1. Specification for direct acting indicating electrical measuring instruments and their accessories. (30th June 1978) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (55 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
2. Direct acting indicating analogue electrical measuring instruments and their accessories. Definitions and general requirements common to all parts Part 1, (15th June 1999) 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) ↗
3. 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) ↗