We are proud to offer the innovative microwave absorber portfolio from our partner DMAS, providing high-performance solutions for EMC, RF, antenna, and anechoic chamber applications.
Designed for demanding testing environments, DMAS absorbers combine excellent RF performance, easy installation, and a long service life. The unique modular design, introduced by DMAS in 2012, utilizes lightweight absorber pyramids and baseplates that can be mounted mechanically without adhesives, making installation and maintenance straightforward and efficient.
High Performance Across Wide Frequency Ranges
The DMAS absorber range covers frequencies from 200 MHz up to 500 GHz, depending on the model, while maintaining reflectivity performance of ≤ -30 dB.
Available models include:
- MT13-JT: 900 MHz – 50 GHz
- MT30-JT: 900 MHz – 50 GHz
- MT45-JT: 600 MHz – 50 GHz
- MT65-JT: 200 MHz – 500 GHz
All absorbers are manufactured from closed-cell polystyrene (EPS), offering excellent durability, lightweight construction, and resistance to humidity.
Built for Long-Term Reliability
DMAS absorbers are designed for a service life exceeding 25 years and are backed by a 25-year warranty. The products are compliant with REACH and RoHS requirements and are manufactured under ISO 9001 quality standards. The materials used contain no harmful heavy metals or toxic fire-retardant chemicals, supporting environmentally responsible operation.
Additional certifications include:
IEEE Standard 1128 testing
ISO 14644-1 cleanroom certification
UL94-HBF fire performance
DIN 4102-1 Class B2
ISO 11925-2 Class E
Walkway Absorbers for Chamber Accessibility
For applications requiring safe chamber access, DMAS also offers dedicated walkway absorber solutions. Models WWA-MT25 and WWA-MT45 feature reinforced glass fiber epoxy grids and an interlocking design that provides excellent stability without compromising absorber performance.
Tested to International Standards
Performance verification is carried out according to IEEE-1128 standards, providing confidence in absorber performance for EMC, antenna, and RF testing environments.
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Whether you are building a new anechoic chamber, upgrading an EMC laboratory, or looking for long-life absorber solutions with proven performance, Amitronic Oy can help you find the right DMAS solution for your application.