Railway applications - Track - Noise barriers and related devices acting on airborne sound propagation - Procedures for assessing long term performance - Part 1: acoustic characteristics
Edition 2018-05-30

Railway applications - Track - Noise barriers and related devices acting on airborne sound propagation - Procedures for assessing long term performance - Part 2: non-acoustic characteristics
Edition 2018-06-20

Railway applications - Track - Noise barriers and related devices acting on airborne sound propagation - Non-acoustic performance - Part 3: general safety and environmental requirements
Edition 2017-03-15

Direct acting indicating analogue electrical measuring instruments and their accessories tittle - Part 4: special requirements for frequency meters
Edition 2021-04-30

Direct acting indicating analogue electrical measuring instruments and their accessories - Part 1: definitions and general requirements common to all parts
Edition 2017-07-14

Direct acting indicating analogue electrical measuring instruments and their accessories - Part 5: special requirements for phase meters, power factor meters and synchroscopes
Edition 2018-03-16

Direct acting indicating analogue electrical measuring instruments and their accessories - Part 6: special requirements for ohmmeters (impedance meters) and conductance meters
Edition 2018-03-16

Direct acting indicating analogue electrical measuring instruments and their accessories - Part 7: special requirements for multi-function instruments
Edition 2018-03-16

Direct acting indicating analogue electrical measuring instruments and their accessories title - Part 4: Special requirements for frequency meters
Edition 2021-04

Direct acting indicating analogue electrical measuring instruments and their accessories - Part 2: Special requirements for ammeters and voltmeters
Edition 2021-04