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Megger VLF CR-40 Operating Manual

Test system

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Table Of Contents

Table of Contents

Table of Contents
General Introduction
Safety Precautions
General Safety Precautions
Supplementary Guidelines
Danger Due to Returning Voltage from Space Charge
General Rules for Dealing with High Voltage
Technical Description
Technical Specification
VLF Test System 40 Kv
VLF Test System 60 Kv
Accessory Equipment
Description of the VLF Test System
Description of Components of the VLF Test System 40 / 60 Kv
Operating Module
Fig 3: Operating Module, Front View
Display of the Operating Module
VLF Test System as a Whole
Fig 5: Connections at the Right Hand Side of the VLF Test System
Fig 6: Connectors on the Rear of the VLF Test System
Protection Covers of the Modules
Fig 7: Protection Cover of the Operating Module
Fig 8: Shorting Device / Protection Cover of the HV Module
Transportation Protection Bottom from the Operating Module
Fig 9: Transportation Protection Bottom from the Operating Module
Description of the Test Method
Setting-Up Operation
Safety Precautions
Electrical Connection of the VLF Test System
General Rules for Making Connections
Connecting the Earth Cable
Connecting the Test Object
Connecting the Mains Cable
Fig 10: Connection of the Test Object
Execution of Tests
VLF / DC Test
Fig 11: Start Menu
Fig 12: Selection of the Operation Mode
Fig 13: Selection of the Test Voltage
Fig 14: Selection of the Test Time
Sheath Fault Location
Starting the Test / Location
Fig 16: HV on
Fig 18: Start Menu after the Test Has Been Finished
Additional Functions
Adjustment of Language
Viewing the System Information
Viewing / Setting the System Parameters
Entering / Changing the Administrator Password
Fig 22: Setup: Enter Password
Fig 23: Setup: Entered Password Ok
Returning to the Start Menu
Fig 24: Setup: Enter New Password
Fig 25: Setup: New Password Stored
Fig 26: Setup: Return to Start Menu
Optional Features
Detection of Breakdown and Short Circuit
Measurement of Leakage Current
Internal Protocol Printout
Fig 28: Setup: Protocol Printout off
Fig 29: Setup: Protocol Printout Standard
Using a Systemcard
Purpose of a Systemcard
Preparing a Systemcard
Logging to Systemcard
Fig 30: Setup: Protocol off
Fig 31: Setup: Protocol Extended
Operating the Test System with a Systemcard
Function User Setup / User Level
Re-Setting the System Settings / Deleting the Print Templates
Adjustment of the System Timer
Fig 36: Setup Date / Time
Fig 37: Setup Date / Time: Adjusting the Day of the Week
Fig 38: Setup Date / Time: Adjusting the Minutes
Fig 39: Setup Date / Time: Saving by F1
Maintenance and Troubleshooting
How to Exchange the Paper Roll or Ink Ribbon of the Printer
Fig 40: Unscrewing the Printer Front Cover
Fig 42: Removing the Ribbon Cartridge
Replacing the Battery of the System Clock
Fig 44: Inserting the Paper Roll into the Printer
Connecting Cables, HV Couplings
Operational and Error Messages
Classification of Messages
Operational Messages about State of System
Operational Messages about Switching Conditions
Error Messages and Warnings

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Operating Manual

VLF Test System

VLF CR−40 / 60 kV

Issue: 3 (01/2010) – EN

128312953

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Megger VLF CR-40 Operating Manual

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