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GE MFE DMS 2

GE MFE DMS 2
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Krautkramer DMS 2 / 2E
Operating Manual
GE
Inspection Technologies Ultrasonics
www.ge.com/inspectiontechnologies

Table of Contents

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GE MFE DMS 2 Specifications

General IconGeneral
BrandGE
ModelMFE DMS 2
CategoryMeasuring Instruments
LanguageEnglish

Summary

Krautkramer DMS 2 2 E Operating Manual

GE Inspection Technologies Ultrasonics

Identifies the manufacturer and product line of the operating manual.

DMS 2 DMS 2 E Operating Manual

Important Notice

General Warnings

Outlines essential elements for proper ultrasonic test equipment use.

Operator Training

Emphasizes the need for adequate training for ultrasonic test equipment operators.

Testing Limitations

Discusses the limitations of ultrasonic testing and the need for caution.

Important Notice

Ultrasonic Thickness Measurement Critical Operating Procedures

Lists essential procedures to minimize errors in ultrasonic thickness measurements.

Calibration of Sound Velocity

Explains the importance of calibrating sound velocity for accurate thickness measurement.

Important Notice

Probe Zero Procedure

Details the mandatory probe zeroing procedure for accurate thickness readings.

Effects of Temperature on Calibration

Explains how temperature variations affect calibration and the need for on-site calibration.

Transducer Selection

Specifies requirements for selecting a suitable and well-conditioned transducer for testing.

Use of Couplants

Highlights the importance of familiarity and consistency in using ultrasonic couplants.

Doubling

Describes the "doubling" effect where readings may appear twice the actual thickness.

1. Getting Started

1.1 How To Use This Manual

Explains how to use the manual to set up and operate the DMS 2/DMS 2E Ultrasonic Thickness Gauges.

1.2 Ten Steps to Launch Your Gauge

Provides a quick-start procedure to help users quickly use the instrument.

1. Getting Started

1.3 How the DMS 2 Measures Thickness

Explains the ultrasonic principle used by the DMS 2 to measure material wall thickness.

1. Getting Started

1.4 Important Features of the DMS 2

Lists the key features and capabilities of the DMS 2 instrument.

1. Getting Started

1.5 Whats in this Manual

Provides an overview of the manual's content and structure for new users.

2. Understanding the DMS 2 Keyboard, Menu System, and Displays

2.1 Recognizing Displays

Helps users identify the instrument's mode by recognizing different display configurations.

2.2 Menu System

Explains the menu system structure and how to access instrument features and settings.

2. Understanding the DMS 2 Keyboard, Menu System, and Displays

2.3 Display Screen Features

Details the unique features of the six most common display configurations encountered.

2.4 Keypad Features

Provides a brief description of the function of each key on the instrument's keypad.

3. Setting Up the DMS 2

3.1 Battery Installation

Guides users through the process of installing batteries in the DMS 2 instrument.

3.2 Initial Instrument Setup

Explains how to configure the DMS 2's display and operating features for the first time.

3.2.1 Display Adjustment

Details procedures to adjust display visibility, contrast, and update rate for optimal viewing.

3.2.2 Global Settings

Covers system-wide parameter adjustments including language, date, and time formats.

3.2.3 OPER (Operation) Settings

Explains operational parameter adjustments like display orientation, battery type, and power saving.

3.3 Thickness Gauging Setup

Determines how thickness measurements are taken, including mode, probe, and calibration.

3.3.1 Probe TypeMeasurement Mode Specification

Guides adjustment of basic TG setup options, including probe type and measurement mode.

3.3.2 ALARM Settings

Adjusts instrument's minimum and maximum thickness alarm values and their indications.

3.3.3 Probe Zeroing Procedures

Explains the different probe zeroing procedures available: AUTO, MANUAL, and USER.

3.3.4 Calibration Procedures

Details the two basic calibration procedures: 1-PT and 2-PT.

3.3.5 Locking the Instrument Settings

Describes how to lock instrument settings to prevent accidental changes after initial setup.

3.4 Storing Data in the Data Recorder

Explains how numerical and graphical thickness measurement data can be stored and managed.

3.4.1 Data Recorder Capabilities

Details the flexibility and capabilities of the DMS 2's on-board data recorder.

3.4.2 Building a Master Comment List ( ) and Using the Virtual Keyboard

Guides creating a Master Comment List for attaching notes to data points.

3.4.3 Creating a Data File

Explains how to create new data files, including copying parameters from existing files.

