BS IEC 61935-1-2:2018
$86.31
Specification for the testing of balanced and coaxial information technology cabling – Installed balanced cabling as specified in ISO/IEC 11801. Additional requirements for measurement of resistance unbalance with field test instrumentation
Published By | Publication Date | Number of Pages |
BSI | 2018 | 14 |
IEC 61935-1-2:2018 specifies additional reference measurement procedures for measurement of resistance unbalance with field test instrumentation, and the requirements for field tester accuracy to measure resistance unbalance according to the requirements of ISO/IEC 11801-1.
PDF Catalog
PDF Pages | PDF Title |
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2 | undefined |
4 | English CONTENTS |
5 | FOREWORD |
7 | 1 Scope 2 Normative references 3 Terms and definitions 4 Reference measurement procedure for resistance unbalance 4.1 Reference measurement procedure for resistance unbalance within a pair |
8 | 4.2 Reference measurement procedure for resistance unbalance between pairs 4.3 Measurement setup for field measurement of resistance unbalance parameters 5 Field tester requirements for resistance unbalance measurements 5.1 General Figure 1 – Measurement setup |
9 | 5.2 Data reporting and accuracy 5.2.1 Detailed results 5.2.2 Summary results Table 1 – Additional field test requirements for resistance unbalance measurements |
10 | 6 Field tester accuracy performance requirements for resistance unbalance measurements 7 Accuracy models 7.1 Error model for DC loop resistance Table 2 – Field tester summary reporting requirements for resistance unbalance measurements Table 3 – Accuracy requirements for resistance unbalance measurements |
11 | 7.2 Error model for resistance unbalance 7.3 Comparison to reference measurements 7.4 Procedures for determining field tester parameters 7.4.1 General 7.4.2 Constant error term of DC loop resistance for loop resistance measurements 7.4.3 Error term proportional to the DC loop resistance for loop resistance measurements 7.4.4 Constant error term of resistance unbalance for resistance unbalance measurements |
12 | 7.4.5 Error term proportional to the DC loop resistance for resistance unbalance measurements |