Rechercher

Defines the methods for measurement and interpretation of results for power quality parameters in 50/60 Hz a.c. power supply systems. The power quality parameters considered in this standard are power frequency, magnitude of the supply voltage, flicker, supply voltage dips and swells, voltage interruptions, transient voltages, supply voltage unbalance, voltage and current harmonics and…

Gives a functional and design specification for flicker measuring apparatus intended to indicate the correct flicker perception level for all practical voltage fluctuation waveforms. Information is presented to enable such an instrument to be constructed. A method is given for the evaluation of flicker severity on the basis of the output of flickermeters complying with this standard. This…

Applies to all switchgear and their assemblies for alternating current of rated voltages of 72,5 kV and above for indoor and outdoor installation, including their supporting structure rigidly connected to the ground. Where switchgear and their assemblies are not ground mounted, e.g. in a building, conditions for application are subject to agreement between users and manufacturers. The seismic…

Applies to all commercially available optical amplifiers (OAs) including optical fibre amplifiers (OFAs) using active fibres and semiconductor optical amplifiers (SOAs) using semiconductor gain media. Although the Jones matrix eigenanalysis (JME) test method is in principle also applicable to unpumped (that is, unpowered) OAs, the JME technique in this standard applies to pumped (that is, powered…

Provides the physical interface specifications for the SFF MU duplex 20-pin fibre optic transceiver module family. The physical requirements of an optical transceiver that will enable mechanical interchangeability of transceivers complying to this specification both at the printed circuit wiring board and for any panel-mounting requirement are specified.

Provides the physical interface specifications for the SFF LC 20-pin fibre optic transceiver module family. The physical requirements of an optical transceiver that will enable mechanical interchangeability of transceivers complying with this specification both at the printed-circuit wiring board and for any panel-mounting requirement are spcified.

ISO 13419:2003 specifies the requirements for spacecraft packet telemetry systems. Packet telemetry is a concept which facilitates the transmission of space-acquired data from source to user in a standardized highly automated manner. Packet telemetry provides a mechanism for implementing common data transport structures and protocols, which may enhance the development and operation of space…

ISO/TR 10305-2:2003 specifies techniques for calibrating electromagnetic field sensors and probes, excluding antennas, used in automotive testing for the measurement of magnetic fields at frequencies from 9 kHz to 40 GHz. In the automotive field, these field strength measuring devices are used for measurements specified in the various parts of ISO 11451 and ISO 11452.

This International Standard specifies the requirements for single-use materials and reusable containers used for packaging of terminally sterilized medical devices, whether produced industrially or in health care facilities. This International Standard outlines principal requirements for packaging process development and validation for the manufacturer of terminally sterilized medical devices.…

Provides the physical interface specifications for the SFF MT-RJ-20 fibre optic transceiver module family. The physical requirements of an optical transceiver that will enable mechanical interchangeability of transceivers complying with this standard both at the printed circuit wiring board and for any panel-mounting requirement are specified.