GB/T 30140-2013
Measuring method for the shielding effectiveness of magnetic material in low frequency alternating magnetic field (English Version)

Standard No.

GB/T 30140-2013

Language

Chinese, Available in English version

Release Date

2013

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Latest

GB/T 30140-2013

Scope

This standard specifies the method for measuring the magnetic shielding effectiveness of magnetic materials in a low frequency magnetic field. This standard applies to the materials involved, including: metal magnetic shielding materials, composite magnetic shielding materials and various coating shielding materials.

GB/T 30140-2013 Referenced Document

• ASTM A34/A34M-06 Standard Practice for Sampling and Procurement Testing of Magnetic Materials*， 2024-04-20 Update
• ASTM A340-03a(2011) Standard Terminology of Symbols and Definitions Relating to Magnetic Testing*， 2024-04-20 Update
• GB/T 26667-2011 Terminology for electromagnetic shielding materials

GB/T 30140-2013 history

• 2013 GB/T 30140-2013 Measuring method for the shielding effectiveness of magnetic material in low frequency alternating magnetic field