501. Direct acting indicating analogue electrical measuring instruments and their accessories. Special requirements for ammeters and voltmeters Part 2, (10th May 2021) 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) ↗
502. Direct acting indicating analogue electrical measuring instruments and their accessories. Special requirements for wattmeters and varmeters Part 3, (7th May 2021) 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) ↗
503. Direct acting indicating analogue electrical measuring instruments and their accessories. Specification for special requirements for ammeters and voltmeters Part 2, (31st August 1990) 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) ↗
504. Direct acting indicating analogue electrical measuring instruments and their accessories. Specification for special requirements for frequency meters Part 4, (31st August 1990) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (14 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
505. Direct acting indicating analogue electrical measuring instruments and their accessories. Specification for special requirements for multi-function instruments Part 7, (31st August 1990) 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) ↗
506. Direct acting indicating analogue electrical measuring instruments and their accessories. Specification for special requirements for ohmmeters (impedance meters) and conductance meters Part 6, (31st August 1990) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (14 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
507. Direct acting indicating analogue electrical measuring instruments and their accessories. Specification for special requirements for wattmeters and varmeters Part 3, (31st August 1990) 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) ↗
508. Direct-current potentiometers. (29th August 1980) 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) ↗
509. Direct-current resistive volt ratio boxes. (15th July 1999) 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) ↗
510. Double-capped fluorescent lamps. Performance specifications. (23rd July 2018) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (207 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