NVH Testing & Product Certification
Acoustic Solutions for Automotive & Electronics
Anechoic and semi-anechoic chambers engineered for automotive NVH testing, EV powertrain noise analysis, and consumer electronics acoustic certification.
Technical Specifications
Specifications are for preliminary project review only. Final parameters, materials, certificates, and acceptance criteria should be confirmed in the signed contract or approved technical proposal.
Applications
- Full-vehicle NVH pass-by noise (ISO 362)
- EV motor & powertrain acoustic characterisation
- Consumer electronics speaker/microphone testing
- Road noise & interior acoustic analysis
- Tyre/pavement noise simulation
- HVAC blower & compressor noise assessment
Overview
Modern automotive and electronics manufacturers face increasingly stringent noise requirements — from ISO 362 pass-by noise limits to IEC 60268-based audio product standards. HEMU Acoustics designs and builds acoustic test environments that meet these demands: large semi-anechoic chambers with drive-in access for full-vehicle NVH testing, dedicated EV motor test cells, and compact anechoic rooms for transducer and microphone calibration. Our chambers are used by OEMs, Tier-1 suppliers, and independent test labs across Asia, Europe, and North America.
Key Features
Drive-In Semi-Anechoic Chambers
Vehicle-access doors up to 4 m wide with pneumatic sealing. Reflective concrete floor rated for up to 10 t/m² axle load. Integrated rolling road dynamometer pit available.
EV Powertrain Test Cells
Shielded enclosures for high-voltage EV drivetrain testing. EMC-hardened walls, filtered power penetrations, and vibration-isolated mounting plates for motor and battery systems.
Electronics & Transducer Rooms
Compact fully anechoic chambers from 5 m³ for speaker, microphone, and headphone measurement. Free-field above 80 Hz. IEC 60268-5 and ISO 26101 compliant.
Turnkey Project Delivery
From acoustic simulation and concept design to installation, commissioning, and ISO 17025-compatible qualification testing. Single point of responsibility.
Ready to discuss your requirements?
Send equipment drawings, site photos, target noise level, and documentation requirements for review.