.com\/en\/wp-content\/uploads\/2022\/01\/RH-TQK490-Mask-Air-Permeability-Tester.mp4\">http:\/\/www.gzrunhu.com\/en\/wp-content\/uploads\/2022\/01\/RH-TQK490-Mask-Air-Permeability-Tester.mp4<\/a><\/video><\/div>\n<h1 style=\"text-align: center;\"><\/h1>\n<h1 style=\"text-align: center;\">RH-TQK490 Mask Air Permeability Tester<\/h1>\n<p><img loading=\"lazy\" class=\"aligncenter wp-image-3073 size-full\" src=\"http:\/\/www.gzrunhu.com\/en\/wp-content\/uploads\/2022\/01\/rh-tq490.jpg\" alt=\"\" width=\"1000\" height=\"820\" srcset=\"http:\/\/www.gzrunhu.com\/en\/wp-content\/uploads\/2022\/01\/rh-tq490.jpg 1000w, http:\/\/www.gzrunhu.com\/en\/wp-content\/uploads\/2022\/01\/rh-tq490-300x246.jpg 300w, http:\/\/www.gzrunhu.com\/en\/wp-content\/uploads\/2022\/01\/rh-tq490-768x630.jpg 768w, http:\/\/www.gzrunhu.com\/en\/wp-content\/uploads\/2022\/01\/rh-tq490-600x492.jpg 600w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/><\/p>\n<div class=\"products-intro-change\" style=\"display: block;\">\n<h4><span style=\"color: #3366ff;\"><strong><b>Introduction<\/b><\/strong><strong><b>:<\/b><\/strong><\/span><\/h4>\n<hr style=\"border: 0.5px solid #0271b7;\" \/>\n<p>RH-TQK490 Mask Air Permeability Tester is using the latest technology.\u00a0It is an ideal instrument for testing air permeability of various masks, leather, cloth, fabric, paper, cardboard or other sheet objects.\u00a0RH-TQK490 Mask Air Permeability Tester is a fully integrated automatic instrument.<\/p>\n<\/div>\n<\/div>\n<p>&nbsp;<\/p>\n<h4><span style=\"color: #3366ff;\"><strong><b>Standards:<\/b><\/strong><\/span><\/h4>\n<hr style=\"border: 0.5px solid #0271b7;\" \/>\n<p>YY0469-2011\u201cMedical surgical masks\u201d, YY\/T 0969-2013 \u201cDisposable medical\u00a0surgical masks\u201d, EN 14683:2019 ISO9237, GB\/T458, ISO5636\/2, QB\/T1667, GB\/T22819, GB\/T23227, ISO2965, YC\/T172, GB\/T12655, EN\u00a014683:2019\u00a0\u201cMedical face marks \u2013\u00a0Requirements and test methods\u201d, T\/CNTAC\u00a055\u20142020, T\/CNITA\u00a009104\u20142020, etc.<\/p>\n<h4><\/h4>\n<h4><span style=\"color: #3366ff;\"><strong><b>Working Principle:<\/b><\/strong><\/span><\/h4>\n<hr style=\"border: 0.5px solid #0271b7;\" \/>\n<p><strong><b>Principle of fabric permeability test:<\/b><\/strong><\/p>\n<p>According to the principle of pressure difference method, place the pre-processed sample between the upper and lower test heads. A constant pressure difference is formed on both sides of the sample. Under the action of pressure difference, the air flows from the upper test head through the sample to the lower test head, and the air permeability of the sample is calculated according to the area, pressure difference and flow rate of the sample.<\/p>\n<p>&nbsp;<\/p>\n<p><strong><b>Principle of <\/b><\/strong><strong><b>mask<\/b><\/strong><strong><b>\u00a0resistance test<\/b><\/strong><strong><b>:<\/b><\/strong><\/p>\n<p>Measured the pressure difference between the two sides of the sample is by passing 8 L \/ min of air.