{"id":2899,"date":"2026-02-05T01:35:00","date_gmt":"2026-02-05T01:35:00","guid":{"rendered":"https:\/\/www.materialstests.com\/products\/tqd-01-air-permeance-tester\/"},"modified":"2026-02-05T01:35:00","modified_gmt":"2026-02-05T01:35:00","slug":"tqd-01-air-permeance-tester","status":"publish","type":"products","link":"https:\/\/www.materialstests.com\/it\/products\/tqd-01-air-permeance-tester.html","title":{"rendered":"TQD-01 Tester di permeabilit\u00e0 all'aria"},"content":{"rendered":"<h2>1. Introduction of TQD-01 Air Permeance Tester<\/h2>\n<p><strong>TQD-01 Tester di permeabilit\u00e0 all'aria<\/strong>\u00a0is used to determine the air permeance of paper and board in the medium air permeance range using the Schopper method.<\/p>\n<p>The method is applicable to papers and boards having air permeances between1\u00d710-2~1\u00d710\u00b2um\/\uff08Pa.S\uff09. The method is unsuitable for rough surfaced papers and boards, such as creped and corrugated papers, which cannot be securely clamped to avoid leakage.<\/p>\n<p><strong>TQD-01 Tester di permeabilit\u00e0 all'aria<\/strong>\u00a0can also be used for other materials such as Cement bag paper, paper bag paper, cable paper, copy paper, industrial filter paper, etc.<\/p>\n<p><strong>Air permeance:\u00a0<\/strong><\/p>\n<p>Air permeance is the mean flow of air through unit area under unit pressure difference in unit time, under specified conditions.<\/p>\n<p>Air permeance is expressed in micrometres per pascal second [1 \u03bcm\/(Pa\u00b7s)=1mL\/(m\u00b2\u00b7Pa\u00b7s)].<\/p>\n<p>&nbsp;<\/p>\n<h2>2. Advantages of the TQD-01:<\/h2>\n<p>High resolution<br \/>\nUses a classic spectrometer principle<br \/>\nCan test flammable, toxic, and explosive substances<br \/>\nHas a large temperature range<\/p>\n<p>&nbsp;<\/p>\n<h2>3. Principio<\/h2>\n<p>Clamping a test piece between two airtight circular gaskets of known dimensions, with the absolute air pressure on one side of the test area of the test piece equivalent to atmospheric pressure and the difference in pressure between the two sides of the test piece maintained at a small but substantially constant value during the test. Determination of the flow of air through the test area in a specified time.<\/p>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone size-medium wp-image-348\" src=\"https:\/\/www.materialstests.com\/wp-content\/uploads\/2025\/12\/TQD-01-Air-Permeance-Tester-300x300.jpg\" alt=\"TQD-01 Tester di permeabilit\u00e0 all&#039;aria\" width=\"300\" height=\"300\" srcset=\"https:\/\/www.materialstests.com\/wp-content\/uploads\/2025\/12\/TQD-01-Air-Permeance-Tester-300x300.jpg 300w, https:\/\/www.materialstests.com\/wp-content\/uploads\/2025\/12\/TQD-01-Air-Permeance-Tester-150x150.jpg 150w, https:\/\/www.materialstests.com\/wp-content\/uploads\/2025\/12\/TQD-01-Air-Permeance-Tester-768x768.jpg 768w, https:\/\/www.materialstests.com\/wp-content\/uploads\/2025\/12\/TQD-01-Air-Permeance-Tester-600x600.jpg 600w, https:\/\/www.materialstests.com\/wp-content\/uploads\/2025\/12\/TQD-01-Air-Permeance-Tester-100x100.jpg 100w, https:\/\/www.materialstests.com\/wp-content\/uploads\/2025\/12\/TQD-01-Air-Permeance-Tester.jpg 800w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/p>\n<h2>4. Specifiche tecniche<\/h2>\n<div class=\"table\">\n<table style=\"height: 185px\" width=\"1218\">\n<colgroup>\n<col \/>\n<col \/><\/colgroup>\n<tbody>\n<tr>\n<td>Campo di prova<\/td>\n<td>1\uff5e1000\uff09ml\/min or 0~17um\/(Pa.s)<\/td>\n<\/tr>\n<tr>\n<td>Area di prova<\/td>\n<td>10\u00b10.2cm\u00b2<\/td>\n<\/tr>\n<tr>\n<td>Test Area Pressure Difference<\/td>\n<td>1\u00b10.01kpa<\/td>\n<\/tr>\n<tr>\n<td>Precisione<\/td>\n<td>&lt;100ml volume error 1ml<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td>&gt;100ml volume error 5ml<\/td>\n<\/tr>\n<tr>\n<td>Clamp Ring Inner Diameter<\/td>\n<td>35.68\u00b10.05mm<\/td>\n<\/tr>\n<tr>\n<td>Clamp Rings Center Coaxiality<\/td>\n<td>&lt;0.05mm<\/td>\n<\/tr>\n<tr>\n<td>Dimensioni<\/td>\n<td>400*300*1200mm<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p>&nbsp;<\/p>\n<h2>5. Norme<\/h2>\n<p>ISO 5636-2, ISO 5636-3, ISO 5636-5, GB\/T 458, QB\/ 1667<\/p>\n<p>&nbsp;<\/p>\n<p>Per qualsiasi domanda sul prodotto, non esitate a\u00a0<a href=\"https:\/\/www.materialstests.com\/it\/contact-us.html\/\">contattateci<\/a>,\u00a0<a href=\"https:\/\/www.materialstests.com\/it\/\">Cell Instruments<\/a>\u00a0vi dar\u00e0 una soluzione soddisfacente.<\/p>\n<p><a href=\"https:\/\/www.materialstests.com\/it\/products.html\/\"><img decoding=\"async\" title=\"TQD-01 Tester di permeabilit\u00e0 all&#039;aria\" src=\"https:\/\/image.chukouplus.com\/upload\/C_4083\/file\/20240222\/27e953cb0f80291dd9c5ea583ae534bc.png?1\" alt=\"TQD-01 Tester di permeabilit\u00e0 all&#039;aria\" \/><\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>1. Introduction of TQD-01 Air Permeance Tester TQD-01 Air Permeance Tester\u00a0is used to determine the air permeance of paper and board in the medium air permeance range using the Schopper method. The method is applicable to papers and boards having air permeances between1\u00d710-2~1\u00d710\u00b2um\/\uff08Pa.S\uff09. The method is unsuitable for rough surfaced papers and boards, such as [&hellip;]<\/p>","protected":false},"featured_media":0,"parent":0,"template":"","meta":{"_acf_changed":false},"products-categories":[1468],"productstags":[],"class_list":["post-2899","products","type-products","status-publish","hentry","products-categories-paper-board-tester"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.materialstests.com\/it\/wp-json\/wp\/v2\/products\/2899","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.materialstests.com\/it\/wp-json\/wp\/v2\/products"}],"about":[{"href":"https:\/\/www.materialstests.com\/it\/wp-json\/wp\/v2\/types\/products"}],"version-history":[{"count":0,"href":"https:\/\/www.materialstests.com\/it\/wp-json\/wp\/v2\/products\/2899\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.materialstests.com\/it\/wp-json\/wp\/v2\/media?parent=2899"}],"wp:term":[{"taxonomy":"products-categories","embeddable":true,"href":"https:\/\/www.materialstests.com\/it\/wp-json\/wp\/v2\/products-categories?post=2899"},{"taxonomy":"productstags","embeddable":true,"href":"https:\/\/www.materialstests.com\/it\/wp-json\/wp\/v2\/productstags?post=2899"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}