281. Three-phase dry-type distribution transformers 50 Hz, from 100 to 2500 kVA with highest voltage for equipment not exceeding 36 kV. Supplementary requirements for transformers with highest voltage for equipment equal to 36 kV Part 2, (15th August 1996) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (8 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
282. Tracked Changes. Acoustics. Field measurements of airborne and impact sound insulation and of service equipment sound. Survey method. (30th November 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (98 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
283. 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) ↗
284. Tracked Changes. Acoustics. Measurement of noise emitted by accelerating road vehicles. Engineering method. Indoor testing M and N categories Part 3, (26th January 2023) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (178 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
285. Tracked Changes. Acoustics. Measurement of room acoustic parameters. Open plan offices Part 3, (28th March 2022) 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) ↗
286. Tracked Changes. Acoustics. Objective method for assessing the audibility of tones in noise. Engineering method. (22nd February 2023) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (98 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
287. Tracked Changes. Air conditioners, liquid chilling packages, heat pumps, process chillers and dehumidifiers with electrically driven compressors. Determination of the sound power level. Air conditioners, liquid chilling packages, heat pumps for space heating and cooling, dehumidifiers and process chillers Part 1, (16th May 2023) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (98 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
288. Tracked Changes. Assistive products. Hoists for the transfer of persons. Requirements and test methods. (10th December 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (200 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
289. Tracked Changes. Forestry and gardening machinery. Noise test code for portable hand-held machines with internal combustion engine. Engineering method (Grade 2 accuracy). (21st October 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (106 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
290. Tracked Changes. Heat exchangers. Hydronic room fan coil units. Test procedures for establishing the performance. (8th April 2022) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (82 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