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NA 027

DIN Standards Committee Optics and Precision Mechanics

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Projects of NA 027

Number: 270

DIN EN 13274-10 2026-03-12 Respiratory protective devices - Methods of test - Part 10: Capacity testing of gas filters More  Comment 
DIN EN 143 rev 2026-03-06 Respiratory protective devices - Particle filters - Requirements, testing, marking More  Comment 
DIN EN ISO 11990 rev 2026-02-25 Lasers and laser-related equipment - Determination of laser resistance of tracheal tube shaft and tracheal tube cuffs More  Comment 
DIN EN 13274-1 rev 2026-02-25 Respiratory protective devices - Methods of test - Part 1: Determination of inward leakage and total inward leakage More  Comment 
ISO/AWI TS 37137-2 2026-02-24 Biological evaluation for absorbable medical devices - Part 2: Evaluation and testing of medical devices for soft tissue repair More  Comment 
DIN ISO 11421 2026-02-19 Optics and photonics - Uncertainty of optical transfer function (OTF) measurement (ISO 11421:2025); Text in German and English More  Comment 
ISO/CD 16900-1 2026-02-18 Respiratory protective devices - Methods of test and test equipment - Part 1: Determination of inward leakage More  Comment 
ISO/CD 16900-4 2026-02-18 Respiratory protective devices - Methods of test and test equipment - Part 4: Determination of gas filter capacity and migration, desorption and carbon monoxide dynamic testing More  Comment 
ISO/CD 16900-14 2026-02-18 Respiratory protective devices - Methods of test and test equipment - Part 14: Measurement of sound pressure level More  Comment 
ISO/AWI 12819 2026-02-09 Methods of evaluation of the battery life of a battery-powered watch More  Comment 

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