NSIL Chamber Validation: Low-Frequency EMC Testing

Shielding Integrity Services provides expert NSIL Chamber Validation to confirm your Semi-Anechoic Chamber (SAC) meets the essential performance criteria required for compliant low-frequency radiated emissions testing. This critical evaluation guarantees your chamber provides accurate and reliable data in the 9 kHz to 30 MHz range, adhering strictly to official standards.

Test Purpose & Standards

The Normalized Site Insertion Loss (NSIL) test confirms your Semi-Anechoic Chamber (SAC) meets the essential performance criteria required for compliant low-frequency radiated emissions testing.

Accreditation Standard

• CISPR 16-1-4 (The specific edition and year will be noted in your report.)

Technical Specifications & Methodology

The NSIL measurement is a rigorous test involving magnetic field measurements inside the chamber.

Frequency & Range

• Frequency Range: 9 kHz – 30 MHz (Critical for low-frequency emissions).
• Test Distance: Performed at 3-meter or 10-meter distances.

Measurement Methodology

Our NSIL measurement is an adaptation of the NSA procedure, using specialized H-field (magnetic field) loop antennas. Performance is demonstrated using loop antennas in three orthogonal orientations: Hx, Hy, and Hz.

SIS Expertise: Accuracy and Efficiency

SIS brings decades of practical experience to every NSIL validation. We ensure that every data point is accurate and compliant with your requirements.

Accurate Data Capture

• Our team leverages state-of-the-art equipment and patented, automated data capture software to increase accuracy and save you time.
• We provide quick troubleshooting and expert analysis to help you meet the required chamber performance quickly.
• NSIL testing is typically validated across SAC and Open Area Test Sites (OATS).

Full Chamber Lifecycle Support

We perform NSIL validation on all chamber stages and sizes globally:

• New Chambers: Validating newly installed facilities.
• Existing Chambers: Re-validating for ongoing performance assurance.
• Modified Chambers: Testing after upgrades, modifications, or relocation.
• Chamber Size: Capable of testing small, compact 3-meter chambers to high-performance, fully compliant 10-meter chambers.

Ready to Schedule?

We work around your schedule to deliver the compliant results you need.