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  • Acoustics - Short Leq definition and use

    Standard [CURRENT] 2014-02-15

    FD S31-118:2014-02-15

    Acoustics - Short Leq definition and use

    from 50.60 EUR VAT included

    from 47.29 EUR VAT excluded

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  • Acoustics - Measurement of the influence of road surfaces on traffic noise - Part 1: Statistical pass-by method

    Standard [CURRENT] 2023-03-08

    NF S31-119-1:2023-03-08; NF EN ISO 11819-1:2023-03-08

    Acoustics - Measurement of the influence of road surfaces on traffic noise - Part 1: Statistical pass-by method

    from 125.10 EUR VAT included

    from 116.92 EUR VAT excluded

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  • Acoustics - Measurement of the influence of road surfaces on traffic noise - Part 2: the close-proximity method

    Standard [CURRENT] 2018-07-06

    NF S31-119-2:2018-07-06; NF EN ISO 11819-2:2018-07-06

    Acoustics - Measurement of the influence of road surfaces on traffic noise - Part 2: the close-proximity method

    from 152.10 EUR VAT included

    from 142.15 EUR VAT excluded

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  • Acoustics - In situ characterization of the acoustic qualities of road surfaces - Pass by acoustic measurement - Part 2: controlled pass-by method

    Standard [CURRENT] 2000-12-01

    NF S31-119-2:2000-12-01

    Acoustics - In situ characterization of the acoustic qualities of road surfaces - Pass by acoustic measurement - Part 2: controlled pass-by method

    from 104.40 EUR VAT included

    from 97.57 EUR VAT excluded

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  • Acoustics - Measurement of the influence of road surfaces on traffic noise - Part 3: reference tyres

    Standard [CURRENT] 2021-02-10

    XP S31-119-3:2021-02-10; XP ISO/TS 11819-3:2021-02-10

    Acoustics - Measurement of the influence of road surfaces on traffic noise - Part 3: reference tyres

    from 79.60 EUR VAT included

    from 74.39 EUR VAT excluded

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  • Acoustics - Description and measurement of environmental noise - Soil and weather conditions influence

    Standard [CURRENT] 2018-12-14

    NF S31-120:2018-12-14

    Acoustics - Description and measurement of environmental noise - Soil and weather conditions influence

    from 137.30 EUR VAT included

    from 128.32 EUR VAT excluded

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  • Air conditioners, liquid chilling packages, heat pumps, process chillers and dehumidifiers with electrically driven compressors - Determination of the sound power level - Part 1: air conditioners, liquid chilling packages, heat pumps for space heating and cooling, dehumidifiers and process chillers

    Standard [CURRENT] 2022-07-27

    NF S31-121-1:2022-07-27; NF EN 12102-1:2022-07-27

    Air conditioners, liquid chilling packages, heat pumps, process chillers and dehumidifiers with electrically driven compressors - Determination of the sound power level - Part 1: air conditioners, liquid chilling packages, heat pumps for space heating and cooling, dehumidifiers and process chillers

    from 113.70 EUR VAT included

    from 106.26 EUR VAT excluded

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  • Air conditioners, liquid chilling packages, heat pumps, process chillers and dehumidifiers with electrically driven compressors - Determination of the sound power level - Part 2: heat pump water heaters

    Standard [CURRENT] 2019-05-15

    NF S31-121-2:2019-05-15; NF EN 12102-2:2019-05-15

    Air conditioners, liquid chilling packages, heat pumps, process chillers and dehumidifiers with electrically driven compressors - Determination of the sound power level - Part 2: heat pump water heaters

    from 104.40 EUR VAT included

    from 97.57 EUR VAT excluded

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  • Acoustics - Requirements for sound pressure limiters, recorders and display units intended to be used during activities involving amplified sound - Part 1: technical requirements

    Standard [CURRENT] 2017-01-07

    NF S31-122-1:2017-01-07

    Acoustics - Requirements for sound pressure limiters, recorders and display units intended to be used during activities involving amplified sound - Part 1: technical requirements

    from 79.60 EUR VAT included

    from 74.39 EUR VAT excluded

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  • Heat exchangers - Hydronic room fan coils units - Determination of the sound power level

    Standard [CURRENT] 2022-07-27

    NF S31-126:2022-07-27; NF EN 16583:2022-07-27

    Heat exchangers - Hydronic room fan coils units - Determination of the sound power level

    from 91.10 EUR VAT included

    from 85.14 EUR VAT excluded

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