Semi Anechoic EMC Chamber

DMC offers Semi Anechoic EMC Chamber at 3 meter, 5 meter and 10 meter test distance for Full Compliant EMC Emission and Immunity testing Commercial, Automotive, Military and Education sector and offers better performance for NSA, SVSWR and FU.

DMC-SAC-3M (3meter Semi Anechoic Compact EMC chambers)

Semi Anechoic 3m Chamber

DMC 3meter chambers are useful for both pre-compliance and Full-compliance emissions and compliant immunity testing with limited space availability in the host building. It provides test capability at 3 meter test distance with up to 2.0 meter quite zone and repeatable results.

DMC 3 meter compliant test chambers has flexibility to provide custom solutions for different quiet zone requirements and performance options. This semi anechoic chamber is a multi-functional solution for full compliance testing as per various international EMC regulations

DMC offers full turn-key solution for Radiated emission and Immunity including test instrumentation, software and Near field probes.

  • EMC test standards covered : CISPR 11, CISPR 14, CISPR 15, CISPR 16, CISPR 22, CISPR 25 and CISPR 32 Fully compliant 3meter test condition
  • Normalized site attenuation deviation (NSA) is better than ±3.5 dB between from 30MHz to 1 GHz sVSWR deviation better than ±5.5 dB from 1 GHz to 18 GHz.
  • EN/IEC 61000-4-3 fully compliant 3m test sit

Product Compliance Standard

Emission Immunity
CISPR 11 IEC/EN 61000-4-3
CISPR 14 ISO 11452
CISPR 15 MIL-STD 461
CISPR 25
CISPR 32
MIL-STD 461

Verification Standard

Emission Immunity
CISPR 16-1-4 IEC/EN 61000-4-3
and/or ANSI C63.4

Technical Specification

Chamber Type DMC-SAC-3M-S DMC-SAC-3M-M DMC-SAC-3M-L
External dimension 8.5m x 5.8m x 5.2m (LxWxH) 9.1m x 6.0 x 5.8 m (LxWxH) 9.5m x 6.5m x 6.0m (LxWxH)
Quiet Zone ø1,2 m ø1,5 m ø2,0 m
Load capacity 1500 Kg (Minimum), Higher load capacity option available
Frequency range 30 MHz to 40 GHz

Performance & Compliance

  • Full Compliance Emission per ANSI C63.4 and CISPR-16
  • Normalised site attenuation deviation (NSA) is better than  ±3.5 dB between from 30MHz to 1 GHz sVSWR deviation better than ±5.5 dB from 1 GHz to 18 GHz.
  • Full Compliant Immunity per IEC/EN 61000-4-3
  • Field Uniformity deviation better than 6 dB at 75% of 16 measuring points from 26 MHz/ 80 MHz to 18 GHz

DMC-SAC-5M (5meter Semi Anechoic EMC chamber)

DMC-SAC-5M Semi Anechoic EMC chamber are used for radiated emission and radiated immunity testing at 5 meter test distance. The chamber is designed for compliant emission and immunity testing. The self-standing steel structure with DMC-PAN series PAN-type modular shielding system per MIL-STD-285 and unique arrangement of Polypropylene based hybrid absorbers in specular areas with high performance ferrite tiles provides broadband performance up to 40 GHz.

DMC 5 meter compliant test chambers has flexibility to provide custom solutions for different quiet zone requirements and performance options. This semi anechoic chamber is a multi-functional solution for full compliance testing as per various international EMC regulations.

Product Compliance Standard

Emission Immunity
CISPR 11 IEC/EN 61000-4-3
CISPR 14 ISO 11452
CISPR 15 MIL-STD 461
CISPR 25
CISPR 32
MIL-STD 461

Verification Standard

Emission Immunity
CISPR 16-1-4 IEC/EN 61000-4-3
and/or ANSI C63.4

Technical Specification

Chamber Type DMC-SAC-5M
External dimension 11.5m x 7.5m x 5.8m (LxWxH)
Quiet Zone ø3,0 m
Measuring distances 5,0 m and 3,0 m
Load capacity 1500 Kg (Minimum), Higher load capacity option available
Frequency range 30 MHz to 40 GHz

Performance & Compliance

  • Full Compliance Emission per ANSI C63.4 and CISPR-16
  • Normalised site attenuation deviation (NSA) is better than  ±3.5 dB between from 30MHz to 1 GHz sVSWR deviation better than ±5.5 dB from 1 GHz to 18 GHz.
  • Full Compliant Immunity per IEC/EN 61000-4-3
  • Field Uniformity deviation better than 6 dB at 75% of 16 measuring points from 26 MHz/ 80 MHz to 18 GHz

DMC-SAC-10M (10meter Semi Anechoic EMC chamber)

What Is an EMI Chamber? EMC Testing Explained

DMC-SAC-10M Semi Anechoic EMC chamber are used for radiated emission and radiated immunity testing at 10 meter test distance with Quiet zone option up-to 6m. The chamber is designed for compliant emission and immunity testing. The self-standing steel structure with DMC-PAN series PAN-type modular shielding system per MIL-STD-285 and unique arrangement of Polypropylene based hybrid absorbers in specular areas with high performance ferrite tiles provides broadband performance up to 40 GHz.

