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2-11

2.3 Functional Description

Operation modes The Easytest system offers the following operation modes:

• DC testing (Hipot) up to 20 kV negative output voltage for testing the dielectric

strength of new or disconnected cables (particularly

for paper insulated lead

cables (PILC))

• AC testing up to 20 kV AC voltage for testing the dielectric strength of new or

disconnected cables.

• Sheath fault testing: up to 5 kV / 10 kV

• Sheath fault pinpointing: up to 10 kV; duty cycling 1:3

Features The Easytest combines the following features in a single device:

• Test parameters like test duration and test voltage can be specifically specified for

each operation mode. Setting the test duration to 0 minutes causes a permanent

test which can be interrupted by the HV off button (7).

• The test voltage can be adjusted using the navigation buttons even if the test is

already running.

• Leakage current measurement

• Automatic current range switch

• Automatische Strombereichsumschaltung

• Constantly updated bargraph indicating the progress of the running test

Options

Depending on the present system configuration, the Easytest

offers the following

additional functions:

• Logging function to analyze / archive test data using Excel or WinkisVLF

• External voltage protection

• Trolly for easier transport of the Easytest unit

Standard scope of

delivery

The following items are included with the standard shipment of the Easytest:

• 2.5 m mains power cable

• 1.5 m earthing cable

• 3.5 m HV connection cable

• Phase terminal

• Earth connection terminal

• Accessory bag

• Manual

Megger Easytest 20 kV User Manual

Questions and Answers: