Insulation resistance ‘IR’ test 15
Firmware filtering 15
Breakdown mode / burn mode 16
Alarm limit mode 16
Step voltage ‘SV’ test 16
Polarisation index ‘PI’ test, and dielectric absorption
ratio ‘DAR’ test 16
Dielectric discharge ‘DD’ test 17
Measurements above 100 GΩ 17
Circuit block diagram 18
Specifications 19
Accessories 20
Repair and warranty 21
Symbols used on the instrument are:
F Caution: risk of electric shock
G Caution: refer to accompanying notes
t Equipment protected throughout by Double
Insulation (Class II)
c Equipment complies with current EU directives.
Terms used in this manual
The word must is used to indicate that the instructions following should
be followed under all circumstances. Failure to follow these instructions
could result in damage to the instrument and / or a hazard to the operator.
The word
should is used to indicate that the instructions indicate best
practice.
CONTENTS
3
Safety warnings 2
Introduction 4
General description 4
Features 4
Cleaning 5
Power lead and battery charging 5
Instrument controls and indicators 6
Power On/Off button 7
Test voltage s and t buttons 7
Test start / stop button 7
Ω/I button 7
B button 10
Fn button 10
Mode button 10
Timer s and t buttons 11
Record button 11
Recording to on-board memory 11
Downloading results 11
Deleting results 11
Recording to a PC 12
High voltage warning LED 12
Line input present LED 12
Test terminals 12
Guard terminal 12
RS232 / USB connections 13
Battery bar graph 13
Voltage at terminals 13
Timer indicator 13
Digital display 13
Analogue display 14
Secondary display 14
Pre-Test / during test key action table 14
Test mode summary 15
Hardware filter 15
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