Megger Baker AWA-IV User manual

Baker AWA-IV
Static Motor Analyzer
User Guide

www.megger.com

Baker AWAIV
Static Motor Analyzer
User Guide
Part number: 71-015 EN
Revision: V16
Publication date: January, 2020
Copyright © 2020 Megger Baker Instruments
All rights reserved.
Megger Baker Instruments
4812 McMurry Avenue
Fort Collins, Colorado 80525 USA
Telephone: [phone] (USA Only)
Fax: [phone]
Email: [e-mail] [e-mail]
Web: https://us.megger.com or https://us.megger.com/support/customer-support
Information furnished in this manual is believed to be accurate and reliable. However, Megger Baker Instruments
assumes no responsibility for the use of such information or for any infringements of patents or other rights of third
parties that may result from its use. No license is granted by implication or otherwise under any patent rights of
Megger Baker Instruments.
NOTICE: No part of this document may be reproduced in part or in full by any means, such as photocopying,
photographs, electronic recording, videotaping, facsimile, and so on without written permission from Megger Baker
Instruments.
Megger Baker Instruments assumes no liability for damages consequent to the use of this product.
CAUTION: Please read and thoroughly understand the contents of this entire guide before performing any
installation of this product. Failure to follow the instructions and safety precautions in this manual can result in
serious injury, damage to the product, damage to other equipment, or a malfunctioning system. Keep this guide in
a safe and ready location for future reference.
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Electrical and Calibration Standards
All Megger Baker Instruments standards are either certified directly or are traceable to certification by the National
Institute of Science and Technology, formerly the United States Bureau of Standards. To obtain other information
concerning calibration, contact Megger Baker Instruments.
Equipment Return
Before returning any equipment or components to Megger Baker Instruments, the following steps should be taken:
1. Call the Megger Baker Instruments Fort Collins service department at [phone]. Give the service
representative a full description of the reason for the return, including any diagnostic or troubleshooting actions
taken. Please provide the specific model and serial number of the instrument.
2. Equipment returned to Megger Baker Instruments must be packaged in such a manner that it will reach the
factory undamaged from transit.
3. For non-warranty repairs, Megger Baker Instruments service will provide a cost estimate for your approval prior to
your shipping.
Megger Acquisition of Baker Instruments
Megger Group Limited, a manufacturer of electronic test equipment and measuring instruments for power
applications, acquired the Baker Instruments business from SKF Group in August of 2018
For over 50 years, the Baker Instruments business has led the electrical motor testing industry and has a recognized
leading brand and position in this area. As such, legacy products will carry the Baker Instruments or SKF brands,
which will be supported by Megger moving forward.
Patents
#US04768380 • #US05679900 • #US05845230 • #US05854553 • #US05992237 • #US06006164 • #US06199422
• #US06202491 • #US06275781 • #US06489884 • #US06513386 • #US06633822 • #US6,789,025 •
#US6,792,360 • US 5,633,811 • US 5,870,699 • #WO_03_048714A1
Trademarks
Megger is a registered trademark of Megger Group Limited.
All other trademarks are the property of their respective owners.
NOTE: This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant
to Part 15 of the FCC rules. These limits are designed to provide reasonable protection against harmful interference
with the equipment if it is operated in its installation. This equipment generates, uses, and can radiate radio-
frequency energy and, if not installed and used in accordance with the product manual, may cause harmful
interference to radio communications. If this equipment does cause harmful interference, the user is required to
correct the interference.
Due to the phenomena being observed and the material properties being measured, this equipment radiates radio
frequency energy while in active test mode. Care should be taken to make sure this radio frequency energy causes
no harm to individuals or other nearby equipment.
Notices
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Declaration of Conformity
Megger Group Limited—Baker Instruments
4812 McMurry Ave. Suite 100
Fort Collins, CO 80525 USA
Equipment Description: Testers for Surge, DC Hi-Pot, and Winding Resistance of motors.