 

DMC 10 meter compliant test chambers has flexibility to provide custom solutions for different quiet zone requirements and performance options. This semi anechoic chamber is a multi-functional solution for full compliance testing as per various international EMC regulations.

Product Compliance Standard

Emission  Immunity
CISPR 11 IEC/EN 61000-4-3
CISPR 12 ISO 11451
CISPR 14 ISO 11452
CISPR 15 MIL-STD 461
CISPR 25 RS101, RS102
CISPR 32 RS103
MIL-STD 461

Verification Standard

Emission  Immunity
CISPR 16-1-4 IEC/EN 61000-4-3
and/or ANSI C63.4

Technical Specification

Chamber Type DMC-SAC-10M
External dimension 19.5m x 12.0m x 8.4m (LxWxH)
Quiet Zone 6.0 m
Measuring distances 5.0 m and 3.0 m
Load capacity up-to 80 tons with special turn table system
Frequency range 30 MHz to 18 GHz

Performance & Compliance

  • Full Compliance Emission per ANSI C63.4 and CISPR-16-1-4
  • Normalised site attenuation deviation (NSA) is better than  ±3.5 dB between from 30MHz to 1 GHz sVSWR deviation better than ±5.5 dB from 1 GHz to 18 GHz.
  • Full Compliant Immunity per IEC/EN 61000-4-3
  • Field Uniformity deviation better than 6 dB at 75% of 16 measuring points from 26 MHz/ 80 MHz to 18 GHz

Frequently Asked Questions

A Semi Anechoic Chamber is a specialized EMC testing environment designed to measure electromagnetic emissions and immunity of electronic devices. It uses RF absorbers on walls and ceiling while maintaining a reflective ground plane to simulate real-world conditions during testing.
A Semi Anechoic Chamber helps engineers evaluate electromagnetic interference (EMI) and electromagnetic compatibility (EMC) of products. It reduces reflections and external noise, enabling accurate emission and immunity measurements.
Semi Anechoic Chambers from Diamond Microwave Chambers Ltd are available with 3-meter, 5-meter, and 10-meter test distances, suitable for various EMC compliance testing requirements.
The chambers typically support a frequency range from 30 MHz up to 18 GHz or 40 GHz, depending on configuration and absorber design.
Industries such as automotive, defense, telecommunications, electronics, and research institutions use Semi Anechoic Chambers for product compliance testing and R&D validation.
These chambers support global EMC standards such as CISPR 11, CISPR 14, CISPR 15, CISPR 25, CISPR 32, IEC/EN 61000-4-3, and MIL-STD-461 for emission and immunity testing.
The quiet zone is the designated testing area inside the chamber where reflections are minimized, ensuring accurate EMC measurement results.
These chambers typically use ferrite tiles and RF absorber materials on walls and ceilings to absorb electromagnetic waves and reduce reflections during testing.
Yes. Diamond Microwave Chambers Ltd provides customized Semi Anechoic Chambers with flexible quiet zone sizes, absorber configurations, and shielding systems depending on the customer’s testing requirements.
You can request a quote directly from the official website of Diamond Microwave Chambers Ltd by visiting the Semi Anechoic Chamber product page and contacting their technical team.

What Our Clients Say

10m Semi Anechoic EMC Chamber

April 21, 2026

Highly accurate RF testing environment.

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Connor Ward

5m Semi Anechoic EMC Chamber

April 21, 2026

Seamless installation and setup experience.

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Hunter Peterson

3m Semi Anechoic EMC Chamber

April 21, 2026

Great technical support from the DMCRF team.

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Dominic Gray

Semi Anechoic Chamber Systems

April 7, 2026

The chamber is robust and built to last.

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Jessica Wilson

Advanced Semi Anechoic EMC Test Chamber Solutions

April 7, 2026

Very satisfied with the overall product quality.

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Ashley Moore

Hybrid Ferrite & Foam Absorbers

April 7, 2026

High-performance absorbers make a huge difference.

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Amanda Taylor

Semi Anechoic Chambers for EMC Testing

April 7, 2026

Perfectly designed for EMI/EMC testing requirements.

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Jennifer Thomas

EMC Test Chamber

March 30, 2026

Excellent engineering and finishing quality.

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Mason Campbell

EMC Measurements

March 30, 2026

Accurate measurements with zero external disturbances.