4. Measuring Thickness

4.1 Working in the Test Mode

Explains how to activate the Test Mode, interpret the display, and work with the Test Menu.

4.1.1 Activating the Test Mode

Details the steps to activate the Test Mode and prepare for measurement.

4.1.2 Freezing the A-scan Display (TEST-FREEZE)

Guides on how to freeze the A-scan display for closer evaluation and adjustment.

4.1.3 Using the Minimum-Capture Mode for Enhanced Measurement

Explains how to use the Minimum-Capture Mode for locating the thinnest measurement in a series.

4.2 Measuring and Recording Thickness

Explains how to measure and record thickness, and store measurements in data files.

4.2.1 Opening an Existing Data File

Provides instructions on how to select and open an existing data file from the Data Recorder Menu.

4.2.2 Activating the Test Mode and Storing Measurements

Details how to activate Test Mode and store thickness measurements in the active data file.

4.2.3 Closing a Data File

Guides on how to close an active data file from the Data Recorder Menu.

4.3 Data Enhancement Features

Describes features that improve data collection flexibility, like attaching comments and Micro-Grids.

4.3.1 Attaching Comments to a Data Point

Explains how to attach comments from a Master Comment List to specific data points.

4.3.2 Recording Detailed Measurements with a Micro-Grid

Details how to create and use Micro-Grids for detailed measurements within a single file location.

4.3.3 Editing Existing Files with the Append, Insert, and Delete Functions

Explains how to enlarge or reduce file size using EDIT Submenu functions.

4.3.4 Changing the Digital Thickness Display to Indicate an Uncoupled Probe (IO - LAST R)

Configures how the digital thickness display indicates an uncoupled probe (HOLD or BLANK).

4.4 Adjusting the A-scan Display

Describes various ways the A-scan display can be modified for better visibility and signal adjustment.

4.4.1 How the A-scan Display can be Modified

Lists options for modifying A-scan appearance like contrast, grid, and image shape.

4.4.2 Adjusting the Instruments Gain

Explains how adjusting GAIN changes the amplitude (height) of the displayed A-scan image.

4.4.3 Adjusting Range

Describes how to adjust the RANGE control to set the maximum material thickness displayed.

4.4.4 Positioning the A-scan with DELAY

Explains how the DELAY feature adjusts the left-to-right position of echo signals in the A-scan display.

4.4.5 Purpose of the A-gate and B-gate

Explains the function of A-gate and B-gate in positioning for correct thickness measurement.

4.4.6 Choosing the Rectification Method

Explains how rectification affects the display of the A-scan signal.

4.5 Working with B-scan Thickness Mapping

Allows measurement of thickness over time and displays a graphical cross-section.

4.6 Saving, Recalling, Clearing TG Setups (Parameter Sets)

Covers saving, loading, and deleting instrument configuration parameter sets.

5. Working with Stored Data

5.1 Introduction to the Data Recorder (DR) Mode

Introduces the instrument's Data Recorder mode for saving, organizing, and evaluating measurement data.

5.1.1 Selecting an Existing Data File

Guides on how to select and open an existing data file from the Data Recorder Menu.

5.1.2 Interpreting the DR Mode RECORD Submenu Display

Explains how to interpret the DR display screen when the RECORD Submenu is selected.

5.1.3 Closing (De-selecting) a Data File

Guides on how to close an active data file from the Data Recorder Menu.

5.1.4 Deleting a Data File

Provides instructions on how to delete one or all existing data files.

5.2 Navigating in the Data Recorder Mode

Explains how to navigate data files and search for specific attributes.

5.2.1 Changing the Active Data File

Guides on how to change the active data file or set to 'NO ACTIVE FILE'.

5.2.2 Navigating from Point to Point Within a Data File

Explains how to move between data points within an active data file.

5.2.3 Moving to a Specific Position Within a Data File

Guides on how to quickly access specific positions (Row, Column, etc.) within a data file.

5.2.4 Searching for Specific (Tagged) Attributes within a Data File

Describes how to tag attributes and search for data points based on those tags.

5.2.5 Automatic Advance Features

Explains how to modify the automatic advance feature for data file navigation.

5.2.6 Adjusting the Data Recorder (NAV Window) Display

Guides on modifying the appearance of the DR display's Navigation Window.

5.2.7 Storing and Recalling A-scans

Details how to store and re-access A-scans associated with data points.

5.3 Modifying Data File Content Labels and Notations

Explains how to modify file labels and insert notations into the data file header.

Editing the Names of Elevations, Locations, and other File Content Labels

Guides on editing names for file features like Elevations and Locations.

