531. BS EN ISO 3452-1. Non-destructive testing. Penetrant testing. Part 1. General principles (10th December 2019) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (29 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
532. Fans. Efficiency classification for fans. Driven fans at maximum operating speed Part 4, (6th December 2019) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (34 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
533. BS EN 4860. Aerospace series. Environmental testing. Test Xb: Abrasion of markings, letterings, surfaces and materials caused by rubbing of fingertips and hands. (16th January 2020) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (21 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
534. BS ISO/IEC 27035-3. Information technology. Information security incident management. Part 3. Guidelines for ICT incident response operations (23rd December 2019) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (40 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
535. BS 8468-4. Respiratory protective devices for use against chemical, biological, radiological and nuclear (CBRN) agents. Part 4. Powered air purifying respirators. Specification (3rd December 2019) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (19 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
536. Low-voltage surge protective devices. Requirements and test methods for SPDs for photovoltaic installations Part 31, (3rd December 2019) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (64 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
537. BS EN IEC 62832-1. Industrial-process measurement, control and automation. Digital factory framework. Part 1. General principles (29th November 2019) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (38 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
538. BS EN IEC 60079-14. Explosive atmospheres. Part 14. Electrical installations design, selection and erection (6th December 2019) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (129 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
539. BS EN 61386-23. Conduit systems for cable management. Part 23. Particular requirements. Flexible conduit systems (6th December 2019) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (15 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
540. BS 8468-3.2. Respiratory protective devices for use against chemical, biological, radiological and nuclear (CBRN) agents. Part 3.2. Air-purifying devices incorporating a hood for escape. Specification (3rd December 2019) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (14 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