Сайт использует cookie и счётчики посещений для работы и статистики. Политика конфиденциальности
Найдено: 60+
Overview ISO 3895:1986 specifies the essential dimensional characteristics of a screened and waterproof spark-plug (Type 2) and its connector for use in spark-ignition engines. The third edition (198…
Overview ISO 389-1:2017 - Acoustics - Reference zero for the calibration of audiometric equipment (Part 1) defines the reference equivalent threshold sound pressure levels (RETSPLs) used to calibrate…
Overview ISO 3896:1986 - Road vehicles: Screened and waterproof spark-plug and its connection - Type 3 - is the third edition (1986) International Standard specifying the essential dimensional charac…
Overview ISO 389-2:1994 defines the reference equivalent threshold sound pressure levels (RETSPL) for pure-tone audiometry when using insert earphones. It supplements the RETSPLs in ISO 389:1991 (to…
Overview - ISO 389-8:2004 (Acoustics, RETSPL for circumaural earphones) ISO 389-8:2004 specifies reference equivalent threshold sound pressure levels (RETSPLs) for pure tones from 125 Hz to 8 kHz for…
Overview ISO 3892:2000 specifies gravimetric methods to determine the coating mass per unit area of conversion coatings on metallic materials. It covers phosphate and chromate conversion coatings on…
Overview ISO 389-6:2007 - Acoustics - Reference zero for the calibration of audiometric equipment - Part 6 defines reference hearing threshold levels for short‑duration test signals used in audiometr…
Overview - EN ISO 389-7:2019 (Acoustics, Reference Threshold of Hearing) EN ISO 389-7:2019 specifies the reference threshold of hearing used to calibrate audiometric equipment when tests are performe…
Overview EN ISO 389-1:2018 (ISO 389-1:2017) - "Acoustics - Reference zero for the calibration of audiometric equipment - Part 1" defines the reference equivalent threshold sound pressure levels (RETS…
Overview EN ISO 389-3:2016 (ISO 389-3:2016) – "Acoustics - Reference zero for the calibration of audiometric equipment - Part 3" defines the reference equivalent threshold vibratory force levels (RET…
Overview - EN ISO 389-9:2009 (CEN) EN ISO 389-9:2009 - "Acoustics - Reference zero for the calibration of audiometric equipment - Part 9: Preferred test conditions for the determination of reference…
Overview EN ISO 389-6:2007 (ISO 389-6:2007) - Acoustics - Reference zero for the calibration of audiometric equipment - Part 6: Reference threshold of hearing for test signals of short duration - spe…
Overview EN ISO 389-5:2006 (CEN endorsement) defines reference equivalent threshold sound pressure levels (RETSPLs) for pure tones in the extended high‑frequency range 8 kHz to 16 kHz. It provides st…
Overview EN ISO 389-8:2004 (ISO 389-8:2004) defines reference equivalent threshold sound pressure levels (RETSPLs) for pure tones delivered by a specified model of circumaural earphone (SENNHEISER HD…
Overview - EN ISO 3892:2001 (ISO 3892:2000) EN ISO 3892:2001 specifies gravimetric methods for determining the coating mass per unit area of conversion coatings on metallic materials. It covers phosp…
Overview SIST EN ISO 389-2:1999 is an internationally recognized standard that addresses acoustics related to the calibration of audiometric equipment. Specifically, it defines reference equivalent t…
Overview EN ISO 389-4:1998 (ISO 389-4:1994) defines reference levels for narrow-band masking noise used in the calibration of audiometric equipment. It specifies how much narrow-band noise (presented…
Overview EN ISO 389-2:1996 is an internationally recognized standard that addresses acoustics related to the calibration of audiometric equipment. Specifically, it defines reference equivalent thresh…
1 Scope This International Standard specifies two laboratory methods for testing certain essential strength characteristics of disc wheels intended for road use on commercial vehicles, buses, trailer…
