DASM provides expert adapter noise testing under ISO 7779:2018 and ISO 3745:2012. With a VILAS-accredited acoustic lab and ultra-low ambient noise below 15 dB(A), DASM ensures fast, accurate, and internationally compliant results.
As the demand for ultra-quiet electronic devices rises, noise testing has become an essential step in product development and certification. DASM proudly offers professional noise testing services for adapters and power supplies, in full compliance with ISO 7779:2018 and ISO 3745:2012 standards.
Why Choose DASM for adapter noise testing?
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VILAS-accredited acoustic laboratory
DASM operates Vietnam’s first and only VILAS-accredited acoustic laboratory specialized in sound testing for electronics. Our facilities include:
- Full and semi-anechoic chambers compliant with ISO/IEC 17025
- Ambient noise levels consistently below 15 dB(A)
- Controlled temperature and humidity for stable measurement conditions
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Advanced equipment – Class 1 Precision
Our adapter noise testing system includes:
- IEC 61672 Class 1 sound level meters
- Calibrated microphones for accurate frequency response
- Analysis software for octave and 1/3 octave band measurements
- Testing according to International standards
ISO 7779:2018
This standard defines procedures to measure noise emissions of information technology and telecommunication equipment. It applies perfectly to:
- Adapters and chargers
- Power supplies for computers and network equipment
- Small electronic and IoT devices
ISO 3745:2012
This standard provides precise methods to determine levels in anechoic or hemi-anechoic environments, ensuring minimal sound reflection and maximum accuracy.
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Comprehensive testing process
Full-cycle noise measurement (operating, standby, and peak states)
Parameters recorded: L_Aeq, L_max, L_min, spectral analysis
Microphone placement and environmental controls per ISO guidelines
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Bilingual reporting for global use
Our reports are clear, technical, and formatted for:
- Export compliance documents
- Product certification and technical files
- B2B marketing and R&D benchmarking
Why noise testing for adapters matters
With increasing market requirements for low-noise performance, especially in exports to the EU, USA, Japan, and South Korea, testing is vital to:
- Demonstrate operational quietness
- Satisfy tender and certification requirements
- Detect acoustic anomalies early in R&D
- Improve design and user experience
Industries & devices served by DASM
We provide noise testing services for:
- Adapters, fast chargers, and low-power chargers
- Miniature cooling fans and ventilation modules
- Computer power units, network supplies, UPS
- Smart medical and IoT devices
Benefits of testing adapter noise with DASM
- Speed: Rapid scheduling and testing process
- Accuracy: Internationally standardized procedures
- Transparency: Clear, auditable results and full documentation
- Cost-effectiveness: Optimize design with early-stage acoustic data
DASM – Vietnam’s premier acoustic testing tnstitute
DASM is a leading Vietnamese institution specializing in acoustic testing, noise control, and acoustic solutions. With a strong focus on precision, international compliance, and innovation, DASM supports manufacturers, exporters, and developers across industries to meet strict global acoustic standards.
At the heart of DASM’s operations is its VILAS-accredited acoustic laboratory, the first in Vietnam certified under ISO/IEC 17025 for sound insulation and noise emission testing. The lab features:
- Anechoic and semi-anechoic chambers with ultra-low ambient noise (below 10–15 dB(A))
- Advanced Class 1 acoustic equipment compliant with IEC 61672
- Strict environmental controls for consistent, reproducible measurements
- Full compliance with international testing standards such as ISO 7779:2018, ISO 3745:2012, ISO 10140, and more
Whether for product certification, export documentation, R&D optimization, or environmental noise assessment, DASM delivers world-class acoustic testing with accuracy, speed, and professionalism.
Contact DASM Today
Ensure your product meets international acoustic standards with DASM’s professional testing services.
We offer fast, precise, and internationally compliant noise testing under ISO — ideal for adapters, power supplies, and low-noise electronics.
In addition, DASM provides a full suite of acoustic consulting services, including:
- Noise survey and on-site assessment
- Acoustic simulation and design for buildings and equipment
- Noise and vibration control solutions
- Material, machinery, and system acoustic optimization
- Custom acoustic R&D and technical consulting
