Engineering geodesy - Part 2: Site surveying

Metal boxes and boxes of insulating material for recessed mounting for accomodation of accessories up to 16 A 250 V and socket-outlets according to DIN 49445 and DIN EN 60309-2 (VDE 0623-2) up to 32 A 690 V - Main dimensions

Testing of lubricants - Analysis of greases by infrared spectrometer - Recording and interpretation of an infrared spectrum

Boxes and enclosures for electrical accessories for household and similar fixed electrical installations - Part 24: Particular requirements for enclosures for housing protective devices and other power dissipating electrical equipment (IEC 60670-24:2011, modified); German version EN 60670-24:2013 + A11:2023

Microbiology of the food chain - Horizontal method for the detection and enumeration of Listeria monocytogenes and of Listeria spp. - Part 1: Detection method - Amendment 1

Microbiology of the food chain - Horizontal method for the detection and enumeration of Listeria monocytogenes and of Listeria spp. - Part 2: Enumeration method - Amendment 1

Ophthalmic optics - Contact lenses and contact lens care products - Determination of preservative uptake and release

Microbiology of the food chain - Method validation - Part 2: Protocol for the validation of alternative (proprietary) methods against a reference method - Amendment 1:Revision of qualitative method comparison study data evaluation, relative level of detection calculations in the interlaboratory study, calculation and interpretation of the relative trueness study, and inclusion of a commercial sterility testing protocol for specific products (ISO 16140-2:2016/Amd 1:2024); German version EN ISO 16140-2:2016/A1:2024

Boxes and enclosures for electrical accessories for household and similar fixed electrical installations - Part 24: Particular requirements for enclosures for housing protective devices and other power dissipating electrical equipment (IEC 23B/1463/CDV:2023); Text in German and English

Vacuum cleaners and dust extractors providing equipment protection level Dc for the collection of combustible dusts - Particular requirements (IEC 61J/696/CDV:2018); Text in German and English