ASTM D1907 testing: the specifications that decide the fit

The Wrap Reel /B (TNG1090) is a critical instrument for performing tests in accordance with ASTM D1907, ensuring accurate measurement of fiber properties such as fineness, thickness, length, and density.

Understanding Specification Tables

Reading a specification table is essential for selecting the right instrument for a given standard. Each label and value pair provides specific information about the instrument's capabilities and limitations. For example, the TNG1090 has a power supply of 220/110 V at 50/60 Hz, which ensures compatibility with various electrical systems worldwide. This specification is crucial because it helps ensure that the instrument can be used in different laboratory environments without requiring additional power conversion equipment, thus maintaining test consistency and reliability.

Another important specification is the length of the instrument, which is 900 mm. This dimension is significant because it affects the physical setup of the test. A longer instrument may be necessary for handling longer samples or for providing more space for sample preparation, while a shorter one might be more suitable for compact laboratory spaces. The 900 mm length of the TNG1090 allows for a balanced setup that accommodates standard sample sizes while ensuring ease of use and accessibility.

Compliance with ASTM D1907

The TNG1090 is designed to meet the requirements of ASTM D1907, which is a standard for determining the fineness, thickness, length, and density of fibers. One of the key specifications that aligns with this standard is the ISO 2060 reference, which is used for ASTM D1907 Step 1. This specification ensures that the instrument is calibrated and operates according to the methodologies outlined in the standard, providing accurate and repeatable results.

The weight capacity of the TNG1090 is listed as 45 kg, which is an important factor in the testing process. This specification indicates the maximum load the instrument can handle, ensuring that it can manage the weight of the samples and any additional equipment without compromising accuracy or safety. A higher weight capacity allows for the testing of heavier samples, which may be necessary for certain types of fibers or when conducting extended tests.

Instrument Specifications and Test Setup

The specifications of the TNG1090 are not just numerical values; they are integral to the test setup and the accuracy of the results. The power supply and length specifications ensure that the instrument is both functional and practical in a laboratory setting. The compliance with ISO 2060 and the weight capacity are critical for adhering to the ASTM D1907 standard, ensuring that the tests are conducted under controlled and standardized conditions. By understanding and utilizing these specifications, laboratories can ensure that their testing processes are both efficient and compliant with industry standards.

Instrument models referenced

• TNG1090 Wrap Reel /B (Fineness / Thickness / Length / Density Testing). Published specifications include 220/110 V 50/60 Hz; Length: 900 mm.