Krautkramer DM4E User Manual

Krautkramer DM4E / DM4 / DM4 DL Issue 05, 01/01 0-3
Content
1 Introduction ...................................... 1 -1
1.1 DM4E, DM4 and DM4 DL ........................ 1 -2
1.2 Information about this manual .............. 1 -5
1.3 Layout and presentation
of this manual ......................................... 1 -6
1.4 Important remarks
about thickness testing ......................... 1 -7
Conditions for application of
ultrasonic thickness gauges ..................... 1 -7
Operator training ...................................... 1 -8
Limits of ultrasonic testing ........................ 1 -8
Ultrasonic thickness measurement........... 1 -9
Influence of the test material .................... 1 -9
1.5 Important notes on
thickness testing with the DM4 ........... 1 -11
Probe Zero Adjustment........................... 1 -11
Couplant rests ........................................ 1 -12
Measurement precision .......................... 1 -12
Probes.................................................... 1 -12
DM4 DL Data Logger ............................. 1 -13
2 Scope of supply and accessories... 2 -1
2.1 Scope of delivery .................................... 2 -3
2.2 Required accessories ............................. 2 -4
2.3 Recommended accessories ................... 2 -4
2.4 Recommended outside products ........... 2 -6
3 Preparation for operation ................ 3 -1
3.1 Battery supply ......................................... 3 -2
Inserting batteries ..................................... 3 -2
3.2 Connecting the probe ............................. 3 -4
4 Basics of operation .......................... 4 -1
4.1 Display..................................................... 4 -2
Display indications .................................... 4 -2
4.2 Keys ......................................................... 4 -4
4.3 Switching the instrument on and off ..... 4 -5
Indications after switching on.................... 4 -5
Dialog probes ............................................ 4 -5
Krautkramer DM4E / DM4 / DM4 DL Issue 05, 01/01 0-3
Content
1 Introduction ...................................... 1 -1
1.1 DM4E, DM4 and DM4 DL ........................ 1 -2
1.2 Information about this manual .............. 1 -5
1.3 Layout and presentation
of this manual ......................................... 1 -6
1.4 Important remarks
about thickness testing ......................... 1 -7
Conditions for application of
ultrasonic thickness gauges ..................... 1 -7
Operator training ...................................... 1 -8
Limits of ultrasonic testing ........................ 1 -8
Ultrasonic thickness measurement........... 1 -9
Influence of the test material .................... 1 -9
1.5 Important notes on
thickness testing with the DM4 ........... 1 -11
Probe Zero Adjustment........................... 1 -11
Couplant rests ........................................ 1 -12
Measurement precision .......................... 1 -12
Probes.................................................... 1 -12
DM4 DL Data Logger ............................. 1 -13
2 Scope of supply and accessories... 2 -1
2.1 Scope of delivery .................................... 2 -3
2.2 Required accessories ............................. 2 -4
2.3 Recommended accessories ................... 2 -4
2.4 Recommended outside products ........... 2 -6
3 Preparation for operation ................ 3 -1
3.1 Battery supply ......................................... 3 -2
Inserting batteries ..................................... 3 -2
3.2 Connecting the probe ............................. 3 -4
4 Basics of operation .......................... 4 -1
4.1 Display..................................................... 4 -2
Display indications .................................... 4 -2
4.2 Keys ......................................................... 4 -4
4.3 Switching the instrument on and off ..... 4 -5
Indications after switching on.................... 4 -5
Dialog probes ............................................ 4 -5

Krautkramer DM4E Specifications

General

Brand	Krautkramer
Model	DM4E
Category	Measuring Instruments
Language	English

Summary

1 Introduction

1.1 DM4E, DM4 and DM4 DL

Describes the three versions of the DM4 family instruments and their features.

1.2 Information about this manual

Explains how to use the manual and its structure for quick and reliable operation.

1.3 Layout and presentation of this manual

Explains the consistent format of operation steps, notes, and examples within the manual.

1.4 Important remarks about thickness testing

Covers general conditions and limitations for accurate thickness testing.

1.5 Important notes on thickness testing with the DM4

Details critical requirements for correct measurements with the DM4, including probe zero adjustment.

2 Scope of supply and accessories

2.1 Scope of delivery

Lists the items included in the instrument's package.

2.2 Required accessories

Lists essential accessories needed for the instrument's operation.

2.3 Recommended accessories

Lists optional but recommended accessories for enhanced functionality.

2.4 Recommended outside products

Lists compatible external products such as printers and cables.

3 Preparation for operation

3.1 Battery supply

Instructions on battery installation, handling, and low voltage indication.

3.2 Connecting the probe

Steps for connecting the appropriate probe to the instrument.

4 Basics of operation

4.1 Display

Explains display symbols, indications, and units of measure.

4.2 Keys

Overview of instrument keys and their functions for operation.

4.3 Switching the instrument on and off

Procedures for powering the instrument on, off, and initial display states.

4.4 Automatic instrument switch-off

Details the automatic power-off feature to conserve battery life.

4.5 Operation concept

Explains how to navigate through operating modes and functions.

4.6 Automatic probe zero adjustment

Describes the automatic probe zeroing process for connected probes.

4.7 Automatic probe recognition

Explains how the instrument automatically identifies connected DIALOG probes.

4.8 Handling the probe

Provides guidelines for proper probe handling to ensure error-free measurements.

5 Operation

5.1 Basic settings

Covers display backlight settings and units of measure/resolution.

5.2 Calibrating the instrument

Procedures for 1-point and 2-point calibration based on material properties.

5.3 Thickness measurement

Details standard measurement (THK mode) and minimum capture (MIN mode).

5.4 Additional functions in the DM4 and DM4 DL

Describes extra features like sensitivity, alarm limits, DIF, and bandpass filter settings.

5.5 Activating and deactivating functions

How to enable or disable instrument functions like calibration, modes, and settings.

6 Operation of the Data Logger (DM4 DL only)

6.1 Data Logger

Introduces the DM4 DL's data logger functionality for storing measurements.

6.2 Setting the number of files

How to configure file settings for organizing data in the data logger.

6.3 Storing the measurement values

Steps for selecting a file and saving measurement data.

6.4 Viewing stored measurement values

How to access and view saved data from the data logger memory.

6.5 Deleting stored measurement values

Procedures for deleting individual values, files, or the entire memory.

7 Documenting measurement values (DM4 DL only)

7.1 Printing data

Instructions for printing measurement reports, including settings and data.

7.2 Transferring data to a PC

How to transfer stored data to a computer for processing.

8 Care and maintenance

8.1 Care

Guidelines for cleaning the instrument and handling batteries.

8.2 Maintenance

Information on instrument maintenance requirements and authorized service.

9 Specifications

10 Interfaces and peripherals

10.1 Interface RS 232

Details about the RS 232 interface, data format, and connection.

10.2 Pin layout of the 7 pin Lemo socket (RS 232)

Describes the pin configuration of the 7-pin Lemo socket for RS 232.

11 Appendix

11.1 Application information

General information on applying the instrument and factors influencing accuracy.

11.2 Sound velocity table

Table of typical sound velocities in various materials.

11.3 Configuration of the Data Logger

Details data logger file configuration options and capacity.

11.4 EU declaration of conformity

Declaration of the instrument's compliance with relevant EU directives.

11.5 Service addresses

Contact information for service and support centers worldwide.

12 Changes

13 Index