TM9230A-C1-002 November, 2021
2 November, 2021
Table of Contents
1.0 Introduction 1-1
1.1 Warranty 1-1
1.2 To Obtain Warranty or Calibration and Repair Service 1-2
1.3 Safety Information 1-3
2.0 9230A Series Precision dc current shunt Specifications 2-1
2.1 9230A Model Series 12 Month Specifications 2-1
3.0 Overview 3-1
3.1 General 3-1
3.2 Design Considerations 3-1
3.3 Measurement Ranges 3-2
3.4 Design Configurations 3-3
3.4.1 10 A to 150 A Standard Shunt Values 3-3
3.4.2 300 A to 500 A Standard Shunt Values 3-4
3.4.3 1000 A to 5000 A Standard Shunt Values 3-5
3.5 Cable Connections 3-6
3.5.1 Test Current Cable Requirements 3-6
3.5.2 Test Current Cable Connections 3-6
3.6 Custom Values 3-11
4.0 Calibration and Performance Verification 4-1
4.1 Introduction 4-1
4.2 Calibration Overview 4-1
4.3 Calibration Interval and Performance 4-1
4.4 Calibration Temperature Points 4-2
4.5 Equipment and Standards Required for Calibration 4-2
4.6 Routine Calibration 4-3
4.7 Calibration Procedure 4-6
5.0 Maintenance 5-1
5.1 Replaceable Parts 5-1
5.1.1 Common Parts (All Models) 5-1
5.1.2 Models 9230A-10 to 9230A-150 5-2
5.1.3 Models 9230A-300 and 9230A-500 5-2
5.1.4 Models 9230A-1000 and 9230A-1500 5-2
5.1.5 Models 9230A-3000 and 9230A-5000 5-2
5.1.6 High Current Cable Lead Sets 5-3