BS IEC 61501:1998

FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Definitions
4 Abbreviations
5 Principle of the mean square voltage method
6 Implementation of the mean square voltage method
   6.1 Linear analogue method: quadratic amplifier
   6.2 Logarithmic analogue method: logarithmic amplifier
   6.3 Digital method: digital mean square processor
7 Structure of a wide range channel
   7.1 Single - detector WRC
   7.2 Double - detector WRC
8 Technology of WRC
   8.1 Analogue wide range channel
   8.2 Digital wide range channel
9 Test conditions and test generators
   9.1 Environment test conditions
   9.2 Test equipment
10 Characteristics and test methods for preamplifiers
   10.1 Characteristics and test methods for preamplifiers
   10.2 Test methods for the preamplifier
11 Characteristics and test methods for quadratic
   amplifiers
   11.1 Characteristics of the quadratic amplifier
   11.2 Test methods for the quadratic amplifier
12 Characteristics and test methods for logarithmic
   amplifiers
   12.1 Characteristics of the logarithmic amplifier
   12.2 Test methods for the logarithmic amplifier
13 Characteristics and test methods for logarithmic
   summing amplifiers
   13.1 Characteristics of the summing amplifier
   13.2 Test methods for the summing amplifier
14 Characteristics and test methods for digital mean
   square processors (DMSP)
   14.1 Characteristics of the digital mean square
        processor
   14.2 Test methods for the DMSP
Annex A (informative) Applications of WCRs
Bibliography

Refers to instrument and measurement channels which generate a calculation of the mean square voltage (MSV) of a signal arising from a neutron detector, in order to extract from it information relating to the neutron fluence rate of a nuclear reactor.