Equipment Model Designations: Baker AWA-IV-2, Baker AWA-IV-4, Baker AWA-IV-6, and Baker AWA-IV-12.
Application of Council Directive 72/23/EEC on the harmonization of the laws related to Member States relating
to electrical equipment designed for use within certain voltage limits, as amended by: Council Directive 93/68/
EEC and Council Directive 89/336/EEC on the approximation of the laws related to Member States relating to the
electromagnetic compatibility, as amended by: Council Directive 93/68/EEC. Note: due to the phenomena being
observed and the material properties being measured, this equipment does radiate radio frequency energy while in
the active test mode.
Referenced Safety Standards
EN 61010-1
Referenced EMC Standards
EN 61326:2001
EN 55011 Class A
EN 61000-3-2
EN 61000-3-3
EN 61000-4-2
EN 61000-4-3
EN 61000-4-5
EN 61000-4-5
EN 61000-4-6
EN 61000-4-11I, the undersigned, hereby declare that the equipment specified above conforms to the above
Directives and Standards.
Signature:
Printed Name: Craig Powers
Title: Quality and continuous improvement leader
Notices
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Notices
iv Baker AWA-IV 71-015 EN V16 User Guide www.megger.com

Contents
1 — Baker AWA-IV Safety and General Information....................................................... 1
Instrument Notices..................................................................................................................... 1
General ...................................................................................................................................... 1
When Used with a Baker Power Pack ......................................................................................... 1
Safety Information..................................................................................................................... 1
General Safety Warnings............................................................................................................. 2
Test Related Warnings................................................................................................................. 2
Equipment Stop Button............................................................................................................. 3
Product Safety Category—Measurement Connection............................................................. 3
Voltage....................................................................................................................................... 3
Safety, Hazard, and Warning Symbols on the Tester............................................................... 4
Baker ZTX E-stop and Remote E-stop ....................................................................................... 4
2 — Baker AWA-IV Instrument Overview ........................................................................ 5
Baker AWA-IV 2 kV/4 kV Model Front Panel............................................................................ 6
Baker AWA-IV 6 kV/12 kV Model Front Panel.......................................................................... 8
Baker AWA-IV 6 kV Model Distinctions ....................................................................................... 9
Setting Up the Baker AWA-IV Tester ........................................................................................ 10
Selecting an Optimal Environment .............................................................................................. 10
Making Basic Connections and Starting the Analyzer .................................................................. 10
Connecting Test Leads to a Motor for Testing.............................................................................. 10
Configuring a Printer .................................................................................................................. 12
Using the Footswitch .................................................................................................................. 12
3 — Database Management and Maintenance ............................................................. 13
Database Management ............................................................................................................. 13
Consequences of Not Organizing Data ....................................................................................... 13
Starting the Software ............................................................................................................... 13
Creating a New Database.......................................................................................................... 14
Opening an Existing Database .................................................................................................. 15
Using Multiple Databases.......................................................................................................... 16
Data Transfer Feature ................................................................................................................ 17
Transferring Motor and Test Results Data .................................................................................... 17
Transferring Test IDs .................................................................................................................... 20
Archiving a Database ................................................................................................................ 21
Restoring a Database................................................................................................................. 22
4 — Baker AWA-IV Software Overview ......................................................................... 25
Starting the Software ............................................................................................................... 25
Creating a New Database.......................................................................................................... 26
Opening an Existing Database .................................................................................................. 27
Using Version 4 Software for the First Time............................................................................. 28
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Main Window ............................................................................................................................ 29
Main Menu ................................................................................................................................. 30
File Menu ................................................................................................................................... 30
View Menu................................................................................................................................. 31
Database Menu .......................................................................................................................... 32
Window Menu ........................................................................................................................... 32
Tools Menu................................................................................................................................. 33
Capturing Screens....................................................................................................................... 33
Help Menu ................................................................................................................................. 34
Overriding the Open Ground Interlock.................................................................................. 36
Toolbar ....................................................................................................................................... 37
Tabs ............................................................................................................................................. 38
Explore Tab ................................................................................................................................. 38
Motor ID Tab .............................................................................................................................. 39
Route Tab ................................................................................................................................... 40
Adding a Route .......................................................................................................................... 41
Renaming a Route ...................................................................................................................... 41
Deleting a Route......................................................................................................................... 41