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Mia Phillips

Semi Anechoic Chambers

March 30, 2026

Reliable performance across multiple frequency ranges.

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Lucas Roberts

EMC Test Chamber

March 27, 2026

Smooth workflow integration with our existing systems.

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Chloe Kelly

Semi Anechoic EMC Chamber

March 27, 2026

Customization options were very helpful for our setup.

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Zoey Price

Semi Anechoic Chamber

March 27, 2026

Great value for money compared to other suppliers.

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Levi Bennett

SAC Chamber

March 26, 2026

Strong construction and durable materials used.

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Fernanda West

Semi Anechoic EMC Chamber

March 26, 2026

The performance is stable even under heavy testing conditions.

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Lucia Graham

Semi Anechoic Chamber

March 26, 2026

Installation was quick and handled professionally.

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Semi Anechoic Chamber

Fully Anechoic RF Test Chambers

March 25, 2026

Excellent customer service and technical guidance throughout.

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Christopher Morris

EMI/EMC Shielding Solutions

March 25, 2026

Great shielding effectiveness and minimal external interference.

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Joshua Sanchez

Fully Anechoic RF Test Chambers

March 25, 2026

Professional design and smooth installation process. Great support team.

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Andrew Stewart

Semi-Anechoic Chambers

March 24, 2026

One of the most efficient semi-anechoic chambers we’ve used.

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Elisa Pierce

DMCRF Team

March 24, 2026

DMCRF team was very responsive and knowledgeable.

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Monica Lane

The chamber

March 24, 2026

The chamber exceeded our expectations in every aspect.

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Teresa Curtis

Pre-compliance testing

March 23, 2026

Perfect solution for our pre-compliance testing requirements.

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Teresa Lane

Chamber’s noise isolation

March 23, 2026

Very impressed with the chamber’s noise isolation capability.

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Patricia Curtis

EMC testing.

March 23, 2026

Highly recommended for anyone needing accurate EMC testing.

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Veronica Ray

The chamber

March 23, 2026

The chamber design is very precise and well-engineered.

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Daniela Bishop

DMCRF

March 20, 2026

DMCRF delivered exactly what they promised. Highly reliable.

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Cesar Bishop

Absorber

March 20, 2026

The absorber quality is top-notch and performs beyond expectations.

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Angel Chapman

RF testing

March 20, 2026

One of the best investments for our RF testing lab.

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RF testing

Chamber

March 19, 2026

We saw accurate and consistent results after installing this chamber.

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Phoenix Hughes

EMC testing

March 19, 2026

The build quality is outstanding and meets all EMC testing standards.

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Indie Barnes

Semi-anechoic chamber

March 19, 2026

Excellent semi-anechoic chamber quality and performance. Highly satisfied with DMCRF!

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Monroe Henderson

High Customer Satisfaction

March 16, 2026

From initial consultation to installation and everyday use, this chamber has proven to be a top‑tier RF testing environment. Exceptional support and performance throughout.

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Ethan Campbell

Excellent Measurement Environment

March 16, 2026

The quiet zone performance and field uniformity have noticeably improved our EMC test data stability — a major advantage during certification testing.

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Thomas Wood

Well‑Engineered Design

March 16, 2026

The modular design and absorber placement are engineered to maximize performance. It feels like a robust, future‑proof solution built to last.

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Benjamin Bell

Reliable Performance in Diverse Projects

March 16, 2026

Whether for telecom or military RF testing, the system has delivered reliable and repeatable results consistently — exactly what we needed for our varied applications.

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William Ross

Impressive Shielding Compliance

March 16, 2026

This chamber meets strict EMC and immunity test standards, enabling us to conduct radiated emissions and immunity measurements with full compliance confidence.

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Lucas Walsh

Highly Accurate Antenna Characterization

March 16, 2026

Since deploying the chamber, our antenna characterization accuracy has improved significantly. The consistent quiet zone and low reflections make all the difference.

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Oliver Murray

True Free‑Space Environment

March 16, 2026

The fully lined absorbers, including ground plane absorbers, create a near‑perfect free‑space environment for antenna and EMC testing, which has boosted our confidence in measurement data quality.

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Leo Harrison

Professional Installation & Support

March 16, 2026

Installation and commissioning were handled expertly. The DMCRF engineers were knowledgeable and responsive — a seamless experience from start to finish.

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William Jack

Outstanding RF Performance

March 16, 2026

The chamber delivers exceptional RF absorption and shielding, providing repeatable results across a wide frequency range. Calibration was on point, and it performs as advertised.

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Olivia Charlotte

Exceeded All Expectations

March 16, 2026

This Fully Anechoic Chamber has transformed our RF testing workflow — the absorption performance and isolation are truly world‑class. Setup and calibration went smoothly thanks to the professional team. Our measurement accuracy is far better than before.

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Lily Grace