<\/p>\n<div class=\"products-intro-change\" style=\"display: block;\">\n<div class=\"products-intro-change\" style=\"display: block;\">\n<p>&nbsp;<\/p>\n<\/div>\n<\/div>\n<div class=\"products-intro-change\" style=\"display: block;\">\n<h4><span style=\"color: #3366ff;\"><strong><b>Technical Parameters:<\/b><\/strong><\/span><\/h4>\n<hr style=\"border: 0.5px solid #0271b7;\" \/>\n<p><strong style=\"color: #3366ff; font-size: 20.8px;\"><b>\u00a0<\/b><\/strong><\/p>\n<table>\n<tbody>\n<tr>\n<td style=\"text-align: center;\" width=\"295\">Measure Range<\/td>\n<td width=\"567\">\n<p style=\"text-align: center;\">0\uff5e400L\/dm\u00b2\/min, 0~200\u00a0(Pa\/\u00a0cm\u00b2),0.01\uff5e600mm\/s<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td width=\"295\">\n<p style=\"text-align: center;\">Unit<\/p>\n<\/td>\n<td style=\"text-align: center;\" width=\"567\">Pa\/\u00a0cm\u00b2 \u00a0\u00a0Pa \u00a0L\/dm\u00b2\/min \u00a0\u03bcm\/(Pa\u2022s) \u00a0mm\/s \u00a0\u00a0m\/s<\/td>\n<\/tr>\n<tr>\n<td width=\"295\">\n<p style=\"text-align: center;\">Accuracy<\/p>\n<\/td>\n<td width=\"567\">\n<p style=\"text-align: center;\">0.01\u00a0(Pa\/\u00a0cm\u00b2) \u00a00.1Pa \u00a00.01 \u00a0L\/dm\u00b2\/min<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\" width=\"295\">Linear Error<\/td>\n<td width=\"567\">\n<p style=\"text-align: center;\">&lt;1%<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\" width=\"295\">Measuring Area<\/td>\n<td width=\"567\">\n<p style=\"text-align: center;\">4.9cm\u00b2<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\" width=\"295\">Air Flow Rate (Mask Test)<\/td>\n<td width=\"567\">\n<p style=\"text-align: center;\">8L\/min<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\" width=\"295\">Pressure Difference<\/td>\n<td width=\"567\">\n<p style=\"text-align: center;\">0kPa\uff5e2kPa<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td width=\"295\">\n<p style=\"text-align: center;\">Weights<\/p>\n<\/td>\n<td style=\"text-align: center;\" width=\"567\">About 25kg<\/td>\n<\/tr>\n<tr>\n<td width=\"295\">\n<p style=\"text-align: center;\">Dimensions<\/p>\n<\/td>\n<td style=\"text-align: center;\" width=\"567\">420\u00d7340\u00d7450 mm<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\" width=\"295\">Power<\/td>\n<td width=\"567\">\n<p style=\"text-align: center;\">AC110~240V<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\" width=\"295\">Display<\/td>\n<td width=\"567\">\n<p style=\"text-align: center;\">Touch screen in English display<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><strong style=\"color: #3366ff; font-size: 20.8px;\"><b>Product Features:\u00a0<\/b><\/strong><\/p>\n<\/div>\n<div class=\"products-intro-change\" style=\"display: block;\">\n<hr style=\"border: 0.5px solid #0271b7;\" \/>\n<ol>\n<li>Using US computer chip andstepper motor, coupled with reasonable design precision machining, to ensure the equipment is of high accuracy and repeatability. The calibration of the pressure sensor and flow is traceable.<\/li>\n<li>The instrument uses microcomputer technology, the test process is fully automated,fast and accurate. Touch-screendisplay results, and data recording and processing functions, with printing output.<\/li>\n<li>This instrument has the high superiority. It can set the higher pressure difference for the paper with the lower permeability, and set the lower pressure difference for the paper with the higher permeability, easily and accurately measure the result.<\/li>\n<li>The test of the permeability tester is automatic and fast, and the accuracy of the test results is guaranteed.This instrument effectively avoids these problems such as mishandling or low reproduction rate of test results.