Specifies the requirements for standard interfaces employing ITU-T V.24/V.28 signalling for communications between the control and indicating equipment of an alarm system and transmission equipment used for remote communications, where the transmission equipment is general purpose equipment.(...)
Specifies the requirements for standard interfaces between the control and indicating equipment (CIE) of an alarm system and an alarm system transceiver where the alarm system transceiver is intended to plug into a standard space inside the CIE of the alarm system.
Specifies the design requirements and the performance characteristics of dose equivalent (rate) meters intended for the determination of ambient dose equivalent (rate) and directional dose equivalent (rate) as defined in ICRU Report 47.
Applies to portable or transportable dose equivalent (rate) meters and/or monitors for the measurement of ambient and/or directional dose equivalent (rate) from external beta, X and gamma radiation during emergency situations.
Applicable to insulating foam-filled tubes and solid rods, of a circular cross-section, made of synthetic materials and intended to be used for the manufacture and construction of tools and equipment for carrying out live work on electrical systems operating at voltages above 1 kV.
Applies to equipment intended to detect ionizing radiation from, and provide warning of, a criticality accident. Specifies the general characteristics, operating characteristics, electrical, mechanical, safety and environmental characteristics, test procedures and documentation.
Defines technical requirements for equipment for monitoring of alpha-, beta- or gamma-emitting radionuclides in liquid effluents and surface waters, provides general guidance as to the possible detection capability of such equipment and indicates when and where its uses may be practicable.
Provides requirements for the software of computer-based instrumentation and control (I&C) systems of nuclear power plants performing functions of safety category A as defined by IEC 61226. Provides requirements for the purpose of achieving highly reliable software.
IEC 60891:2009 defines procedures to be followed for temperature and irradiance corrections to the measured I-V (current-voltage) characteristics of photovoltaic devices. It also defines the procedures used to determine factors relevant for these corrections.
Applicable to conductive clothing, either assembled from component parts or forming a single complete clothing, worn by (electrically) skilled persons during live working (especially bare-hand working) at a nominal power system voltage up to 800 kV a.c. and ±600 kV d.c. It is applicable to(...)
Applicable to insulated and insulating hand tools used for working live or close to live parts at nominal voltages up to 1 000 V a.c. and 1 500 V d.c. This third edition cancels and replaces the second edition, published in 2004.
This standard is applicable to: - insulating gloves and mitts which should normally be used in conjunction with leather protector gloves worn over the insulating gloves to provide mechanical protection; - insulating gloves and mitts usable without over-gloves for mechanical protection.
Describes procedures for the measurement of current-voltage characteristics of photovoltaic devices in natural or simulated sunlight. Lays down basic requirements for the measurement, defines procedures for different measuring techniques in use and shows practices for minimising measurement(...)
IEC 60904-10:2009 describes procedures used to determine the degree of linearity of any photovoltaic device parameter with respect to a test parameter. It is primarily intended for use by calibration laboratories, module manufacturers and system designers.
Gives requirements for the classification, selection, packaging, marking, calibration and care of reference solar devices. Covers solar reference devices used to determine the electrical performance of solar cells, modules and arrays under natural and simulated sunlight.
IEC 60904-3:2008 describes basic measurement principles for determining the electrical output of PV devices. The principles given in this standard are designed to relate the performance rating of PV devices to a common reference terrestrial solar spectral irradiance distribution.
IEC 60904-4:2009 sets the requirements for calibration procedures intended to establish the traceability of photovoltaic reference solar devices to SI units as required by IEC 60904-2. Applies to photovoltaic (PV) reference solar devices that are used to measure the irradiance of natural or(...)
IEC 60904-5:2011 describes the preferred method for determining the equivalent cell temperature (ECT) of PV devices (cells, modules and arrays of one type of module), for the purposes of comparing their thermal characteristics, determining NOCT (nominal operating cell temperature) and(...)
IEC 60904-7:2008 describes the procedure for correcting the bias error introduced in the testing of a photovoltaic device, caused by the mismatch between the test spectrum and the reference spectrum and by the mismatch between the spectral responses (SR) of the reference cell and of the test(...)
Gives guidance for the measurement of the relative spectral response of both linear and non-linear photovoltaic devices.
Defines classifications of solar simulators for use in indoor measurements of terrestrial photovoltaic devices; solar simulators are classified as A, B or C for each of the three categories based on criteria of spectral distribution match, irradiance non-uniformity on the test plane and(...)
Gives recommendations on the data to be measured to enable an operator to diagnose developing deviations from normal functioning so as to take corrective action at an early stage.
Defines requirements for additional instrumentation to measure coolant parameters, which are of interest when abnormal conditions arise with either one or two phases of coolant or with gas included in the reactor vessel.
Defines a modular data-bus system for data acquisition, data processing and control. Gives mechanical, signal, electrical and protocol specifications that are sufficient to assure compatibility between units from different sources of design and production.
IEC 60951-1:2009 provides general guidance on the design principles and performance criteria for equipment to measure radiation and fluid (gaseous effluents or liquids) radioactivity levels at nuclear power plants during and after an accident. It specifies the general characteristics, general(...)
IEC 60951-2:2009 provides general guidance on the design principles and performance criteria for equipment for continuous off-line monitoring of radioactivity in gaseous effluents and ventilation air used in nuclear power plants for accident and post-accident conditions.
IEC 60951-3:2009 provides general guidance on the design principles and performance criteria for equipment for continuous high range area gamma monitoring in nuclear power plants for accident and post-accident conditions.
IEC 60951-4:2009 provides general guidance on the design principles and performance criteria for equipment for continuous in-line or on-line monitoring of radioactivity in process stream in nuclear power plants for accident and post-accident conditions.
Specifies very accurate testing of steam turbines to obtain the level of performance with minimum measuring uncertainty. Defines uniform rules for preparing and carrying out an evaluation of the acceptance tests.
Provides for acceptance tests of steam turbines of various types and capacities with appropriate measuring uncertainty. Only the relevant portion of these rules will apply to any individual case. The resulting measuring uncertainty of the test result is determined by calculating methods(...)