Magnetostriction Tester MST 500

Product catalog summary

Overview: The document provides detailed information about the Magnetostriction Tester MST 500, a supplementary module designed for measuring elongation in soft magnetic materials due to external magnetic fields. It is part of the BROCKHAUS electrical sheet measuring systems.

Specifications: The tester is capable of measuring strip coil field strength up to 10,000 A/m and polarization up to 2 Tesla. It accommodates sample dimensions of 600 mm x 100 mm x 1.5 mm (L x W x H). The laser interferometer operates at a distance of 230 mm with a laser beam diameter ranging from 12 to 30 µm.

Operating Principle: The tester uses a laser-supported longitudinal measuring system to record elongation caused by changes in magnetic domains within a sample exposed to a defined external magnetic field. This elongation is displayed via a software program, ensuring high accuracy and repeatability.

Measuring Categories: The system measures elongation, zero-to-zero magnetostriction, peak-to-peak magnetostriction, magnetostriction vs field strength, and magnetostriction vs polarization.

Technical Features: The system includes a single sheet sensor, laser interferometer, vibration-free table, and an electrical supply kit. It is designed for both research and industrial applications, with the ability to export data to ASCII and Excel formats.

Applications: The Magnetostriction Tester MST 500 is used for testing electrical steel, particularly in the construction of transformers, to address issues such as buzzing caused by magnetostriction.

Additional Information: The document also mentions other measuring systems like Electrical Steel: C 510, Inline: EBA, and Surface Resistance: Franklin Tester.

Catalog excerpts

Measurement of elongation in soft magnetic materials due to external magnetic field Measuring categories Supplementary module for BROCKHAUS electrical sheet measuring systems Zero-to-zero magnetostriction Optical measurement with laser unit Peak-to-peak magnetostriction Highly accurate measurement and repeatability Magnetostriction vs field strength Comprehensive software programme for measurement and evaluation Integration into superordinated QM-systems Measuring Technology for Soft Magnetic Materials

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Magnetostriction Tester MST 500 Operating principle The magnetostriction tester is a supplementary module for connection to BROCKHAUS electrical sheet measuring systems. Magnetostriction is one of the causes of buzzing which arises during the operation of transformers. In a single sheet sensor the measuring sample is exposed to a defined external magnetic field. Magnetic domains within the sample change with increasing magnetization which results in elongation. With the aid of a laser-supported longitudinal measuring system the elongation is recorded and displayed via a software programme. Magnetostriction...

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