<\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<\/div>\n<div class=\"products-intro-change\" style=\"display: block;\">\n<div class=\"products-intro-change\" style=\"display: block;\">\n<h4><span style=\"color: #3366ff;\"><strong><b>Third Party Measurement Certificate:<\/b><\/strong><\/span><\/h4>\n<\/div>\n<div class=\"products-intro-change\" style=\"display: block;\">\n<hr style=\"border: 0.5px solid #0271b7;\" \/>\n<\/div>\n<\/div>\n<h4><img loading=\"lazy\" class=\"aligncenter size-full wp-image-3075\" src=\"http:\/\/www.gzrunhu.com\/en\/wp-content\/uploads\/2022\/01\/006.png\" alt=\"\" width=\"2000\" height=\"1866\" srcset=\"http:\/\/www.gzrunhu.com\/en\/wp-content\/uploads\/2022\/01\/006.png 2000w, http:\/\/www.gzrunhu.com\/en\/wp-content\/uploads\/2022\/01\/006-300x280.png 300w, http:\/\/www.gzrunhu.com\/en\/wp-content\/uploads\/2022\/01\/006-1024x955.png 1024w, http:\/\/www.gzrunhu.com\/en\/wp-content\/uploads\/2022\/01\/006-768x717.png 768w, http:\/\/www.gzrunhu.com\/en\/wp-content\/uploads\/2022\/01\/006-1536x1433.png 1536w, http:\/\/www.gzrunhu.com\/en\/wp-content\/uploads\/2022\/01\/006-600x560.png 600w\" sizes=\"(max-width: 2000px) 100vw, 2000px\" \/><\/h4>\n<p>&nbsp;<\/p>\n<div class=\"products-intro-change\" style=\"display: block;\">\n<div class=\"products-intro-change\" style=\"display: block;\">\n<h4><span style=\"color: #3366ff;\"><strong><b>About Runhu:<\/b><\/strong><\/span><\/h4>\n<\/div>\n<div class=\"products-intro-change\" style=\"display: block;\">\n<hr style=\"border: 0.5px solid #0271b7;\" \/>\n<\/div>\n<h4><img loading=\"lazy\" class=\"aligncenter size-full wp-image-2924\" src=\"http:\/\/www.gzrunhu.com\/en\/wp-content\/uploads\/2021\/12\/001-scaled.jpg\" alt=\"\" width=\"2554\" height=\"2560\" srcset=\"http:\/\/www.gzrunhu.com\/en\/wp-content\/uploads\/2021\/12\/001-scaled.jpg 2554w, http:\/\/www.gzrunhu.com\/en\/wp-content\/uploads\/2021\/12\/001-300x300.jpg 300w, http:\/\/www.gzrunhu.com\/en\/wp-content\/uploads\/2021\/12\/001-1022x1024.jpg 1022w, http:\/\/www.gzrunhu.com\/en\/wp-content\/uploads\/2021\/12\/001-150x150.jpg 150w, http:\/\/www.gzrunhu.com\/en\/wp-content\/uploads\/2021\/12\/001-768x770.jpg 768w, http:\/\/www.gzrunhu.com\/en\/wp-content\/uploads\/2021\/12\/001-1533x1536.jpg 1533w, http:\/\/www.gzrunhu.com\/en\/wp-content\/uploads\/2021\/12\/001-2043x2048.jpg 2043w, http:\/\/www.gzrunhu.com\/en\/wp-content\/uploads\/2021\/12\/001-600x601.jpg 600w, http:\/\/www.gzrunhu.com\/en\/wp-content\/uploads\/2021\/12\/001-100x100.jpg 100w\" sizes=\"(max-width: 2554px) 100vw, 2554px\" \/><\/h4>\n<p>Guangzhou Runhu Instrument Co., Ltd. is a professional instrumentation company consisting of research, production, sales, and technical service. As a high-tech company, Runhu\u2019s main production includes professional testing equipment and facilities of paper, packaging, printing, plastic film and tobacco sheet. The headquarters of the company locates in Tianan Energy-saving Technology Park, Panyu District, Guangzhou.<\/p>\n<p>Runhu has a research team formed by several top technical professionals of the country. Its core innovational concept is to develop more advanced and more precise instruments. And it has developed a multi-series of high-quality and patented products. The quality of its main products (such as compression tester, bursting strength meter, tear tester, paper stiffness device, paper tensile testing machine, tobacco filled level detector, etc.) is of the leading technical level in the country better than many domestic counterparts and has reached an international advanced level. Some other products (such as grooves instrument, cardboard layer with strength meter, crease stiffness device, thin water-resistant device, etc.) has filled the domestic production gap.