[scope of application] Suitable for measuring the thickness of various nonwovens under a specific pressure. Can be used by the nonwovens industry, inspection departments and scientific research units. Balance type nonwovens thickness tester under 20mm, and tip type nonwovens thickness tester above 20mm. [meet a criterion] GB/T24218.2-2009 Test methods for textile nonwovens- -Part 2: Determination of the thickness