Найдено: 25
Overview ISO 4869-1:2018 - "Acoustics - Hearing protectors - Part 1: Subjective method for the measurement of sound attenuation" defines a laboratory, subjective method to measure the sound attenuati…
Overview ISO 4869-2:2018 - "Acoustics - Hearing protectors - Part 2" specifies standardized methods to estimate the effective A‑weighted sound pressure level when hearing protectors are worn. It defi…
Overview - ISO 4869-3:2007 (Acoustics, ear-muff insertion loss) ISO 4869-3:2007 specifies a laboratory method to measure the insertion loss of ear-muff type hearing protectors using an acoustic test…
Overview ISO 486:1988 is an international standard developed by the International Organization for Standardization (ISO) that specifies the precise cutting and perforating dimensions for 16 mm motion…
Overview ISO 4865-1:2023 - Dentistry: General requirements of hand instruments - Part 1: Non-hinged hand instruments specifies common requirements and test methods for rigid, non‑hinged dental hand i…
Overview ISO 4863:1984 specifies the information that users and manufacturers should exchange about resilient shaft couplings (also called elastic couplings) to ensure clear communication for selecti…
Overview ISO 4866:2010 - Mechanical vibration and shock - Vibration of fixed structures - Guidelines for the measurement of vibrations and evaluation of their effects on structures - provides practic…
Overview - ISO 4861:2023 (Ships and marine technology - Piling barge winches) ISO 4861:2023 specifies requirements for the design, operation, performance and acceptance testing of hydraulic or electr…
Overview ISO 48-6:2018 is an international standard published by ISO that specifies the method for determining the apparent hardness of rubber-covered rollers using the International Rubber Hardness…
Overview ISO 4862:2023 is an international standard developed by the International Organization for Standardization (ISO) that specifies the design, operation, performance, and acceptance testing req…
Overview ISO 4864:2023 - Ships and marine technology - Jacking system appliances on self-elevating unit - General requirements defines general design, testing and marking requirements for jacking sys…
Overview ISO 4869-6:2019 - "Acoustics - Hearing protectors - Part 6" specifies standardized test methods for determining the sound attenuation of active noise reduction (ANR) earmuffs. The standard d…
1 Scope This document specifies a method for the determination of the apparent hardness, expressed in International Rubber Hardness Degrees (IRHD), of vulcanized- or thermoplastic-rubber roller cover…
1 Scope This document specifies general requirements for the jacking system appliances on self-elevating unit, especially for the rack and pinion jacking system and yoke and pin jacking system . This…
1 Scope This document is concerned with active noise reduction (ANR) earmuffs. It specifies the test methods for the determination of the active insertion loss and calculation procedures for deriving…
1 Scope This document specifies the requirements for the design, operation, performance and acceptance test of the hydraulic or electric winches for trailing suction hopper dredgers. This document sp…
What is ISO 4869‑1- Subjective method for the measurement of sound attenuation for hearing protectors about? ISO 4869‑1 discusses hearing protectors. ISO 4869‑1 is an international standard that prov…
1 Scope This International Standard establishes principles for carrying out vibration measurement and processing data with regard to evaluating vibration effects on structures. It does not cover the…
1 Scope This part of ISO 4869 specifies a method for measuring the insertion loss of ear-muff type hearing protectors using an acoustic test fixture . The method is applicable to the investigation of…
1 Scope This document specifies requirements and test methods common to all non-hinged hand instruments used in dentistry, including materials, hardness, surface finish, resistance to reprocessing an…
1 Scope This document specifies the requirements for the design, operation, performance and acceptance test of the hydraulic or electric winches in piling barge winch systems. This document specifies…
1 Scope This Technical Report specifies a physical test method for level-dependent sound-restoration ear-muffs. The physical measurements are made with the acoustic test fixture (ATF) according to IS…