Air conditioners, liquid chilling packages, heat pumps, process chillers and dehumidifiers with electrically driven compressors - Determination of the sound power level - Part 1: Air conditioners, liquid chilling packages, heat pumps for space heating and cooling, dehumidifiers and process chillers; German and English version prEN 12102-1:2021
€122.34
Acoustics - Determination of sound immission from sound sources placed close to the ear - Part 2: Technique using a manikin (ISO 11904-2:2021); German version EN ISO 11904-2:2021
€91.03
Acoustics - Field measurements of airborne and impact sound insulation and of service equipment sound - Survey method (ISO 10052:2021); German version EN ISO 10052:2021
€116.64
Underwater acoustics - Hydrophones - Calibration of hydrophones - Part 1: Procedures for free-field calibration of hydrophones (IEC 60565-1:2020); German version EN IEC 60565-1:2020.
€261.78
Railway applications - Acoustics - Noise measurement inside railbound vehicles (ISO 3381:2021); German version EN ISO 3381:2021
€145.14
Scales and sizes for plotting frequency characteristics and polar diagrams (IEC 60263:2020); German version EN IEC 60263:2020
€98.32
Electroacoustics - Audiometric equipment - Part 3: Test signals of short duration (IEC 60645-3:2020); German version EN IEC 60645-3:2020.
Sound system equipment - Part 16: Objective rating of speech intelligibility by speech transmission index (IEC 60268-16:2020); German version EN IEC 60268-16:2020.
Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 1: Intrinsic characteristics of sound absorption under diffuse sound field conditions; German and English version prEN 1793-1:2023
€111.40
Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 2: Intrinsic characteristics of airborne sound insulation under diffuse sound field conditions; German and English version prEN 1793-2:2023
Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 3: Normalized traffic noise spectrum; German and English version prEN 1793-3:2023
€48.79
Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 4: Intrinsic characteristics - In situ values of sound diffraction; German and English version prEN 1793-4:2023
Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 5: Intrinsic characteristics - Sound absorption under direct sound field conditions; German and English version prEN 1793-5:2023
€167.66
Road traffic noise reducing devices - Test method for determining the acoustic performance - Part 6: Intrinsic characteristics - Airborne sound insulation under direct sound field conditions; German and English version prEN 1793-6:2023
€150.65
Acoustics - Determination of airborne sound power levels emitted by machinery using vibration measurement - Part 1: Survey method using a fixed radiation factor (ISO/TS 7849-1:2009); German version CEN ISO/TS 7849-1:2022
€84.49