BS IEC 62397:2007 - Nuclear power plants. Instrumentation and control important to safety. Resistance temperature detectors – BSI British Standards

BS IEC 62397:2007

Nuclear power plants. Instrumentation and control important to safety. Resistance temperature detectors

Status : Confirmed, Current   Published : June 2007

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HARDCOPY



This standard describes the requirements for the design, material selection, procurement, construction, and testing of resistance temperature detectors (RTDs) being used in nuclear power plants (NPPs). These RTDs may be used in both the nuclear safety I&C systems and/or in the non-safety-related instrumentation systems.

BS IEC 62397 is the international standard that describes the requirements for RTDs suitable for NPP services. The requirements of RTDs include design, materials, manufacturing, testing, calibration, procurement, and inspection. In nuclear application, both “direct-immersion” and “thermowell-mounted” RTD are commonly used; however, this standard does not exclude any other design of RTD which may be required for certain special applications in various types of reactors.

RTDs can be supplied in different internal constructions, which depend on the manufacture, qualifications, and applications. For RTD being used in an NPP, the design and structure of the RTD should consider the environmental conditions in which the detector is being used under normal operating and under design basis accident conditions, as well as the qualification tests specified by the user 1. The use of a flexible mineral-insulated (MI) cable between the RTD and the connector is commonly adopted, and the user may also adopt any other construction. A variation of this design may include a rigid exterior sheath over the MI cable between the RTD and the connector, these being welded to each other.

The scope of this standard does not cover the design, material selection, and construction of the thermowell, the guide tube, the extension cable, and the temperature transmitter or bridge which may be associated with the RTD.




Standard NumberBS IEC 62397:2007
TitleNuclear power plants. Instrumentation and control important to safety. Resistance temperature detectors
StatusConfirmed, Current
Publication Date29 June 2007
Confirm Date01 September 2013
Normative References(Required to achieve compliance to this standard)IEC 61224, IEC 60780:1998, IEC 60980:1989
Informative References(Provided for Information)IAEA 50-C/SG-Q:1996, IAEA NS-R-1:2000, IAEA NS-G 1-3
International RelationshipsIEC 62397:2007
Draft Superseded By06/30151216 DC
DescriptorsInspection, Performance, Control systems, Instruments, Detectors, Electric power stations, Nuclear-electric power stations, Temperature-measuring instruments, Temperature measurement, Resistance thermometers, Nuclear technology, Nuclear safety, Nuclear power
ICS27.120.20
Title in FrenchCentrales nucleaires de puissance. Instrumentation et controle commande importants pour la surete. Sondes a resistance
Title in GermanKernkraftwerke. Leittechnische Systeme mit sicherheitstechnischer Bedeutung. Widerstandsthermometer
CommitteeNCE/8
ISBN978 0 580 52907 8
PublisherBSI
FormatA4
DeliveryYes
Pages26
File Size1.447 MB
Price£182.00


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