This standard provides uniform measurement procedures for determining the shielding effectiveness of electromagnetic (EM) shielding for a variety of enclosures and boxes having all dimensions between 0.1 m and 2 m in the radio frequency range not addressed by IEEE Std 299(TM)-2006. This standard is divided into two parts: Part I - 0.75 m to 2 m and Part II - physically small (< 0.75 m) but electrically large enclosures. In addition to a number of annexes aiding the measurement of shielding effectiveness of these enclosures, Annex I addresses physically small and electrically small enclosures, and Annex J addresses electrically small enclosures in reverberation chambers. Problems occurring in the testing of small enclosures having linear dimension less than 2 m are very different from determining the shielding effectiveness of large rooms and broad depending on the actual size of the enclosure itself. A number of other annexes are included that address rationale, mathematical formulas, selection of measurement techniques, preliminary measurement and repairs, wall-mounted monopoles, impedance mismatch correction, and using isolated monopoles in outer reverberation chambers.
- Standard Committee
- EMC/SDCom - Standards Development Committee
- Status
- Inactive-Reserved Standard
- PAR Approval
- 2006-09-15
- Board Approval
- 2013-10-31
- History
-
- Published:
- 2014-01-15
- Inactivated Date:
- 2024-03-21
Working Group Details
- Society
- IEEE Electromagnetic Compatibility Society
- Standard Committee
- EMC/SDCom - Standards Development Committee
- Working Group
-
WG299 - Working Group for Electromagnetic Shielding Enclosures
- IEEE Program Manager
- Jennifer Santulli
Contact Jennifer Santulli - Working Group Chair
- Maria Sarto
Other Activities From This Working Group
Current projects that have been authorized by the IEEE SA Standards Board to develop a standard.
P299.1
Standard Method for Measuring the Shielding Effectiveness of Enclosures and Boxes Having all Dimensions between 0.1 m and 2 m
This standard provides uniform measurement procedures for determining the effectiveness of electromagnetic (EM) shielding within specified frequency ranges and test procedures for measuring the shielding effectiveness (SE) of enclosures having linear dimensions between 0.1 m and 2 m. Enclosures with these dimensions are a subclass of the enclosure not covered by IEEE Std 299. Definitions and test methods described in this standard apply to determining the shielding effectiveness for enclosures with apertures used in a variety of applications including power supplies, variable speed drives, and electronic equipment housings.
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