491. Tracked Changes. Laboratory local exhaust devices. General requirements and type test methods for articulated extraction arms Part 1, (10th February 2023) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (76 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
492. Insulating liquids. Unused modified or blended esters for electrotechnical applications. (18th July 2019) 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) ↗
493. Fibre optic interconnecting devices and passive components. Reliability. High power qualification of passive optical components for environmental category C Part 9-4, (13th November 2018) 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) ↗
494. Connectors for electronic equipment. Tests and measurements. Test schedule for engaging and separating connectors under electrical load. Test 99a: Connectors used in twisted pair communication cabling with remote power Part 99-001, (30th November 2012) 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) ↗
495. Surface chemical analysis. Determination of the minimum detectability of surface plasmon resonance device. (26th January 2023) 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) ↗
496. Tracked Changes. Vitreous and porcelain enamels. Determination of surface scratch hardness according to the Mohs scale. (10th February 2023) 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) ↗
497. Printed electronics. Quality assessment. Organic light emitting diode (OLED) elements. Combined mechanical and environmental stress test methods for flexible OLED elements Part 502-2, (2nd August 2019) 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) ↗
498. Printed electronics. Quality assessment. Failure modes and mechanical testing. Flexible or bendable primary or secondary cells Part 501-1, (23rd January 2019) 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) ↗
499. Thermal insulation products for buildings. In-situ formed loose fill cellulose (LFCI) products. Specification for the products before installation Part 1, (3rd May 2019) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (70 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
500. Methods for calculating the main static performance indicators of transducers and transmitters. (4th September 2018) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (68 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