<\/p>\n<p><img loading=\"lazy\" class=\"aligncenter size-full wp-image-2927\" src=\"http:\/\/www.gzrunhu.com\/en\/wp-content\/uploads\/2021\/12\/004-scaled.jpg\" alt=\"\" width=\"2560\" height=\"1468\" srcset=\"http:\/\/www.gzrunhu.com\/en\/wp-content\/uploads\/2021\/12\/004-scaled.jpg 2560w, http:\/\/www.gzrunhu.com\/en\/wp-content\/uploads\/2021\/12\/004-300x172.jpg 300w, http:\/\/www.gzrunhu.com\/en\/wp-content\/uploads\/2021\/12\/004-1024x587.jpg 1024w, http:\/\/www.gzrunhu.com\/en\/wp-content\/uploads\/2021\/12\/004-768x440.jpg 768w, http:\/\/www.gzrunhu.com\/en\/wp-content\/uploads\/2021\/12\/004-1536x881.jpg 1536w, http:\/\/www.gzrunhu.com\/en\/wp-content\/uploads\/2021\/12\/004-2048x1174.jpg 2048w, http:\/\/www.gzrunhu.com\/en\/wp-content\/uploads\/2021\/12\/004-600x344.jpg 600w\" sizes=\"(max-width: 2560px) 100vw, 2560px\" \/><\/p>\n<p>Runhu has invested its own research and development center, independent mechanical plant, assembly lines and product quality inspection workshop. There are advanced production and testing equipment in the factory. Through scientific and strict management, product quality is ensured and thus reliable.<\/p>\n<p>Runhu\u2019s philosophy is &#8220;Quality first, Customer first&#8221; that aims at providing customers with excellent quality, full-featured products. Over the years, our products win users alike by its full functions, reasonable structure, simple manipulation, stable performance, and accurate data. Our market includes China, Southeast Asia, South Asia, Middle East, Russia, Europe, Africa, North America, South America, Australia\u00a0and other countries and regions. We will keep making the greatest effort\u00a0in improving the quality of our products and after-sales service. Products sold are warranted\u00a0life-long maintenance\u00a0service. For the convenience of customers, the company will also provide customers with equipment supplies and spare parts.<\/p>\n<p>Focusing on domestic market\u00a0and striving to expand international market, our company is\u00a0on the way\u00a0to be\u00a0one of the\u00a0largest and best\u00a0international equipment manufacturing enterprises.<\/p>\n<p>&nbsp;<\/p>\n<h4><span style=\"color: #3366ff;\"><strong><b>Inventory:<\/b><\/strong><\/span><\/h4>\n<hr style=\"border: 0.5px solid #0271b7;\" \/>\n<h2 style=\"text-align: center;\"><strong><img loading=\"lazy\" class=\"aligncenter size-full wp-image-2925\" src=\"http:\/\/www.gzrunhu.com\/en\/wp-content\/uploads\/2021\/12\/002-scaled.jpg\" alt=\"\" width=\"2560\" height=\"1920\" srcset=\"http:\/\/www.gzrunhu.com\/en\/wp-content\/uploads\/2021\/12\/002-scaled.jpg 2560w, http:\/\/www.gzrunhu.com\/en\/wp-content\/uploads\/2021\/12\/002-300x225.jpg 300w, http:\/\/www.gzrunhu.com\/en\/wp-content\/uploads\/2021\/12\/002-1024x768.jpg 1024w, http:\/\/www.gzrunhu.com\/en\/wp-content\/uploads\/2021\/12\/002-768x576.jpg 768w, http:\/\/www.gzrunhu.com\/en\/wp-content\/uploads\/2021\/12\/002-1536x1152.jpg 1536w, http:\/\/www.gzrunhu.com\/en\/wp-content\/uploads\/2021\/12\/002-2048x1536.jpg 2048w, http:\/\/www.gzrunhu.com\/en\/wp-content\/uploads\/2021\/12\/002-600x450.jpg 600w\" sizes=\"(max-width: 2560px) 100vw, 2560px\" \/><\/strong><\/h2>\n<h2><\/h2>\n<h4><span style=\"color: #3366ff;\"><strong><b>Production Facilities:<\/b><\/strong><\/span><\/h4>\n<hr style=\"border: 0.5px solid #0271b7;\" \/>\n<\/div>\n<p><!--more--><\/p>\n<p><!