What are Shielded Test Enclosures? 

Shielded Test Enclosures are used in EMC testing to create controlled environments that attenuate external electromagnetic noise and prevent emissions from escaping into the surrounding area. These enclosures are typically used for pre-compliance testing, troubleshooting, and product development, where a full-scale anechoic chamber may not be required. By providing a high level of shielding, they enable more accurate and repeatable measurements compared to open lab environments.

These enclosures are constructed using conductive materials such as steel, aluminum, or composite panels with conductive coatings to ensure high shielding effectiveness across a wide frequency range. Key performance parameters include shielding effectiveness in decibels, frequency range, enclosure size, and internal configuration. Design considerations such as seam integrity, door sealing, and cable penetration panels are critical, as any discontinuities can degrade shielding performance. Filtered power entry panels and RF shielded ventilation systems are often incorporated to maintain enclosure integrity.

Shielded Test Enclosures are designed to support a variety of test setups and may include features such as internal absorber lining, work surfaces, lighting, and mounting provisions for test equipment. Some enclosures are fully shielded, while others combine shielding with absorber materials to reduce internal reflections. Integration with antennas, pre-amplifiers, and measurement instruments allows these enclosures to support both conducted and radiated EMC testing. Their modular and scalable designs enable customization based on application requirements.

Shielded Test Enclosures are widely used in research and development laboratories, industrial environments, automotive electronics testing, aerospace systems validation, and educational institutions. They provide a cost-effective and space-efficient solution for conducting EMC tests in controlled conditions. Their ability to isolate electromagnetic signals and support repeatable measurements makes them a valuable tool for engineers working on EMC design and compliance.

The Largest Database of Shielded Test Enclosures

EMC Directory lists Shielded Test Enclosures from the leading manufacturers. Use the parametric search tools to narrow down on Shielded Test Enclosures based on your requirements. Once you find products that meet your specification, view product details, download the datasheet, compare products and request quotations. Inquiries generated via everything RF are directed to the manufacturers, who get back to you with a quote or information.