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)
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)
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
DMCRF
March 20, 2026
DMCRF delivered exactly what they promised. Highly reliable.
Absorber
March 20, 2026
The absorber quality is top-notch and performs beyond expectations.
RF testing
March 20, 2026
One of the best investments for our RF testing lab.
Chamber
March 19, 2026
We saw accurate and consistent results after installing this chamber.
EMC testing
March 19, 2026
The build quality is outstanding and meets all EMC testing standards.
Semi-anechoic chamber
March 19, 2026
Excellent semi-anechoic chamber quality and performance. Highly satisfied with DMCRF!
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.