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Table of Contents
Chapter Title Page
1 Introduction ......................................................................................... 1-1
About this Manual.................................................................................. 1-3
Symbols................................................................................................. 1-3
CAT Identification .................................................................................. 1-4
Safety Instructions................................................................................. 1-4
Safety Instructions on Device Housing.................................................. 1-7
Mains Connection.............................................................................. 1-7
Input Voltage – Measuring Inputs...................................................... 1-8
Servicing and Maintenance ............................................................... 1-8
Design and Functions............................................................................ 1-8
Mains Connection and Interfaces ...................................................... 1-8
Functional Description ....................................................................... 1-10
Basic Measurements............................................................................. 1-18
Measurement Types.......................................................................... 1-18
Measurements................................................................................... 1-19
2 Getting Started .................................................................................... 2-1
Delivered Items ..................................................................................... 2-3
Setup ..................................................................................................... 2-4
Installation ......................................................................................... 2-4
Switching the Device On ................................................................... 2-4
Switching the Device Off ................................................................... 2-4
Simple Measurement - Function Check ................................................ 2-4
Transport and Storage .......................................................................... 2-9
Transport ........................................................................................... 2-9
Storage .............................................................................................. 2-9
3 Operation ............................................................................................. 3-1
Connections to Measuring Circuits........................................................ 3-3
Connecting Sequence ....................................................................... 3-3
Connection Diagrams ........................................................................ 3-4
1-Phase Measurement .................................................................. 3-4
3-Wire Network with Two Current Sensors (ARON2 Method)....... 3-5
3-Wire Network with Two Current Sensors (ARON2 Method,
Open Delta Method) ...................................................................... 3-7
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