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NF F90-951-1 ; NF EN 16951-1:2018-05-30
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
NF F90-951-2 ; NF EN 16951-2:2018-06-20
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
NF F90-727-3 ; NF EN 16727-3:2017-03-15
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
NF C42-100-4 ; NF EN IEC 60051-4:2021-04-30
Direct acting indicating analogue electrical measuring instruments and their accessories tittle - Part 4: special requirements for frequency meters
Edition
2021-04-30
NF C42-100-1 ; NF EN 60051-1:2017-07-14
Direct acting indicating analogue electrical measuring instruments and their accessories - Part 1: definitions and general requirements common to all parts
Edition
2017-07-14
NF C42-100-5 ; NF EN IEC 60051-5:2018-03-16
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
NF C42-100-6 ; NF EN IEC 60051-6:2018-03-16
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
NF C42-100-7 ; NF EN IEC 60051-7:2018-03-16
Direct acting indicating analogue electrical measuring instruments and their accessories - Part 7: special requirements for multi-function instruments
Edition
2018-03-16
SN EN IEC 60051-4
Direct acting indicating analogue electrical measuring instruments and their accessories title - Part 4: Special requirements for frequency meters
Edition
2021-04
SN EN IEC 60051-2
Direct acting indicating analogue electrical measuring instruments and their accessories - Part 2: Special requirements for ammeters and voltmeters
Edition
2021-04