171. BS EN 63232-1-2. Live working. Hand protective devices against the thermal hazards of an electric arc. Part 1-2. Test methods. Method 2. Determination of arc protection class of hand protective devices by using a constrained and directed arc (box test) (6th September 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (39 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
172. BS EN 63373. Dynamic on-resistance test method guidelines for GaN HEMT based power conversion devices. (8th April 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (17 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
173. BS EN IEC 60079-30-1. Explosive atmospheres. Part 30-1. Electrical resistance trace heating. General and testing requirements (14th January 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (79 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
174. BS EN IEC 60747-18-5. Semiconductor devices. Part 18-5. Semiconductor bio sensors. Evaluation method for light responsivity characteristics of lens-free CMOS photonic array sensor package modules by incident angle of light (7th May 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (13 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
175. BS EN IEC 60747-5-14. Semiconductor devices. Part 5-14. Optoelectronic devices. Light emitting diodes. Test method of the surface temperature based on the thermoreflectance method (28th August 2020) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (22 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
176. BS EN IEC 60747-5-15. Semiconductor devices. Part 5-15. Optoelectronic devices. Light emitting diodes. Test method of the flat-band voltage based on the electroreflectance spectroscopy (28th August 2020) 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) ↗
177. BS EN IEC 60747-5-4. Semiconductor devices. Part 5-4. Optoelectronic devices. Semiconductor lasers (1st November 2019) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (33 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
178. BS EN IEC 60793-1-1. Optical fibres. Part 1-1. Measurement methods and test procedures. General and guidance (30th April 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (13 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
179. BS EN IEC 60793-1-22. Optical fibres. Part 1-22. Measurement methods and test procedures. Length measurement (20th June 2023) 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) ↗
180. BS EN IEC 60794-1-212. Optical fibre cables. Part 1-212. Generic specification. Basic optical cable test procedures. Environmental test methods. Temperature cycling with cable elements fixed at both ends, Method F12 (27th May 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (11 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