EMI Testing Laboratories
EMI testing measures the electromagnetic energy a product emits and helps locate its source, supporting both compliance limits and interference troubleshooting.
What does it measure?
- Radiated emissions against limit lines
- Conducted emissions on power and signal lines
- Emission source location and coupling path
- Shielding and filtering effectiveness
When is it used?
- Emissions failures during compliance testing
- Interference between subsystems in an installation
- Military and aerospace EMI programmes
- Design changes to shielding, layout or cabling
Sample considerations
- Supply the product in the configuration that fails, including cables and loads.
- Document the observed interference symptoms and conditions.
Laboratories with relevant capabilities
- Element Materials Technology (Aberdeen, Scotland) — Materials Testing, Mechanical Testing, Metallurgical Analysis
- Laboratory Testing Inc. (Hatfield, PA) — Materials Testing, Mechanical Testing, Chemical Analysis
- IMR Test Labs (Ithaca, NY) — Materials Testing, Chemical Analysis, Metallurgical Analysis
- NSL Analytical Services (Cleveland, OH) — Chemical Analysis, Elemental Analysis, Metallurgical Analysis
- Anderson Materials Evaluation (Columbia, MD) — Surface Analysis, Materials Testing, Failure Analysis
- Metallurgical Technologies (Mooresville, NC) — Failure Analysis, Metallurgical Analysis, Mechanical Testing
Frequently asked questions
- Is EMI testing the same as EMC testing?
- EMI concerns what a product emits. EMC covers both emissions and immunity, so an EMC programme normally includes EMI measurements.
Confirm standard edition, jurisdiction and actual laboratory scope. Service references are not partnerships or endorsements.