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Space systems. Evaluation of radiation effects on Commercial-Off-The-Shelf (COTS) parts for use on low-orbit…

Ophthalmic optics - Mounted spectacle lenses (ISO 21987:2017)

Overview EN ISO 21987:2017 - Ophthalmic optics: Mounted spectacle lenses specifies requirements and test methods for mounted spectacle lenses in relation to the prescription order. Published by CEN a…

Ophthalmic optics - Mounted spectacle lenses (ISO 21987:2017)

Overview EN ISO 21987:2017 - Ophthalmic optics: Mounted spectacle lenses specifies requirements and test methods for mounted spectacle lenses in relation to the prescription order. Published by CEN a…

Ophthalmic optics — Mounted spectacle lenses

Assembly tools for screws and nuts — Ratcheting wrenches — Technical requirements

Overview ISO 21982:2020 specifies technical requirements and dimensions for ratcheting wrenches used to assemble or disassemble hexagonal and double-hexagonal fasteners. It covers both combination ra…

Space systems — Evaluation of radiation effects on Commercial-Off-The-Shelf (COTS) parts for use on low-orbit…

Overview ISO 21980:2020 - "Space systems - Evaluation of radiation effects on Commercial‑Off‑The‑Shelf (COTS) parts for use on low‑orbit satellite" provides guidance for evaluating radiation effects…

Ophthalmic optics — Mounted spectacle lenses

Overview ISO 21987:2017 - Ophthalmic optics - Mounted spectacle lenses specifies the requirements and test methods for spectacle lenses after they have been mounted in frames, relative to the prescri…

Sodium hydrogen carbonate for industrial use — Determination of sodium carbonate — Titrimetric method

Ships and marine technology — Guidelines for measurement, evaluation and reporting of vibration with regard t…

Overview - ISO 21984:2018 (Ships and marine technology - Vibration guidelines) ISO 21984:2018 provides guidance for the measurement, evaluation and reporting of shipboard vibration with regard to hab…

Abrasion-resistant cast irons — Classification

Overview ISO 21988:2006 - Abrasion-resistant cast irons - Classification defines grades of abrasion-resistant white cast irons by chemical composition and Brinell hardness. The standard covers three…

Guidelines for the harvesting, transportation, separation of stigma, drying and storage of saffron before pac…

Overview ISO 21983:2019 provides comprehensive guidelines for the harvesting, transportation, separation of stigma, drying, and storage of saffron before packing. This international standard ensures…

Ophthalmic optics. Mounted spectacle lenses.

Ships and marine technology. Guidelines for measurement, evaluation and reporting of vibration with regard to…

Abrasion-resistant cast irons. Classification.

Guidelines for the harvesting, transportation, separation of stigma, drying and storage of saffron before pac…

Assembly tools for screws and nuts. Ratcheting wrenches. Technical requirements.