Editing Motor IDs on an Existing Route ....................................................................................... 42
Modifying List Elements Displayed in the Motor ID and Route Tabs.............................................. 43
Viewing Test Data ...................................................................................................................... 44
Using the Data Tab..................................................................................................................... 45
Motor Location Fields ................................................................................................................. 46
Motor ID Field............................................................................................................................. 46
Data Tab—Nameplate View ........................................................................................................ 47
Adding a New Motor.................................................................................................................. 48
Updating an Existing Motor’s Nameplate Information.................................................................. 48
Deleting an Existing Motor from the Database ............................................................................ 48
Data Tab—Application View ....................................................................................................... 49
Test Params Feature .................................................................................................................... 50
Data Tab—Results Summary View............................................................................................... 51
Data Tab—Surge View ................................................................................................................ 52
Data Tab—Pi View ...................................................................................................................... 54
Data Tab—Step/Ramp-Voltage View ........................................................................................... 55
Using the Tests Tab..................................................................................................................... 57
Test Setup .................................................................................................................................. 58
Temperature/Resistance Test Setup Window................................................................................ 58
Manually Entering Resistance Measurements .............................................................................. 61
Wye-wound Resistance Measurement......................................................................................... 61
Delta-wound Resistance Measurement........................................................................................ 61
Coil Resistances .......................................................................................................................... 61
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DC Tests Configuration Window ................................................................................................. 62
Ramp Voltage Test ...................................................................................................................... 63
Step Voltage Test ....................................................................................................................... 64
Surge Test Setup Window ........................................................................................................... 65
E Bar Graph ................................................................................................................................ 68
Creating a Surge Test Reference.................................................................................................. 69
Testing a Reference Motor .......................................................................................................... 70
Testing a Production Motor by Comparing with a Reference Motor............................................. 71
Viewing Surge Test Results.......................................................................................................... 72
Using the Trending Tab.............................................................................................................. 73
Max Delta R% ........................................................................................................................... 74
Resistance Trending Graphs ........................................................................................................ 74
Insulation Resistance/Megohm.................................................................................................... 75
PI................................................................................................................................................ 76
HiPot .......................................................................................................................................... 76
Relative Humidity........................................................................................................................ 77
Additional Trending Tab Features................................................................................................. 77
5 — Test Procedures......................................................................................................... 79
Before Testing Begins.................................................................................................................. 79
Recommended Testing Sequence ................................................................................................ 79
Balance Resistance Test or Line-to-Line Resistance ....................................................................... 79
Megohm Test ............................................................................................................................. 80
DA/PI Test ................................................................................................................................... 80
HiPot Test ................................................................................................................................... 81
Step Voltage Test ........................................................................................................................ 81
Surge Test................................................................................................................................... 83
Recommended Test Voltages for Insulation Resistance Testing.............................................. 83
Recommended Test Voltages for HiPot and Surge Tests ......................................................... 83
Performing an Example Test...................................................................................................... 84
Creating a Test ID........................................................................................................................ 84
Creating a Motor ID.................................................................................................................... 88
Setting Up Temperature and Resistance Test................................................................................ 90
Setting up DC Tests..................................................................................................................... 91
Setting up Surge Tests................................................................................................................. 93
Running an Automatic Test ......................................................................................................... 95
Reviewing Test Results and Data............................................................................................... 98
Single-phase Testing .................................................................................................................. 101
Single-coil Testing ...................................................................................................................... 102
Go/No Go Surge Testing ............................................................................................................. 102
Single-coil Testing Using a Test Reference.................................................................................... 107
Printing Reports ......................................................................................................................... 111
