ASTM D1907: which instrument fits and how to decide

The Wrap Reel /B (TNG1090) is the correct instrument for ASTM D1907 testing due to its compliance with the required specifications.

Instrument Selection Based on ASTM D1907 Requirements

When selecting an instrument for ASTM D1907 testing, it is essential to focus on the specifications that directly align with the standard's methodology. The Wrap Reel /B (TNG1090) is specifically designed for fineness, thickness, length, and density testing, which are critical parameters in this standard. One key specification to consider is the power supply, which must be compatible with the testing environment. The TNG1090 is rated for 220/110 V at 50/60 Hz, ensuring it can operate in various regions without modification. This flexibility is crucial for laboratories that may have different electrical standards.

Another important specification is the length of the instrument, which is set at 900 mm. This dimension is vital for ensuring that the sample can be accurately measured and wrapped without any distortion. The length allows for a consistent and repeatable measurement process, which is necessary for meeting the precision requirements of ASTM D1907.

Compliance with ASTM D1907 Step 1

The TNG1090 is also aligned with ASTM D1907 Step 1, which outlines the procedures for determining the fineness and thickness of textile fibers. This step requires the use of a wrap reel that can accurately measure the number of wraps around a spindle, which is directly related to the fineness of the fiber. The Wrap Reel /B (TNG1090) is designed to provide this measurement with high accuracy, ensuring that the results are reliable and consistent with the standard's requirements.

The specifications of the TNG1090 are not only relevant for the physical dimensions but also for the operational parameters. The 45 kg weight capacity of the instrument is another critical factor. This weight ensures that the instrument can handle the necessary load during the testing process without any risk of structural failure or measurement inaccuracies. The weight capacity is essential for maintaining the integrity of the test results and ensuring that the instrument can perform reliably under various testing conditions.

Ensuring Accuracy and Reliability

To ensure accuracy and reliability in testing, the TNG1090 must be used in conjunction with the specifications outlined in ASTM D1907. The combination of the 900 mm length and the 45 kg weight capacity provides a robust and precise testing environment. These specifications are fundamental in achieving the required precision and consistency in the results, which are essential for meeting the standards set by ASTM D1907. By adhering to these specifications, the Wrap Reel /B (TNG1090) ensures that the testing process is both accurate and reliable, meeting the demands of the standard.

Instrument models referenced

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