Microbiology of food and animal feeding stuffs - Polymerase chain reaction (PCR) for the detection and quantification of food-borne pathogens - Performance characteristics

Industrial-process control valves - Part 2-4: Flow capacity - Inherent flow characteristics and rangeability (IEC 60534-2-4:2009); German version EN 60534-2-4:2009

IEC 61643-312 Ed. 1.0: Components for low-voltage surge protective devices - Part 312: Preferred values and characteristics for gas discharge tubes

IEC 61300-3-29/Ed2: Fibre optic interconnecting devices and passive components - Basic test and measurement procedures - Part 3-29: Examinations and measurements - Spectral transfer characteristics of DWDM devices

Powerline communication apparatus used in low voltage installations - Radio disturbance characteristics - Limits and methods of measurement - Part 2: Apparatus for access-network use; German version prEN 50561-2:2015

Multimedia vibration audio systems - Method of measurement for audio characteristics of audio actuator by pinna-conduction (IEC 100/2815/CDV:2016); German version prEN 63059:2016

62220-1-2: Medical electrical equipment characteristics of digital X-ray imaging devices - Part 1-2: Determination of the detective quantum efficiency - Mammography detectors

IEC 62025-1 Ed.2: High frequency inductive components -Non-electrical characteristics and measuring methods Part 1: Fixed, surface mounted inductor for use in electronic and telecommunication equipment

Wheat flour - Physical characteristics of doughs - Part 2: Determination of rheological properties using an extensograph (ISO/FDIS 5530-2:2021); German version FprEN ISO 5530-2:2021

Wheat flour - Physical characteristics of doughs - Part 1: Determination of water absorption and rheological properties using a farinograph (ISO/FDIS 5530-1:2021); German version FprEN ISO 5530-1:2021