Defense-Related Device Testing Standard Pursuant to MIL 461

Defense Tests

Defense-Related Device Testing Standard Pursuant to MIL 461

MIL-STD-461 provides requirements for the control of electromagnetic interference (EMI) emissions and susceptibility characteristics of electronic, electrical, and electromechanical equipment and subsystems designed or supplied for use by Department of Defense activities and agencies.

Defense-Related Device Testing Standard Pursuant to MIL 461

This standard is best suited for benchtop mounted or free standing equipment that draws less than 200 amps of power input current. It is not commonly applied to items such as components and stand-alone modules contained within electronics enclosures, or to all platforms such as aircraft or submarines. However, the principles used here can be useful as a basis for developing appropriate requirements for any application.

MIL-STD-461 has been an active document since 1967 and has undergone many major revisions over the years. These changes are largely based on the observed changes in the Electromagnetic Environment (EME) of a platform caused by the rapidly increasing use of electronics and advances in technology.

The EMI Test procedure (EMITP) is one of the most important elements of a MIL-STD-461 qualification program. Test procedure control requirements are defined under DI-EMCS-80201C. It aimed to organize the test methodologies used, define test limits and levels, and explain how the equipment under test (EUT) should be operated, guided and electrically grounded during each test. It also provides a means to describe any adaptation activities or deviations from MIL-STD-461 standard requirements (as needed) to obtain agency approval prior to testing.


EUROLAB provides MIL 461 testing services to enterprises within the scope of defense-related device tests.

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