5.3.3 Changing Thickness Measurement Values From the DR Mode

Explains how to modify numerical thickness readings directly within the DR Mode.

5.4 Setting Thickness Alarms

Describes how to set minimum and maximum thickness limits and alarm features in DR Mode.

5.5 Statistical Evaluation of Data File Contents

Explains how to view statistical data for a file to identify trends.

5.6 Checking the Instruments Available Memory

Guides on checking the instrument's available memory for data files and scans.

6. Generating Reports, Printing Data, and Connecting to External Devices

6.1 Interfacing with External Devices

Details how to configure the DMS 2 to communicate with printers and personal computers.

6.1.1 Specifying Printers

Guides on identifying the printer type for communication with the DMS 2.

6.1.2 Connecting to a Personal Computer

Explains how to connect the DMS 2 to a PC using compatible software.

6.2 Sending Data Directly to a Printer

Describes how to send thickness, velocity, and display data directly to a printer.

6.3 Generating Reports

Explains how to generate and output various types of reports to a printer.

6.3.1 Selecting the Report Type

Guides on selecting different report types like ACTIVE, ALL, DIR, and CMNTS.

6.3.2 Transmitting a Report

Details the procedure for generating and sending a selected report to an attached printer.

7. Specifications

7.1 DMS 2 Specifications

Lists the technical specifications for the DMS 2 instrument.

7.2 Probe Specifications

Provides details on specifications for various probes compatible with the DMS 2.

7.2.1 Dual Element Probes

Lists specifications for different dual element probes.

7.2.2 Single Element Probes

Lists specifications for different single element probes.

7.2.3 Recommended probes for the D-Multi Mode

Lists recommended probes for use with the D-Multi measurement mode.

8. Application Notes and Optional Features

8.1 General Notes

Discusses common considerations affecting measurement reliability.

8.1.1 Flaws

Addresses how flaws can affect thickness readings and suggests examination methods.

8.1.2 Surface Conditions

Explains how surface conditions like grooves or roughness can impact readings and how to correct them.

8.1.3 Curved Surfaces

Provides tips for measuring on curved surfaces and selecting appropriate probes.

8.2 Thickness Measurement on Hot Test Pieces

Details procedures for measuring thickness on materials with high surface temperatures.

8.3 Measurement Through Coatings

Explains methods for measuring thickness through coatings using multi-echo or TopCOAT modes.

8.4 TopCOAT (Measurement Mode) (Optional)

Introduces the TopCOAT mode for measuring through coatings and non-coated metals.

8.4.1 Specifying TopCOAT Probe and Measurement Mode

Guides on connecting the TopCOAT probe and selecting its measurement mode.

8.4.2 Calibrating for T-COAT Measurement Mode

Details the calibration procedure for the TopCOAT measurement mode.

8.4.3 TopCOAT Probe Zeroing Procedure

Explains the probe zeroing procedure specific to the TopCOAT probe.

8.4.4 Calibrating Coating-Material Acoustical Velocity

Guides on determining and entering coating material acoustical velocity for T-COAT mode.

8.4.5 Identifying the Velocity Reference Block

Explains how to identify and enter data for the TopCOAT velocity reference block.

8.5 Auto-V Measurement Mode

Introduces the Auto-V mode for measuring non-coated material without knowing sound velocity.

8.5.1 Specifying AUTO-V Measurement Mode

Guides on specifying the AUTO-V measurement mode and connecting the TopCOAT probe.

9. Warranty and Worldwide Service

Warranty

Outlines the conditional warranty terms for the Krautkramer DMS 2 test instrument.

Worldwide Service Centers

Provides contact information for GE Inspection Technologies Service Centers.

Appendix A: Hardware Assembly Instructions

Appendix C: Helpful Hints

Appendix B. Choosing the File Type

SIX DMS 2 FILE STRUCTURES

Lists the different data file structures available for organizing measurement data.

LINEAR FILE

Describes the simplest data file format with sequentially numbered measurement points.

CUSTOM LINEAR

Describes a data file format with LOCATION and POINT structure elements.

GRID File

Describes a data file format for testing areas using 2D coordinates.

CUSTOM GRID File

Describes a data file format for testing areas where each location is a grid.

BOILER File

Describes a data file format for inspecting boilers with ELEVATION, TUBE, and POINT elements.

CUSTOM POINT File

Describes a data file format similar to CUSTOM LINEAR but with alphanumeric descriptors for points.

Appendix D: Upgrading the DMS 2 DMS 2 E Instrument

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