ISO 9073-2 method A testing: the specifications that decide the fit

The Digital Thickness Gauge (TNG1089) and Fabric Thickness Tester (TNG1094) are designed to meet the requirements of ISO 9073-2 method A, ensuring accurate and repeatable thickness measurements for textile materials.

Understanding Specification Tables

Reading a specification table is essential for ensuring that an instrument meets the required standards. For instance, the measuring accuracy of the Digital Thickness Gauge (TNG1089) is specified as 0.01mm, which directly influences the precision of the thickness measurement. This level of accuracy is crucial for ISO 9073-2 method A, where small variations in thickness can significantly impact the final product quality. The lowering speed of the pressing foot is set at 1.72 mm/s, which ensures that the test is conducted under controlled conditions, minimizing external variables that could affect the measurement.

Instrument Specifications and Their Role in Testing

The area of the pressing foot is another critical specification. The TNG1089 offers options of 100mm², 2000mm², 2500mm², and 10000mm², allowing users to select the appropriate size based on the material being tested. A smaller pressing area is suitable for fine fabrics, while a larger area is used for thicker materials. This flexibility ensures that the test results are representative of the material's true thickness. Additionally, the load weight options, such as 2cN x 2, 5cN x 1, 10cN x 2, provide the necessary force to compress the material without causing damage. The correct load weight is essential for obtaining consistent and reliable measurements as per ISO 9073-2 method A.

Ensuring Compliance with ISO 9073-2 Method A

The pressing duration of 10s or 30s is another key parameter. This setting ensures that the material is compressed for a sufficient time to achieve a stable reading. The TNG1094, like the TNG1089, includes similar specifications, making it suitable for a wide range of textile testing applications. Both instruments are designed to provide accurate and repeatable results, which are essential for compliance with ISO 9073-2 method A. By adhering to these specifications, users can ensure that their test results are both reliable and comparable with industry standards.

Instrument models referenced

• TNG1089 Digital Thickness Gauge (Fineness / Thickness / Length / Density Testing).
• TNG1094 Fabric Thickness Tester(Gauge) /B (Fineness / Thickness / Length / Density Testing).