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Creating a New Motor Voltage Class........................................................................................ 116
Surge Testing Notes and Recommendations ............................................................................ 117
Surge Testing with Rotor Removed (typically motor shop testing) ................................................ 117
Surge Testing with Rotor Installed (typically field testing) ............................................................. 117
Surge Testing DC Motors ............................................................................................................ 117
False P-P EAR Failures.................................................................................................................. 117
Surge Test Underpowered........................................................................................................... 117
Surge Testing through Capacitors................................................................................................ 118
6 — Using the Baker AT101 ZTX with Baker AWA-IV Analyzers ................................ 119
Low-impedance Armature or Coil Testing................................................................................ 119
Principles of Armature Insulation Testing ............................................................................... 119
Connecting Baker AWA-IV to the Baker ZTX Accessory .......................................................... 120
Armature Preparation ................................................................................................................. 121
Setting Up a Surge Test for Armature Bar-to-bar Testing ....................................................... 122
Running the Manual Armature Surge Test Using the Baker ZTX............................................ 125
Reviewing Test Results and Data............................................................................................... 128
Printing Reports ......................................................................................................................... 130
Generating CSV Files .................................................................................................................. 131
Appendix A — Baker AWA-IV Troubleshooting........................................................... 133
Self-help and Diagnostics .......................................................................................................... 133
Repair Parts ................................................................................................................................ 133
Step #1: Basic Information......................................................................................................... 133
Step #2: Applications or Service Problem? ............................................................................... 133
Applications: What to do First..................................................................................................... 134
Common Application Problems................................................................................................... 134
Precautions for Proper Operation ................................................................................................ 135
Service: What to do First ............................................................................................................. 135
Open Condition Display .............................................................................................................. 135
HiPot Display Checks .................................................................................................................. 135
HiPot Overcurrent Trip Check ...................................................................................................... 136
Open Ground Check................................................................................................................... 136
Limited Output Surge Waveform................................................................................................. 136
Proper Storage of Leads/Unit....................................................................................................... 136
Checking Test Leads for Broken Sections..................................................................................... 137
Overcurrent Trip Test ................................................................................................................... 137
Open Circuit Test to Verify Analyzer Operation............................................................................ 137
Third-party Software Warning..................................................................................................... 137
Warranty Return ........................................................................................................................ 138
Warranty Return Form ................................................................................................................ 138
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Appendix B — Technical Specifications and Applicable Standards............................ 139
Calibration Information............................................................................................................. 139
Baker AWA-IV 2 kV and 4 kV Tester Specifications.................................................................. 139
Baker AWA-IV 6 kV, 12 kV, and 12 kVHO Tester Specifications............................................... 141
Environmental Specifications .................................................................................................... 142
Applicable Standards ................................................................................................................. 143
Appendix C — Recommended Test Voltages ............................................................... 145
Recommended DC Voltages for Insulation Resistance Test..................................................... 145
Recommended DC HiPot and Surge Test Voltages................................................................... 145
Appendix D — Details of Customizable Motor Identifiers ......................................... 147
Customizable Motor Identifiers ................................................................................................ 147
Appendix E — Database Definition.............................................................................. 151
Version 4.0 Database Definition ............................................................................................... 151
Nameplate Table—(MotorID).................................................................................................... 152
Test Results Table—(TestResults) ............................................................................................... 153
Memo Table—(Memo)............................................................................................................... 155
Polarization Index Test Results Table—(TestResultsPI)............................................................. 156
Step Voltage Test Results Table—(TestResultsPrgHiPot) .......................................................... 157
Surge Test Results Table—(SurgeWaveform) ........................................................................... 158
Test Results Parameters Table—(TestResultsParameters)......................................................... 159
Test ID Table—(TestId)................................................................................................................ 162
Step Voltage Test ID Table—(TestIdPrgHiPot) .......................................................................... 165
Reference Surge Waveform Table— (RefSrgWaveForm)......................................................... 165
Database Information table—(DatabaseInfo).......................................................................... 166
Work List Table—(Route)........................................................................................................... 166
Motor Voltage Class Table—(MotorVoltageClasses) ................................................................ 166
Appendix F — Baker AWA-IV Specific Winding Faults................................................ 167
Index ............................................................................................................................... 171
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1 — Baker AWA-IV Safety and General Information
Instrument Notices
CAUTION: Be sure to comply with all safety and proper operating procedures when setting up and using the tester.
