In today’s industrial environments, managing noise generated by electrical devices and ventilation systems is crucial to ensure operational efficiency and compliance with international standards. DASM proudly provides noise measurement services – material acoustic test in accordance with ISO 7779, supporting manufacturers in improving product quality and meeting stringent technical requirements.
Why Noise Measurement Is Essential?
Noise Measurement Services Ensuring Product Quality
Uncontrolled noise often indicates internal mechanical issues or inefficiencies. Accurate noise testing helps identify such problems early, ensuring long-term reliability and consistent performance of electrical equipment.
Acoustic Absorption Testing Service at DASM Institute According to ISO 354 & ASTM C423
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Compliance with International Standards
ISO 7779 outlines standardized methods for measuring and reporting noise emissions from information and telecommunications technology equipment. Adhering to this standard allows manufacturers to prove their products meet global market requirements.
Safeguarding Worker Health
Excessive workplace noise can negatively affect employee health and productivity. DASM’s measurements support the creation of safer, more comfortable working environments.
Overview of ISO 7779 Standard
ISO 7779 specifies methods for measuring and reporting the sound power levels of IT and telecommunications equipment. This standard is widely adopted for assessing noise in devices such as fans, transformers, and electrical cabinets.
DASM’s Noise Measurement Services
Scope of Services
Noise testing of electrical equipment: transformers, generators, motors, inverters
Noise testing of ventilation systems: industrial fans, centrifugal fans, axial fans
Process Flow
Initial Survey – Understand the device type and operating environment
Measurement Planning – Define positions, timing, and method per ISO 7779
On-site or Lab Testing – Conduct measurements using precision equipment
Analysis & Reporting – Compare results with standards and offer improvement solutions
Equipment Used
DASM utilizes IEC 61672 / ANSI S1.4 Class 1 sound level meters, regularly calibrated and compliant with ISO 7779 technical requirements.
Why Choose DASM?
✔️ High-accuracy results backed by experienced engineers and professional-grade instruments
✔️ Full ISO 7779 compliance, suitable for certification, manufacturing QC, and design feedback
✔️ Technical consultation & optimization solutions for noise control and product improvement
Applications & Target Clients
Electrical equipment manufacturers
HVAC and MEP consultants & contractors
Project owners conducting system commissioning or pre-handover tests
Noise control is an integral part of product quality assurance and workplace safety. DASM’s ISO 7779-compliant noise testing service is the optimal choice for manufacturers of electrical equipment and ventilation systems aiming to meet both local and international standards.
