Feature LT310
LT320
LT330
3 Phase safe
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■
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Large clear display
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■
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Backlight
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Battery status indication
■
■
■
Auto power down
■
■
■
Fuse blown indication
■
■
■
L-N-E polarity indicators
■
■
■
Voltmeter range 500V
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■
■
Frequency measurement
■
■
Phase rotation indicator
■
■
Reverse polarity operation
(some models only)
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■
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Locking test button
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■
■
3 wire no trip loop test
■
■
■
2 wire high loop test
■
■
■
Phase-Phase loop test
■
■
PFC display
■
■
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INTRODUCTION
GENERAL DESCRIPTION
4
Thank you for purchasing the Megger Earth Loop Impedance Tester.
For your own safety and to get the maximum benefit from your
instrument, please ensure that you read and understand the following
safety warnings and instructions before attempting to use the instruments.
This user manual describes the operation and functions of the following
LT300 series of Loop Impedance Testers:
LT310
LT320
LT330
The LT300 series test instruments have
the following features