BS 3424 testing: the specifications that decide the fit

The TNG1103 Fabric Scale and TNG1104 Pneumatic Sample Press are essential for compliance with BS 3424, ensuring accurate GSM testing through their precise mechanical and electrical specifications.

Understanding Specification Tables for BS 3424 Compliance

When reviewing a specification table for BS 3424 compliance, it is crucial to identify the exact parameters that align with the standard's requirements. For instance, the TNG1103 Fabric Scale has a specification labeled "Length" with a value of "210 mm." This dimension is critical as it defines the area over which the fabric's weight is measured, ensuring consistency in GSM calculations. Another key specification for the TNG1103 is "220/110 V, 50/60 Hz," which indicates the power supply compatibility. This ensures that the instrument can operate in various regions without affecting the accuracy of the test results.

The Role of the TNG1103 Fabric Scale in GSM Testing

The TNG1103 Fabric Scale is specifically designed for GSM testing, a process that measures the weight of fabric per unit area. The "Length" specification of 210 mm is vital because it determines the measurement area, which must be standardized to ensure reliable comparisons between different fabric samples. Additionally, the "220/110 V, 50/60 Hz" specification ensures that the instrument can be used in both European and North American electrical systems, providing flexibility without compromising test accuracy. These specifications are directly aligned with BS 3424, which emphasizes the importance of consistent and repeatable testing procedures.

The Function of the TNG1104 Pneumatic Sample Press in GSM Testing

The TNG1104 Pneumatic Sample Press plays a crucial role in preparing fabric samples for GSM testing. Its "Length" specification of 400 mm ensures that the sample is compressed uniformly across the entire area, which is essential for obtaining accurate weight measurements. The "0.5-0.6 Mpa" pressure range is another key specification that controls the force applied during compression. This range is carefully selected to ensure that the fabric is adequately compressed without causing damage, which could skew the GSM results. Both specifications are in line with BS 3424, which mandates precise control over the testing environment to maintain the integrity of the results.

Ensuring Compliance Through Instrument Specifications

By adhering to the specifications provided in the TNG1103 and TNG1104 instruments, laboratories can ensure that their testing procedures meet the requirements of BS 3424. The precise control over measurement area and compression force is fundamental to achieving accurate and reproducible GSM values. These instruments are designed to support the standard's emphasis on consistency and reliability, making them indispensable tools in the textile industry.

Instrument models referenced

• TNG1103 Fabric Scale (GSM Testing). Published specifications include 220/110 V 50/60 Hz; Length: 210 mm.
• TNG1104 Pneumatic Sample Press (GSM Testing). Published specifications include Length: 400 mm.