--more--><\/p>\n<p><!--more--><\/p>\n<p><!--more--><\/p>\n<h1 style=\"text-align: center;\"><\/h1>\n<p><img loading=\"lazy\" class=\"aligncenter size-full wp-image-2926\" src=\"http:\/\/www.gzrunhu.com\/en\/wp-content\/uploads\/2021\/12\/003-scaled.jpg\" alt=\"\" width=\"2560\" height=\"1830\" srcset=\"http:\/\/www.gzrunhu.com\/en\/wp-content\/uploads\/2021\/12\/003-scaled.jpg 2560w, http:\/\/www.gzrunhu.com\/en\/wp-content\/uploads\/2021\/12\/003-300x214.jpg 300w, http:\/\/www.gzrunhu.com\/en\/wp-content\/uploads\/2021\/12\/003-1024x732.jpg 1024w, http:\/\/www.gzrunhu.com\/en\/wp-content\/uploads\/2021\/12\/003-768x549.jpg 768w, http:\/\/www.gzrunhu.com\/en\/wp-content\/uploads\/2021\/12\/003-1536x1098.jpg 1536w, http:\/\/www.gzrunhu.com\/en\/wp-content\/uploads\/2021\/12\/003-2048x1464.jpg 2048w, http:\/\/www.gzrunhu.com\/en\/wp-content\/uploads\/2021\/12\/003-600x429.jpg 600w\" sizes=\"(max-width: 2560px) 100vw, 2560px\" \/><u><\/u><\/p>\n<p><strong style=\"color: #3366ff; font-size: 20.8px;\"><b>Qualification Certificate &amp; Patents:<\/b><\/strong><\/p>\n<div class=\"products-intro-change\" style=\"display: block;\">\n<hr style=\"border: 0.5px solid #0271b7;\" \/>\n<div class=\"productsTags\">\n<h1><\/h1>\n<\/div>\n<\/div>\n<div class=\"productsTags\"><img loading=\"lazy\" class=\"aligncenter size-full wp-image-2989\" src=\"http:\/\/www.gzrunhu.com\/en\/wp-content\/uploads\/2021\/08\/\u8bc1\u4e66.jpg\" alt=\"\" width=\"1624\" height=\"1177\" srcset=\"http:\/\/www.gzrunhu.com\/en\/wp-content\/uploads\/2021\/08\/\u8bc1\u4e66.jpg 1624w, http:\/\/www.gzrunhu.com\/en\/wp-content\/uploads\/2021\/08\/\u8bc1\u4e66-300x217.jpg 300w, http:\/\/www.gzrunhu.com\/en\/wp-content\/uploads\/2021\/08\/\u8bc1\u4e66-1024x742.jpg 1024w, http:\/\/www.gzrunhu.com\/en\/wp-content\/uploads\/2021\/08\/\u8bc1\u4e66-768x557.jpg 768w, http:\/\/www.gzrunhu.com\/en\/wp-content\/uploads\/2021\/08\/\u8bc1\u4e66-1536x1113.jpg 1536w, http:\/\/www.gzrunhu.com\/en\/wp-content\/uploads\/2021\/08\/\u8bc1\u4e66-600x435.jpg 600w\" sizes=\"(max-width: 1624px) 100vw, 1624px\" \/><\/div>\n<div>\n<div class=\"products-intro-change\" style=\"display: block;\">\n<div class=\"productsTags\">\n<h1><\/h1>\n<h1 style=\"text-align: left;\"><strong style=\"color: #3366ff; font-size: 20.8px;\"><b>Packing &amp; Delivery:<\/b><\/strong><\/h1>\n<hr style=\"border: 0.5px solid #0271b7;\" \/>\n<\/div>\n<\/div>\n<div class=\"productsTags\">\n<dl class=\"do-entry-item\"><\/dl>\n<dl class=\"do-entry-item\">\n<dt class=\"do-entry-item-key\" title=\"Port\"><img loading=\"lazy\" class=\"aligncenter size-full wp-image-2928\" style=\"font-style: inherit; font-weight: inherit;\" src=\"http:\/\/www.gzrunhu.com\/en\/wp-content\/uploads\/2021\/12\/005-scaled.jpg\" alt=\"\" width=\"2560\" height=\"2054\" srcset=\"http:\/\/www.gzrunhu.com\/en\/wp-content\/uploads\/2021\/12\/005-scaled.jpg 2560w, http:\/\/www.gzrunhu.com\/en\/wp-content\/uploads\/2021\/12\/005-300x241.jpg 300w, http:\/\/www.gzrunhu.com\/en\/wp-content\/uploads\/2021\/12\/005-1024x822.jpg 1024w, http:\/\/www.gzrunhu.com\/en\/wp-content\/uploads\/2021\/12\/005-768x616.jpg 768w, http:\/\/www.gzrunhu.com\/en\/wp-content\/uploads\/2021\/12\/005-1536x1232.jpg 1536w, http:\/\/www.gzrunhu.com\/en\/wp-content\/uploads\/2021\/12\/005-2048x1643.jpg 2048w, http:\/\/www.gzrunhu.com\/en\/wp-content\/uploads\/2021\/12\/005-600x481.jpg 600w\" sizes=\"(max-width: 2560px) 100vw, 2560px\" \/><\/dt>\n<\/dl>\n<\/div>\n<p>&nbsp;<\/p>\n<\/div>\n<div