31. Calibration of optical time-domain reflectometers (OTDR). OTDR for single-mode fibres Part 1, (30th November 2014) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (94 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
32. Calibration of optical time-domain reflectometers (OTDR). OTDR for multimode fibres Part 2, (30th November 2014) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (48 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
33. Measuring relays and protection equipment. Functional requirements for over/under voltage protection Part 127, (28th February 2014) 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) ↗
34. BS EN ISO 9300. Measurement of gas flow by means of critical flow nozzles. (22nd July 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (129 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
35. BS EN IEC 55016-4-6. Specification for radio disturbance and immunity Measuring apparatus and methods. Part 4-6. Uncertainties, statistics and limit modelling. Statistics on radio frequency interference (RFI) and verification by measurements in the field (13th August 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (35 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
36. BS ISO 11171. Hydraulic fluid power. Calibration of automatic particle counters for liquids. (17th August 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (59 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
37. Tracked Changes. Surface chemical analysis. X-ray photoelectron spectroscopy. Reporting of methods used for charge control and charge correction. (12th October 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (54 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
38. BS ISO 4359. Flow measurement structures. Rectangular, trapezoidal and U-shaped flumes. (17th November 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (87 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
39. BS EN IEC 60947-5-7. Low-voltage switchgear and controlgear. Part 5-7. Control circuit devices and switching elements. Requirements for proximity devices with analogue output (17th December 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (46 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗
40. Methods for volumetric measurement of liquid hydrocarbons. Displacement meter systems (other than dispensing pumps) Part 1, (30th November 1981) 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) ↗