A collection of featured documents from our library that are popular among our users or otherwise noteworthy.
Electroacoustics - Audio-frequency induction loop systems for assisted hearing - Part 1: Methods of measuring and specifying the performance of system components
Electroacoustics - Audio-frequency induction loop systems for assisted hearing - Part 2: Methods of calculating and measuring the low-frequency magnetic field emissions from the loop for assessing conformity with guidelines on limits for human exposure
ESL measuring method - Part 1: Capacitors with lead terminal for use in electronic equipment
ESL measuring method - Part 2: Surface mount capacitors for use in electronic equipment
Industrial systems, installations and equipment and industrial products - Labelling of cables and cores
Assessment of lighting equipment related to human exposure to electromagnetic fields
Medical electrical equipment - Exposure index of digital X-ray imaging systems - Part 1: Definitions and requirements for general radiography
Nuclear instrumentation - Portable X-ray fluorescence analysis equipment utilizing a miniature X-ray tube
Optical circuit boards - Part 1: General
Optical circuit boards - Basic test and measurement procedures - Part 2: General guidance for definition of measurement conditions for optical characteristics of optical circuit boards
Optical circuit boards - Part 2-1: Measurements - Optical attenuation and isolation
Optical circuit boards - Part 2-2: Measurements - Dimensions of optical circuit boards
Optical circuit boards - Basic test and measurement procedures - Part 2-4: Optical transmission test for optical circuit boards without input/output fibres
Optical circuit boards - Basic test and measurement procedures - Part 2-5: Flexibility test for flexible opto-electric circuits
Optical circuit boards - Part 3: Performance standards - General and guidance
Optical circuit boards - Part 3-1: Performance standards - Flexible optical circuit boards using unconnectorized optical glass fibres
Optical circuit boards - Part 4: Interface standards - General and guidance
Optical circuit boards - Part 4-1: Interface standards Terminated waveguide OCB assembly using single-row twelve-channel PMT connectors
Optical circuit boards - Part 4-214: Interface standards - Terminated waveguide OCB assembly using a single-row thirty-two-channel symmetric PMT connector
Optical circuit boards - Part 4-3: Interface standards - Terminated waveguide OCB assembly using a single-row thirty-two-channel PMT connector intermateable with a 250 m pitch MPO 16
Railway applications - Insulation coordination - Part 2: Overvoltages and related protection
Railway applications - Environmental conditions for equipment - Part 1: Equipment on board rolling stock
Railway applications - Environmental conditions for equipment - Part 2: Fixed electrical installations
Railway applications - Environmental conditions for equipment - Part 3: Equipment for signalling and telecommunications
Railway applications - Current collection systems - Pantographs, testing methods for contact strips