iii
Table of Contents
An Introduction to Dielectric Withstand Testing with the HT-PR .............................................................2
Safety Precautions ........................................................................................................................3
Test Personnel................................................................................................................3
Testing Area...................................................................................................................3
Safety Techniques ........................................................................................................................4
Using the HT-PR Dielectric Withstand Tester .............................................................................5
Ground Check ................................................................................................................5
Ground Check Failures ....................................................................................6
Defeating the Ground Check ...........................................................................6
Leakage Test ..................................................................................................................7
Sporadic Leakage Current Failures..................................................................7
Chronic Leakage Current Failures ...................................................................8
High Voltage Dielectric Withstand Test ........................................................................8
High Voltage Dielectric Withstand Test Failures ............................................8
High Voltage Discharge...................................................................................8
Testing Equipment with non-Standard Plugs or Pigtail Operation.................................9
Introduction and Specifications ..................................................................................................................10
Specifications ...............................................................................................................................11
Operation....................................................................................................................................................12
Setting up your Tester ..................................................................................................................12
AC Line Voltage Requirements....................................................................................................12
Fuse Replacement.........................................................................................................................13
Front and Rear Panel Features......................................................................................................13
Initial checkout procedure............................................................................................................18
Test Verification procedure when using the HTT-1 function checker:...........................18
Performance Test Using cables ......................................................................................19
Setting up the HT-PR for Production Line Testing ......................................................................22
Factory Settings..............................................................................................................22
High Voltage Level........................................................................................................23
High Voltage Test Time.................................................................................................24
Leakage Current Level...................................................................................................24
High Voltage Ramp Time ..............................................................................................25
Ground Resistance .........................................................................................................25
Ground resistance offset.................................................................................................26
Setting the Ground Check Switch ..................................................................................26
Operation Techniques ..................................................................................................................27
Daily Operation Test......................................................................................................27
Connections....................................................................................................................27
HT-PR output receptacle Description..............................................................27
Testing Connections ........................................................................................28
Test results .....................................................................................................................29
Hipot Pass........................................................................................................29
Red LED/Buzzer..............................................................................................29
Technical Assistance ..................................................................................................................................30
Maintenance and Calibration......................................................................................................................31
Introduction..................................................................................................................................31
Service Information......................................................................................................................31
General Maintenance....................................................................................................................32
Interior Access ...............................................................................................................32
Cleaning .........................................................................................................................32
Calibration Procedure...................................................................................................................32
Calibration and Software Version Information ..............................................................33