Failure to do so can result in injury to personnel or damage to equipment.
General
The AWA-IV analyzers are equipped with open ground detection circuitry. The open ground check feature provides
an indication that the AC power source is not properly grounded. The presence of an open ground warning limits
operation of high-voltage testing. This circuitry should not hinder operation of GFI protected AC power circuits.
Before use:
Make sure the analyzer’s test leads are not connected together.
Make sure no printer is hooked up to the USB port.
When Used with a Baker Power Pack
When used with a Baker Power Pack, the analyzer gets its AC power from the power pack, so if the power pack is
unplugged, the analyzer is also off.
Before use:
Do not allow the analyzer’s test leads to lie anywhere near the power pack test leads. The unit’s leads should
coil on top of the unit or loop on the power pack handle. Otherwise, the leads could interfere with tester
measurements.
Make sure the analyzer’s (host) ground test lead is not grounded when conducting tests using a power pack.
During use:
Do not switch the test leads or change the Test Select switch while a test is in progress.
If the power pack connection to the tester is maintained and the power pack is turned off, I/O lines are
influenced. This will cause problems with the analyzer’s operation.
NOTICE: A power pack is purchased with and calibrated to the Baker DX or Baker AWA-IV tester host that it is
shipped with. The tester is certified to work only with that power pack.
Safety Information
If the equipment is used in a manner not specified by the manufacturer, the protection provided by the equipment
may be impaired.
Read and follow all safety precautions and safe operating practices in your guide. Do not exceed maximum operating
capabilities of the Baker AWA-IV tester, power packs, or the Baker ZTX accessory.
The general safety information presented here is for both operating and service personnel. You will find specific
warnings and cautions throughout this manual where they apply.
If using the equipment in any manner not specified by Megger, the protection provided by the equipment may be
impaired.
WARNING: Failure to heed the following safety precautions can result in injury or death from severe
electrical shock.
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General Safety Warnings
Do not remove the product covers or panels, or operate the tester without the covers and panels properly
installed. Components on the inside of the tester carry voltage for operation and can render a shock if touched.
Use appropriate safety equipment required by your organization, including high-voltage gloves and eye
protection.
The devices covered in this manual are not waterproof or sealed against water entry.
The devices covered in this manual are intended for indoor use. If using outdoors, you must protect the device(s)
from rain, snow, and other contaminants.
Repair parts warning: You must replace defective, damaged or broken test leads with factory-authorized parts to
ensure safe operation and maintain performance specifications.
Ground the product: The devices covered in this manual are grounded through the power cord’s grounding
conductor. To avoid electrical shock, plug the power cord into a properly wired/grounded receptacle before
connecting the product test leads.
WARNING: DANGER FROM LOSS OF GROUND. Upon loss of the protective ground connection, all
accessible conductive parts, including knobs and controls that may appear to be insulated, can cause an
electric shock!
NOTICE: The ground-fault system on the Baker AWA-IV requires a proper ground for the tester to operate properly
in all modes. When the Baker AWA-IV tester is used as a host to a power pack, improper grounding can also affect
operation of the power pack
Test Related Warnings
Two-party operation is recommended only when using proper equipment (such as the remote E-Stop) and when
taking appropriate precautions so both operators are aware of all conditions at all times.
Always know what test is being performed and when. For example, do not adjust test leads when operating a
footswitch. Leads will have live voltage and severe electrical shock may result.
For capacitor-started motors or systems with surge arrestors/power factor capacitors, be sure to disconnect all
capacitors from the test circuit before testing.