class=\"products-intro-change\" style=\"display: block;\">\n<div class=\"productsTags\">\n<h1><\/h1>\n<h1 style=\"text-align: left;\"><strong style=\"color: #3366ff; font-size: 20.8px;\"><b>Our Services:<\/b><\/strong><\/h1>\n<hr style=\"border: 0.5px solid #0271b7;\" \/>\n<\/div>\n<\/div>\n<div class=\"productsTags\">\n<ol>\n<li><span class=\"attr-name J-attr-name\" title=\"Warranty\" data-spm-anchor-id=\"a2700.details.0.i26.79a372e4Xq5lj3\">Warranty: <\/span>1 year<\/li>\n<li>Customized support: OEM, ODM, OBM<\/li>\n<li>Each instruments must be carried out 100% quality examination and test when shipping anddelivery goods.<\/li>\n<li>Product use training, each of our product provide video training to show you how to install &amp; operate.<\/li>\n<\/ol>\n<div class=\"products-intro-change\" style=\"display: block;\">\n<div class=\"productsTags\">\n<h1 style=\"text-align: left;\"><strong style=\"color: #3366ff; font-size: 20.8px;\"><b>Contact Us:<\/b><\/strong><\/h1>\n<hr style=\"border: 0.5px solid #0271b7;\" \/>\n<\/div>\n<\/div>\n<div class=\"productsTags\"><\/div>\n<p>Add: Room 411, 412, Bldg. 15, Tian&#8217;an Efficient Technology Park Headquarter Building, No. 555, North Of Panyu Road, Panyu Dist, Guang zhou, Guang dong, China (Mainland)<\/p>\n<p>Post Code: 511400<\/p>\n<p>Tel: +86-18620144017 \/ +86-020-39388933 \/ +86 13622844948<\/p>\n<p>Fax: +86-020-39388933<\/p>\n<p>E-mail: <a href=\"mailto:runhuyiqi@126.com\">runhuyiqi@126.com <\/a><\/p>\n<p>Web: www.gzrunhu.com\/en\/<\/p>\n<p>QQ: 503683921 \/ 7291919<\/p>\n<p>Wechat: 18620144017 \/ 13622844948<\/p>\n<p>Whatsapp: +86 18620144017 \/ +86 13622844948<\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<div class=\"products-intro-change\" style=\"display: block;\">\n<div class=\"products-intro-change\" style=\"display: block;\">\n<p>RH-TQK490 Mask Air Permeability Tester is an ideal instrument for testing air permeability of various masks, leather, cloth, fabric, paper, cardboard or other sheet objects.<\/p>\n<\/div>\n<\/div>\n<p><span style=\"color: #ff0000;\">Inventory: In stock<\/span><\/p>\n<p><span style=\"color: #ff0000;\">Reference Price:<\/span> <a href=\"mailto:runhuyiqi@126.com\">Get Latest Price<\/a><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"featured_media":3074,"template":"","meta":{"tpgb_global_settings":"","_themeisle_gutenberg_block_has_review":false,"_ti_tpc_template_sync":false,"_ti_tpc_template_id":""},"product_cat":[77,64],"product_tag":[],"tpgb_featured_images":{"full":["http:\/\/www.gzrunhu.com\/en\/wp-content\/uploads\/2022\/01\/rh-tq490\u6b63\u65b9\u5f62.jpg",777,777,false],"tp-image-grid":["http:\/\/www.gzrunhu.com\/en\/wp-content\/uploads\/2022\/01\/rh-tq490\u6b63\u65b9\u5f62-700x700.jpg",700,700,true],"thumbnail":["http:\/\/www.gzrunhu.com\/en\/wp-content\/uploads\/2022\/01\/rh-tq490\u6b63\u65b9\u5f62-150x150.jpg",150,150,true],"medium":["http:\/\/www.gzrunhu.com\/en\/wp-content\/uploads\/2022\/01\/rh-tq490\u6b63\u65b9\u5f62-300x300.jpg",300,300,true],"medium_large":["http:\/\/www.gzrunhu.com\/en\/wp-content\/uploads\/2022\/01\/rh-tq490\u6b63\u65b9\u5f62-768x768.jpg",768,768,true],"large":["http:\/\/www.gzrunhu.com\/en\/wp-content\/uploads\/2022\/01\/rh-tq490\u6b63\u65b9\u5f62.jpg",777,777,false],"default":"http:\/\/www.gzrunhu.com\/en\/wp-content\/plugins\/the-plus-addons-for-block-editor\/assets\/images\/tpgb-placeholder.jpg"},"tpgb_post_meta_info":{"get_date":"January 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