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NA 041

DIN Standards Committee Heating and Ventilation Technology and their Safety

About NHRS Projects Drafts Publications Documents withdrawn without replacement National committees European committees International committees

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Projects of NA 041

Number: 121

DIN EN 12897-1 2024-07-29 Water supply - Indirectly heated unvented (closed) storage water heaters - Part 1: General specifications and common test methods More  Comment 
ISO/WD 24871-8 2024-05-13 Solar energy - Test methods for pyranometer performance - Part 8: Tilt response More  Comment 
ISO/WD 24871-4 2024-05-13 Solar energy - Test methods for pyranometer performance - Part 4: Nonlinearity More  Comment 
ISO/AWI 24871-3 2024-05-13 Solar energy - Test methods for pyranometer performance - Part 3: Non-stability More  Comment 
ISO/AWI 24871-2 2024-05-13 Solar energy - Test methods for pyranometer performance - Part 2: Zero offset More  Comment 
ISO/WD 24871-6 2024-05-13 Solar energy - Test methods for pyranometer performance - Part 6: Spectral error More  Comment 
ISO/CD 24871-7 2024-05-13 Solar energy - Test methods for pyranometer performance - Part 7: Temperature response More  Comment 
ISO/CD 24871-5 2024-05-13 Solar energy - Test methods for pyranometer performance - Part 5: Directional response More  Comment 
DIN EN ISO 24194 2024-03-28 Solar energy - Collector fields - Check of performance (ISO 24194:2026); German version EN ISO 24194:2026 More  Comment 
DIN EN 18289 2024-03-27 Ventilation for buildings - Metallic ventilation ducts - Requirements and test methods; German and English version prEN 18289:2026 More  Comment 

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