Household and similar electrical air cleaning appliances - Methods for measuring the performance - Part 3-1: Method for assessing the reduction rate of key bioaerosols by portable air cleaners using an aerobiology test chamber (IEC PAS 63086-3-1:2023)

Guidelines for condition-based evaluation and maintenance of cylindrical-rotor synchronous generators

Wind energy generation systems - Part 21-4: Measurement and assessment of electrical characteristics - Wind turbine components and subsystems (IEC 88/889/CD:2022); Text in German and English

Indoor air - Part 43: Standard method for assessing the reduction rate of culturable airborne fungi by air purifiers using a test chamber (ISO/DIS 16000-43:2023); Text in German and English

Mechanical vibration - Measurement and evaluation of machine vibration - Part 2: Land-based gas turbines, steam turbines and generators in excess of 40 MW, with fluid-film bearings and rated speeds of 1 500 r/min, 1 800 r/min, 3 000 r/min and 3 600 r/min - Amendment 1 (ISO 20816-2:2017 + Amd 1:2023); Text in German and English

Mechanical vibration - Measurement and evaluation of machine vibration - Part 21: Horizontal axis wind turbines (ISO/DIS 20816-21:2023); Text in German and English

Mechanical vibration - Rotor balancing - Part 21: Description and evaluation of balancing machines (ISO 21940-21:2022)

Energy management systems - Evaluating energy performance using energy performance indicators and energy baselines (ISO 50006:2023); Text in German and English

Quantification and evaluation of soil organic carbon sequestration and carbon emission changes from adaptive management in and on agricultural soils

Energy efficiency of buildings - Calculation of the net, final and primary energy demand for heating, cooling, ventilation, domestic hot water and lighting - Supplement 1: Balancing of demand and consumption