Vitrek 944i - Default Chapter; Table of Contents

Introduction .........................................................................................................1
Certification & Warranty Statement .......................................................................1
Safety Precautions ..................................................................................................2
1 Getting Started
Unpacking...............................................................................................................3
Initial Adjustments..................................................................................................3
Front Panel Layout .................................................................................................4
Rear Panel Layout...................................................................................................5
Instructions for Bench Use .....................................................................................6
Instructions for Rack Mounting..............................................................................6
Earth Ground Connection .......................................................................................6
Current Detection Circuitry ....................................................................................6
2 Direct Mode Operation
DC Dielectric Strength Testing...............................................................................7
AC Dielectric Strength Testing...............................................................................8
Insulation Resistance (Megaohm) Measurement....................................................10
Earth Continuity (Low Ohms) Measurement..........................................................11
3 Automatic Mode Operation
DC Dielectric Strength Testing...............................................................................13
AC Dielectric Strength Testing...............................................................................15
Insulation Resistance (Megaohm) Measurement....................................................17
Earth Continuity (Low Ohms) Measurement..........................................................18
Adding Test Steps...................................................................................................19
Storing Tests ...........................................................................................................19
Recalling Tests........................................................................................................20
Editing Tests ...........................................................................................................20
Printing Test Reports ..............................................................................................21
Aborting Tests ........................................................................................................21
4 Test Connections
Test Connection Safety Precautions .......................................................................23
Connecting to Earth Grounded Devices .................................................................23
Connecting to Non-Grounded Devices...................................................................24
Typical Electrical Safety Test Connection .............................................................25
5 Systems Controls
Running Self Tests..................................................................................................27
Setting System Clock..............................................................................................28
Beeper Control........................................................................................................28
Selecting Arc Sensitivity ........................................................................................28
Enabling Auto Ground Testing...............................................................................29
Enabling Ramp Down.............................................................................................29
Ramp Current Limit................................................................................................29
Safety Interlock.......................................................................................................30
Front Panel Lockout ..............................................................................................30
Pass/Fail Counters .................................................................................................30