A collection of featured documents from our library that are popular among our users or otherwise noteworthy.
Cable trunking systems and cable ducting systems for electrical installations - Part 2-4: Particular requirements - Service poles and service posts
Coatings for loaded printed wire boards (conformal coatings) - Part 1: Definitions, classification and general requirements"
Coatings for loaded printed wire boards (conformal coatings) - Part 2: Methods of test
Coatings for loaded printed wire boards (conformal coatings) - Part 3-1: Specifications for individual materials - Coatings for general purpose (Class 1), high reliability (Class 2) and aerospace (Class 3)"
Round wire concentric lay overhead electrical stranded conductors
Measurement microphones - Part 1: Specifications for laboratory standard microphones
Electroacoustics - Measurement microphones - Part 2: Primary method for pressure calibration of laboratory standard microphones by the reciprocity technique
Electroacoustics - Measurement microphones - Part 3: Primary method for free-field calibration of laboratory standard microphones by the reciprocity technique
Measurement microphones - Part 4: Specifications for working standard microphones
Electroacoustics - Measurement microphones - Part 5: Methods for pressure calibration of working standard microphones by comparison
Measurement microphones - Part 6: Electrostatic actuators for determination of frequency response
Measurement microphones - Part 8: Methods for determining the free-field sensitivity of working standard microphones by comparison
Electromechanical contactors for household and similar purposes
Methods of measuring the characteristics of reproducing equipment for digital audio compact discs
Global maritime distress and safety system (GMDSS) - Part 1: Radar transponder - Marine search and rescue (SART) - Operational and performance requirements, methods of testing and required test results
Global maritime distress and safety system (GMDSS) - Part 12: Survival craft portable two-way VHF radiotelephone apparatus - Operational and performance requirements, methods of testing and required test results
Global maritime distress and safety system (GMDSS) - Part 14: AIS search and rescue transmitter (AIS-SART) - Operational and performance requirements, methods of testing and required test results
Global maritime distress and safety system (GMDSS) - Part 15: Inmarsat FB500 ship earth station - Operational and performance requirements, methods of testing and required test results
Global maritime distress and safety system (GMDSS) - Part 16: Ship earth stations operating in mobile-satellite systems recognized for use in the GMDSS - Operational and performance requirements, methods of testing and required test results
Global maritime distress and safety system (GMDSS) - Part 2: Cospas-Sarsat EPIRB - Emergency position indicating radio beacon operating on 406 MHz - Operational and performance requirements, methods of testing and required test results
Global maritime distress and safety system (GMDSS) - Part 3: Digital selective calling (DSC) equipment - Operational and performance requirements, methods of testing and required test results<br />
Global maritime distress and safety system (GMDSS) - Part 4: Inmarsat-C ship earth station and Inmarsat enhanced group call (EGC) equipment - Operational and performance requirements, methods of testing and required test results
Global maritime distress and safety system (GMDSS) - Part 6: Narrowband direct-printing telegraph equipment for the reception of navigational and meteorological warnings and urgent information to ships (NAVTEX)
Global maritime distress and safety system (GMDSS) - Part 7: Shipborne VHF radiotelephone transmitter and receiver - Operational and performance requirements, test methods and required test results
Global maritime distress and safety system (GMDSS) - Part 8: Shipborne watchkeeping receivers for the reception of digital selective calling (DSC) in the maritime MF, MF/HF and VHF bands - Operational and performance requirements, methods of testing and required test results