Найдено: 43
Overview ISO 389-3:2016 defines the reference zero for bone-conduction audiometric equipment by specifying Reference Equivalent Threshold Vibratory Force Levels (RETVFL) for pure tones and bone vibra…
Overview ISO 3894:2023 - Road vehicles - Wheels/rims for commercial vehicles - Test methods specifies two laboratory test methods to evaluate essential fatigue strength characteristics of disc wheels…
Overview ISO 3890-2:2009 (IDF 75-2:2009) is the international test-method standard for purification and confirmation of organochlorine pesticide residues in milk and milk products. As Part 2 of the I…
Overview ISO 389-7:2019 - "Acoustics - Reference zero for the calibration of audiometric equipment - Part 7" - defines the reference threshold of hearing for calibrating audiometric equipment used in…
Overview ISO 389-4:1994 - "Acoustics - Reference zero for the calibration of audiometric equipment - Part 4: Reference levels for narrow‑band masking noise" specifies standardized reference levels fo…
Overview ISO 389-9:2009 - "Acoustics - Reference zero for the calibration of audiometric equipment - Part 9" specifies preferred test conditions for determining human hearing thresholds used to estab…
Overview ISO 3890-1:2009 (IDF 75-1:2009) sets out general considerations and extraction methods for the determination of residues of organochlorine pesticides in milk and milk products. It defines th…
Overview ISO 3899:2005 specifies a laboratory method for the determination of residual acrylonitrile in nitrile rubber latices with a residual acrylonitrile content of less than 0,2 % (by mass). The…
Overview ISO 3898:2013 - Bases for design of structures - defines standardized names, symbols and units for physical and generic quantities used in the design of structures. It provides a compact set…
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 389-5:2006 is an international standard developed by the International Organization for Standardization (ISO) that specifies reference equivalent threshold sound pressure levels (RETSPLs…
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 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 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…
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…