Standardized designation system for poly(phenylene ether) engineering thermoplastics | Materials engineering guide Introduction to ISO 28941-1 ISO 28941-1:2008 establishes a designation system for poly(phenylene ether) (PPE) moulding and extrusion materials. PPE is a family of high-performance engineering thermoplastics known for…

Reference hearing threshold distributions for otologically normal persons aged 18-25 under free-field conditions | Audiological engineering guide Introduction to ISO 28961 ISO 28961:2012 specifies the statistical distribution of hearing thresholds of otologically normal persons in the age range from 18…

Laboratory method using test wheels of known unbalance for vibration emission measurement | Engineering guide Introduction to ISO 28927-4 ISO 28927-4:2010 specifies a laboratory method for measuring hand-transmitted vibration emission at the handles of straight grinders. Together with ISO 28927-1…

Laboratory measurement of hand-transmitted vibration for drilling tools | Engineering technical guide Introduction to ISO 28927-5 ISO 28927-5:2009 specifies a laboratory method for measuring hand-transmitted vibration emission at the handles of hand-held power-driven drills and impact drills. It replaces ISO…

Laboratory method for measuring vibration from hand-held rammers for soil compaction | Engineering guide Introduction to ISO 28927-6 ISO 28927-6:2009 specifies a laboratory method for measuring hand-transmitted vibration emission at the handles of hand-held power-driven rammers. This standard replaces ISO…

Laboratory measurement of hand-transmitted vibration for sheet metal cutting tools | Engineering guide Introduction to ISO 28927-7 ISO 28927-7:2009 specifies a laboratory method for measuring hand-transmitted vibration emission at the handles of hand-held power-driven nibblers and shears. Replacing ISO 8662-10:1994,…

A comprehensive technical guide to vibration emission testing of angle and vertical grinders according to ISO 28927-1 Introduction to ISO 28927-1 and Its Scope ISO 28927-1:2019 is a key standard within the ISO 28927 series that specifies laboratory test methods…

Laboratory measurement of hand-transmitted vibration emission for threaded fastener tools | Engineering technical guide Introduction to ISO 28927-2 ISO 28927-2:2009 specifies a laboratory method for measuring hand-transmitted vibration emission at the handles of hand-held power-driven wrenches, nutrunners and screwdrivers used…

Laboratory measurement of hand-transmitted vibration for surface-finishing power tools | Engineering guide Introduction to ISO 28927-3 ISO 28927-3:2009 specifies a laboratory method for measuring hand-transmitted vibration emission at the handles of hand-held power-driven polishers and rotary, orbital and random orbital…

A comprehensive technical guide to vibration emission testing of percussive drills, hammers and breakers according to ISO 28927-10 Introduction to ISO 28927-10 ISO 28927-10:2011 specifies a laboratory test method for measuring vibration emission from hand-held percussive drills, hammers, and breakers.…

A comprehensive technical guide to vibration emission testing of stone hammers according to ISO 28927-11 Introduction to ISO 28927-11 ISO 28927-11:2011 specifies laboratory test methods for measuring vibration emission from hand-held stone hammers. These tools are specialized percussive instruments used…

A comprehensive technical guide to vibration emission testing of die grinders according to ISO 28927-12 Introduction to ISO 28927-12 ISO 28927-12:2012 specifies laboratory test methods for measuring vibration emission from hand-held die grinders. These compact, high-speed rotary tools are widely…

A comprehensive technical guide to vibration emission testing of fastener driving tools (nailers, staplers) according to ISO 28927-13 Introduction to ISO 28927-13 ISO 28927-13:2022 is the most recent addition to the ISO 28927 series, specifying laboratory test methods for measuring…

Environmental meteorology — Wind velocity measurement using pulsed Doppler lidar | Atmospheric sensing guide Introduction to ISO 28902-2 ISO 28902-2:2017 specifies requirements for ground-based remote sensing of wind using heterodyne pulsed Doppler lidar. Developed by ISO/TC 146/SC 5, this standard…

Environmental meteorology — Wind profiling using CW Doppler lidar technology | Atmospheric sensing guide Introduction to ISO 28902-3 ISO 28902-3:2018 specifies requirements for ground-based remote sensing of wind using continuous-wave (CW) Doppler lidar. Developed by ISO/TC 146/SC 5, this standard…

Design, manufacturing and production testing of cryogenic and low-temperature service valves | Valve engineering guide Introduction to ISO 28921-1 ISO 28921-1:2022 specifies requirements for design, material selection, manufacturing, and production testing of isolating valves for low-temperature applications. This second edition…

A comprehensive technical guide to type testing requirements for cryogenic isolating valves according to ISO 28921-2 Introduction to ISO 28921-2 and Its Importance ISO 28921-2:2015 specifies type testing requirements for isolating valves intended for low-temperature applications, particularly in cryogenic service…