EN 60477 : 1997 AMD 1 1997
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
LABORATORY D.C. RESISTORS
13-06-2022
12-01-2013
FOREWORD
PREFACE
1 Scope
2 Definitions
2.1 General terms
2.2 Characteristic values
2.3 Influence quantities, reference conditions,
nominal range of use
2.4 Errors and variations
2.5 Accuracy, accuracy class, class index
3 Classification
4 Limits of intrinsic error
5 Conditions for the determination of intrinsic errors
6 Permissible variations
6.1 Limits of variation
6.2 Conditions for the determination of the variations
6.3 Influence of self-heating (power dissipation)
6.4 Influence of position
7 Further electrical and mechanical requirements
7.1 Voltage tests and other safety requirements
7.2 Insulation resistance
7.3 Conditions of transport, storage and use
7.4 Point of connection
7.5 Provision of temperature measuring facilities
8 Markings and symbols
APPENDIX
A1 - Thermoelectric effects
A2 - Reference range and nominal range of use
A3 - Example of marking for a single resistor
A4 - Example of marking for a five-decade resistor
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