Megger Baker DX User Manual

Megger Baker DX Specifications

General

Brand	Megger
Model	Baker DX
Category	Measuring Instruments
Language	English

Summary

General Operating Information

Safety Precautions

Read and follow all safety precautions and safe operating practices for the Baker DX tester.

Baker DX Instrument Overview

Front Panel Controls

Details the various controls and indicators present on the front panel of the Baker DX tester.

Baker DX User Interface Overview

Main Elements

Explains the primary components of the Baker DX user interface, including display areas and menus.

Test and Function Modes

Describes the different test modes and their corresponding icons accessible from the main menu.

Using Baker DX Non-Test Functions

Data Management Operations

Covers operations related to managing test data, including creating folders and records.

Managing Report Printing Operations

Details how to manage and configure report printing operations for test results.

Setting up the Baker DX Tester

Baker DX Setup Procedures

Provides step-by-step instructions for setting up and connecting the Baker DX tester.

Setting up the Baker ZTX

Setting up Fixtures, Test Accessories, and Lead Connections

Overview of Leads, Fixtures, and Accessories Used in Testing

An overview of the various test leads, fixtures, and accessories used with the Baker DX.

Connecting High-voltage Leads to a Motor

Instructions for correctly connecting high-voltage test leads to a motor for testing.

Connecting Low-voltage Leads to a Motor

Instructions for correctly connecting low-voltage test leads to a motor for testing.

Procedures for Testing with the DX Host

Recommended Testing Sequence

Outlines Megger's recommended sequence for testing three-phase AC induction motors.

DC Tests Using the DX Host

Details how to perform DC tests like Insulation Resistance, DA, PI, and HiPot using the Baker DX.

Surge Tests Using the DX Host

Explains the process for performing Surge tests to detect insulation damage between winding turns.

Partial Discharge Testing Overview and Preparation

Preparing for PD Testing

Covers the preparation steps and key metrics for accurate Partial Discharge (PD) testing.

Determining a Known-good Coil to Use as a Reference

Exporting Reference Waveforms to an External USB Drive

Instructions for exporting reference waveforms to a USB drive for backup or later use.

Surge Testing Procedure for Single-Coil Mode

Viewing Coil Test Results

How to view the results of testing a series of coils, including reference and current waveforms.

Partial Discharge Testing–Single-coil Mode

Performing PD Tests–Single-coil Mode

Details the procedure for conducting Partial Discharge tests on single coils.

Rotor Influence Check (RIC) Tests Using the DX Host

Rotor Influence Check Test Procedures

Explains how to perform Rotor Influence Check (RIC) tests to identify rotor problems.

Procedures for Testing with the Baker ZTX

Low-impedance Armature and Coil Testing Using the Baker ZTX

Covers testing low-impedance coils and armature windings using the Baker ZTX accessory.

Armature Test Procedures for the Baker ZTX

Specific steps for performing armature tests using the Baker ZTX accessory.

Appendix A — Troubleshooting

Self-help and Diagnostics

Provides steps for diagnosing and resolving common issues with the Baker DX tester.

Applications: What to do First

Guidance on troubleshooting problems specific to certain motor/generator applications.

Service: What to do First

Guidance on troubleshooting general or non-application-specific problems with the unit.

Appendix B — Technical Specifications, Calibration, and Applicable Standards

Calibration Information

Information regarding the calibration of the Baker DX tester and recommended intervals.

Appendix C — DC and Surge Tests Voltages

Recommended Test Voltages

Provides recommended test voltages for DC and Surge tests based on motor voltage ratings.