Amprobe AMB-110 Insulation-Resistance-Tester User Manual
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AMB-110 10000V Insulation Resistance Tester
CONTENTS
SYMBOLS ..................................................................................................................................................3
SAFETY INFORMATION ............................................................................................................................3
MEANING OF SYMBOLS ...........................................................................................................................3
GENERAL PRECAUTIONS ..........................................................................................................................3
BATTERIES .................................................................................................................................................3
EXTERNAL VOLTAGES ..............................................................................................................................4
WORKING WITH THE INSTRUMENT ........................................................................................................4
HANDLING WITH CAPACITIVE LOADS ....................................................................................................4
UNPACKING AND INSPECTION ................................................................................................................4
FEATURES ..................................................................................................................................................5
OPERATION ...............................................................................................................................................6
Performing measurements ...................................................................................................................6
Autocalibration .....................................................................................................................................6
Mains powered instrument operation ................................................................................................7
Backlight operation (battery powered instrument) ...........................................................................7
Backlight operation (mains powered instrument) .............................................................................7
Off function ..........................................................................................................................................7
Configuration .......................................................................................................................................7
To clear all memory locations ..............................................................................................................8
MEASUREMENTS ......................................................................................................................................8
The purpose of insulation tests ...........................................................................................................8
DC vs. AC testing voltage .....................................................................................................................9
Typical insulation tests .........................................................................................................................9
Electrical representation of insulating material .................................................................................9
Basic Insulation resistance test .............................................................................................................10
Voltage dependence test – Step voltage test .....................................................................................10
POLARISATION INDEX ..............................................................................................................................11
DIELECTRIC DISCHARGE ...........................................................................................................................11
Withstanding voltage test ...................................................................................................................12
Humidity and insulation resistance measurements ............................................................................12
Guard terminal .....................................................................................................................................12
Filter options .........................................................................................................................................13
THE PURPOSE OF FILTERING ....................................................................................................................13
Example .................................................................................................................................................14
Voltage measurement ..........................................................................................................................14
Measurement procedure ......................................................................................................................14
Insulation Resistance measurement ....................................................................................................14
Measurement procedure ......................................................................................................................15
Setting up parameters for Insulation Resistance ................................................................................16
Enable/Disable the graph R(t) and Set-up the graph R(t) parameters in the Insulation Resistance function ..17
Diagnostic test ......................................................................................................................................18