This Technical Regulation establishes the mandatory metrological, technical, and conformity assessment requirements for Sound Level Meters and Sound Calibrators used for regulatory measurements in the United Arab Emirates. The Regulation is primarily based on the international recommendations OIML R 58 – Sound Level Meters and OIML R 102 – Sound Calibrators, which define the legal metrological requirements for type approval, verification, and maximum permissible errors. The Regulation also adopts the applicable technical requirements of IEC 61672 for sound level meters and IEC 60942 for sound calibrators to ensure compliance with internationally recognized performance and testing requirements. The Regulation applies to imported and locally manufactured sound level meters and sound calibrators intended for use in environmental monitoring, occupational health and safety, industrial facilities, construction activities, transportation, vehicle inspection centres, and other applications requiring regulatory acoustic measurements. It specifies the metrological characteristics, permissible measurement errors, performance requirements, stability, marking, operating conditions, and technical documentation applicable to these instruments. The Regulation is developed in accordance with the legislative and regulatory framework issued by the Ministry of Industry and Advanced Technology (MoIAT) governing standards, metrology, conformity assessment, and the UAE National Measurement…