11. Electrical apparatus for the detection and measurement of combustible gases. Performance requirements for Group I apparatus indicating up to 5 % (V/V) methane in air. (20th December 1991) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (12 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
12. Electrical apparatus for the detection and measurement of combustible gases. Performance requirements for Group II apparatus indicating up to 100 % lower explosive limit. (20th December 1991) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (12 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
13. Electrical apparatus for the detection and measurement of oxygen. Performance requirements and test methods. (15th February 1999) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (16 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
14. Electrical apparatus for the detection and measurement of oxygen. Performance requirements and test methods. (15th September 1996) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (18 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
15. Emergency lighting. Code of practice for electrical low mounted way guidance systems for emergency use Part 2, (15th February 1998) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (10 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
16. Environmental testing. Test methods. Test Fc. Vibration (sinusoidal) Part 2-6, (15th February 1996) 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) ↗
17. Fire detection and alarm systems for buildings. Specification for optical beam smoke detectors Part 5, (31st March 1988) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (24 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
18. Guide on high-voltage testing techniques. Application guide for measuring devices Part 4, (28th November 1980) Authors: British Standards Institution, Other Names: British Standards Institution, publisher. Record Type: Book Extent: 1 online resource (44 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
19. Guide on high-voltage testing techniques. Measuring devices Part 3, (28th November 1980) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (12 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
20. Industrial platinum resistance thermometers and platinum temperature sensors. (20th July 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (32 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