311. Specification for uninterruptible power systems (UPS). EMC requirements Part 2, (15th September 1996) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (30 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
312. Specification for voltage transformers. (15th February 1993) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (60 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
313. Standard means for the reporting of the acoustic output of medical diagnostic ultrasonic equipment. (30th June 2013) 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) ↗
314. Standard test radio-frequency connectors. Generic specification. General requirements and test methods Part 1, (21st October 2019) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (30 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
315. Superconductivity. Electronic characteristic measurements. Surface resistance of high-temperature superconductors at microwave frequencies Part 7, (20th May 2020) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (50 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
316. Test code for the measurement of airborne noise emitted by rotating electrical machinery. Engineering method for free-field conditions over a reflecting plane Part 1, (28th June 1991) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (28 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
317. Test code for the measurement of airborne noise emitted by rotating electrical machinery. Survey method Part 2, (28th June 1991) 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) ↗
318. Thermal energy meters. Constructional requirements Part 2, (13th September 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (48 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
319. Total Access Communication System (T.A.C.S). Specification for performance requirements for mobile stations Part 1, (31st May 1990) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (74 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
320. Tracked Changes. Acoustics. Laboratory measurement of sound insulation of building elements. Measurement procedures and requirements Part 4, (27th September 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (52 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