Upon completion of any DC HiPot, Megohm, polarization index (PI), step voltage, or dielectric absorption (DA)
tests, be sure to short the winding to ground and allow time for discharge before disconnecting the test leads. If
you do not do this, voltage may build up on the winding. Some industry standards suggest allowing a winding
to discharge four times the total amount of time that DC voltage is applied to the winding.
If the tester is removed from the windings before complete discharge, short winding leads together and ground
them using appropriate jumper cables.
Disconnect the tester leads before energizing or powering up the motor.
Never attempt to test a winding with both host and power pack leads attached to the winding at the same time.
Damage to the tester will occur.
Baker AWA-IV Safety and General Information
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Equipment Stop Button
The Baker AWA-IV tester features a red Equipment Stop (E-Stop) button on the front panel of the unit. Use it to
quickly discontinue a test and to shut off power to the unit’s high-voltage circuitry.
The button will remain locked in position until manually retracted by rotating the E-Stop button clockwise.
Fig 1: Baker AWA-IVs showing E-Stop buttons (1).
Product Safety Category—Measurement Connection
Only Megger supplied test leads designed for this instrument provide the full safety rating.
Voltage
The rated measurement connection voltage is the maximum line to earth voltage at which it is safe to connect.
Baker AWA-IV Safety and General Information
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Safety, Hazard, and Warning Symbols on the Tester
Table 1: Safety and hazard icons on the tester’s outer case.
Icon Description
Warning about hazardous voltage and risk of injury or death from severe electrical
shock. Located beside each red test lead on front panel of instrument and on back of
unit.
Frame or chassis terminal. Located on rear panel of instrument by ground terminal.
Connects to PPX power pack ground terminal when used with PPX. Also used to
connect to known good ground source when Ground Check Enable is disabled.
Protective conductor terminal. Located beside black ground test lead on front panel of
instrument.
The Danger notice label appears on the top of the Baker AWA-IV unit.
Baker ZTX E-stop and Remote E-stop
The Baker ZTX can be used with the Baker AWA-IV 6/12kV models. The Baker ZTX unit and the remote E-Stop unit
are both equipped with a red Equipment Stop button. The Equipment Stop button is on top of the Baker ZTX unit
and it is in the line with the status lights on the remote E-Stop accessory.
Fig 2: Baker ZTX and remote components.
Item Description
1 Baker ZTX
2 Remote E-stop accessory
3 E-stop buttons
After being pressed, the button will remain locked in position until manually retracted by rotating the E-Stop button
clockwise. A warning message will appear on the Baker AWA-IV screen.
Baker AWA-IV Safety and General Information
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2 — Baker AWA-IV Instrument Overview
The Baker AWA-IV automatically performs repeatable, user-programmable tests to thoroughly assess the strength of
a motor’s insulation and circuit. The analyzer can be programmed to perform a specific set of insulation tests in the
shop or office, then used as programmed in the field. The AWA-IV is also used to assure quality of motor rebuilds or
new production motors before they are placed into service.
The Baker AWA-IV features an intuitive, touch-screen user interface. It delivers accurate repeatable results,
performing a comprehensive set of both high- and low-voltage tests. Results are presented in simple, easy-to-
understand graphs and reports that give motor maintenance professionals the information they need to minimize
costs and unplanned downtime.
The ability to apply identical tests to a given motor over a long period allows trends to be analyzed, revealing the
degradation of insulation over the motor’s lifetime. This allows maintenance professionals to predict motor failure
and replacement planning.
The AWA-IV offers computer control and waveform monitoring. The analyzer’s embedded computer conducts the
tests, stores the results, and continuously monitors voltage levels while testing. If the analyzer detects a weakness in
the insulation during a given test, the test is interrupted, the operator is alerted, and all test parameters at the time of
the interruption are reported.
The AWA-IV’s benefits can be extended to low-impedance coils—such as armatures—through the use of the Baker
ZTX low impedance coil accessory. The ZTX allows the AWA-IV to apply surge tests to coils that require higher
currents.
