09/30165791 DC : 0

Superseded

BS IEC 60737 - NUCLEAR POWER PLANT - INSTRUMENTATION IMPORTANT TO SAFETY - TEMPERATURE SENSORS (INCORE AND PRIMARY COOLANT CIRCUIT): CHARACTERISTICS AND TEST METHODS

Available format(s)

Hardcopy , PDF

Superseded date

08-31-2010

Language(s)

English

Publisher

British Standards Institution

FOREWORD
1 Scope
2 Normative references
3 Definitions
4 General considerations
  4.1 Requirements for temperature measurements
  4.2 Safety Applications
  4.3 Nuclear conditions
5 Temperature sensors
  5.1 RTD
  5.2 Thermocouple
  5.3 Other temperature sensors
  5.4 Comparison between RTD and Thermocouples
6 Characteristics of a temperature sensor
  6.1 General
  6.2 Installation
      6.2.1 Thermowell
      6.2.2 Cables
  6.3 Functional characteristics
      6.3.1 Sensitivity
      6.3.2 Response time
      6.3.3 Linearity
  6.4 Accuracy in temperature measurements
  6.5 Mechanical characteristics
7 Temperature measurement System design
  7.1 General requirements
      7.1.1 General
      7.1.2 Environmental conditions
      7.1.3 Classification
      7.1.4 Performances
  7.2 Site implementation
      7.2.1 Environmental conditions and operation
      7.2.2 Operating mode
      7.2.3 Calibration
      7.2.4 Measuring range and accuracy
      7.2.5 Electrical conditions
8 Manufacturing and test methods
  8.1 General
  8.2 Pre production testing
  8.3 Production processes and testing
      8.3.1 General
      8.3.2 Factors for sheathed thermocouples
      8.3.3 Factors for RTD
  8.4 Tests on site
9 Qualification tests
  9.1 Principles
  9.2 Test sequence on a sensor
  9.3 Test for environmental conditions
      9.3.1 Temperature test
      9.3.2 Pressure test
      9.3.3 Other tests
  9.4 Seismic tests

Committee	NCE/8
DocumentType	Draft
Pages	26
PublisherName	British Standards Institution
Status	Superseded
SupersededBy	BS IEC 60737:2010

IEC 62342:2007	Nuclear power plants - Instrumentation and control systems important to safety - Management of ageing
IEC 61226:2009	Nuclear power plants - Instrumentation and control important to safety - Classification of instrumentation and control functions
IEC 60584-3:2007	Thermocouples - Part 3: Extension and compensating cables - Tolerances and identification system
IEC 62385:2007	Nuclear power plants - Instrumentation and control important to safety - Methods for assessing the performance of safety system instrument channels
IEC 60980:1989	Recommended practices for seismic qualification of electrical equipment of the safety system for nuclear generating stations
IEC 62460:2008	Temperature - Electromotive force (EMF) tables for pure-element thermocouple combinations
IEC 61515:2016	Mineral insulated metal-sheathed thermocouple cables and thermocouples
IEC 60751:2008	Industrial platinum resistance thermometers and platinum temperature sensors
IEC 60780:1998	Nuclear power plants - Electrical equipment of the safety system - Qualification
IEC 60709:2004	Nuclear power plants - Instrumentation and control systems important to safety - Separation
IEC 62397:2007	Nuclear power plants - Instrumentation and control important to safety - Resistance temperature detectors
IEC 60584-1:2013	Thermocouples - Part 1: EMF specifications and tolerances