1. Analogue signals for process control systems. Specification for direct voltage signals Part 2, (31st March 1980) 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) ↗
2. Operating conditions for industrial-process measurement and control equipment. Power Part 2, (30th September 1980) 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) ↗
3. Operating conditions for industrial-process measurement and control equipment. Specification for temperature, humidity and barometric pressure Part 1, (30th September 1980) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (25 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