Model ranges: 2 kV, 4 kV, 6 kV, 12 kV.
12 kV HO (high-output) version for performing surge tests on large motors and generators.
Testing capabilities: winding resistance, Megohm, PI, DA, DC step-voltage, DC hipot and surge.
Compatible with Baker PPX Power Packs to extend testing voltage range (6 kV, 12 kV, 12 kV HO versions only).
IEEE- and IEC-compliant surge test.
Surge waveform comparison by the patented Pulse to Pulse Error Area Ratio (PP-EAR) technique.
Incorporates advanced inter-turn assessment capabilities in a field portable instrument.
Microsoft Windows® 10 IoT Enterprise 2019 LTSC operating system.
USB port for data transfer and printing with Windows 10 supported printers.
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Baker AWA-IV 2 kV/4 kV Model Front Panel
All Baker AWA-IV series analyzers feature a large eight-inch touch screen with a graphical user interface. The
interface features a logical layout of large touch icons that improve ease of use. Each tester’s voltage capacity is
identified by the markings found just below the touch screen.
Fig 3: Front panel controls for AWA-IV 2 kV and 4 kV models.
Item Description
1 VGA port—used to connect the tester to a larger monitor (not included) for easier viewing of
test results.
2 USB ports—Industry standard USB ports are accessible from the front panel for connections to
a printing device, and data storage and retrieval devices.
3 Ethernet connector—The tester can be connected to a network via the ethernet connector.
4 E-stop equipment power shut-off—This large, highly visible red button is easily pressed on the
front panel for equipment shut-downs. It cuts all power to the unit swiftly and safely.
5 DC test/HiPot button.
6 Open ground light.
7 Leads energized light.
8 Test leads 1–3 select buttons.
Baker AWA-IV Instrument Overview
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Item Description
9 Voltage output control knob—Turn the knob clockwise to increase the applied voltage or
counterclockwise to decrease the voltage. The rate of voltage increase or decrease is set via
the touch screen interface. Do not force the knob; turning the knob harder does not cause
voltage to ramp any quicker and may damage the instrument.
10 High-voltage test leads—The Baker AWA-IV uses high-voltage test leads for surge, Baker
ZTX, and DC testing. Three test leads (red) and a ground lead (black) are provided for motor
test connections. Both sides of the connection clips must be in contact with the terminal of
the motor being measured. You must keep the leads clean and dry for best measurement
performance.
11 Resistance leads—For the AWA-IV 2 kV and 4kV models, one red test lead and one black
ground lead are used for low-voltage testing.
CAUTION: The test leads have exposed metal areas. Do not touch the leads while tests are running. Always ensure
that the test leads are not placed in proximity to the frame or ground potential.
Baker AWA-IV Instrument Overview
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Baker AWA-IV 6 kV/12 kV Model Front Panel
Fig 4: Front panel controls for Baker AWA-IV 6 kV and 12 kV models.
Item Description
1 VGA port—used to connect the tester to a larger monitor (not included) for easier viewing of
test results.
2 AUX/Power Pack connector.
3 USB ports—Industry standard USB ports are accessible from the front panel for connections to
a printing device, and data storage and retrieval devices.
4 Reset button.
5 Ethernet connector—The tester can be connected to a network via the ethernet connector.
6 Reset button.
7 E-stop equipment power shut-off—This large, highly visible red button is easily pressed on the
front panel for equipment shut-downs. It cuts all power to the unit swiftly and safely.
8 Open ground light.
9 Voltage output control knob—Turn the knob clockwise to increase the applied voltage or
counterclockwise to decrease the voltage. The rate of voltage increase or decrease is set via
the touch screen interface. Do not force the knob; turning the knob harder does not cause
voltage to ramp any quicker and may damage the instrument.
10 Leads energized light.
11 DC test/HiPot button.
Baker AWA-IV Instrument Overview
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