Table of Contents
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1 Introduction ...................................... 1 -1
1.1 DM4E, DM4 and DM4 DL ........................ 1 -2
1.2 Information about this manual .............. 1 -5
of this manual ......................................... 1 -6
about thickness testing ......................... 1 -7
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
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
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
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
Krautkramer DM4E / DM4 / DM4 DL
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
Issue 05, 01/01
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
Issue 05, 01/01
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Summary of Contents for Krautkramer DM4
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Page 1: Table Of Contents
Content 1 Introduction ........1 -1 2 Scope of supply and accessories ... 2 -1 1.1 DM4E, DM4 and DM4 DL ......1 -2 2.1 Scope of delivery ........2 -3 1.2 Information about this manual ....1 -5 2.2 Required accessories ......2 -4 1.3 Layout and presentation... - Page 2 4.6 Automatic probe zero adjustment ..4 -9 5.4 Additional functions 4.7 Automatic probe recognition ....4 -10 in the DM4 and DM4 DL ....... 5 -13 Setting the sensitivity GAIN ....5 -13 4.8 Handling the probe ....... 4 -10 Setting the alarm limits ......
- Page 3 Clearing the complete memory....6 -12 Care of the instrument ......8 -2 Handling AlMn batteries ......8 -2 8.2 Maintenance ..........8 -3 Krautkramer DM4E / DM4 / DM4 DL Issue 05, 01/01 Content 6 Operation of the Data Logger 7 Documenting measurement values (DM4 DL only) ........
- Page 4 11.3 Configuration of the Data Logger ..11 -7 11.4 EU declaration of conformity ....11 -9 11.5 Service addresses ....... 11 -10 Issue 05, 01/01 Krautkramer DM4E / DM4 / DM4 DL Content 9 Specifications ........9 -1 12 Changes .......... 12 -1 10 Interfaces and peripherals .....
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Page 5: Introduction
Introduction Krautkramer DM4E / DM4 / DM4 DL Issue 05, 01/01 Introduction Krautkramer DM4E / DM4 / DM4 DL Issue 05, 01/01... -
Page 6: Dm4E, Dm4 And Dm4 Dl
• DM4 DL MODE The DM4E and DM4 have different keypads and func- tions; as opposed to the DM4E the DM4 has extended functions. The DM4 DL is additionally equipped with a data logger which enables storage and transfer of measurement data. - Page 7 Introduction DM4E, DM4 and DM4 DL DM4 DL (with 5 keys) (with 9 keys) Krautkramer DM4E / DM4 / DM4 DL Issue 05, 01/01 Introduction DM4E, DM4 and DM4 DL DM4 DL (with 9 keys) (with 5 keys) Krautkramer DM4E / DM4 / DM4 DL...
- Page 8 • Digital resolution of 0.01 mm (for thicknesses up to 99.99 mm) and 0.1 mm (for thicknesses > 99.99 mm) Special features of the DM4 DL (Data Logger): • MIN mode with increased pulse repetition frequency • Integrated Data Logger with a capacity for 5390...
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Page 9: Information About This Manual
If use this manual. Please read these instructions care- there are no additional corrections, the chapter re- fully in order to operate all DM4 functions quickly and mains empty. reliably. Instrument operation is easy and quick to learn. In... -
Page 10: Layout And Presentation Of This Manual
Chapter 6 Operation of the Data Logger (DM4 DL only) manual The DM4 DL has the same functions as the DM4. However, it has a Data Logger (data storage) in addi- In order to make things easier for you to use this tion to offering extra functions. -
Page 11: Important Remarks About Thickness Testing
Description of these factors would go beyond the bounds of an operating manual. Therefore only the three most important con- Krautkramer DM4E / DM4 / DM4 DL Issue 05, 01/01 Introduction Important remarks about thickness testing Note and Attention symbols 1.4 Important remarks about... -
Page 12: Operator Training
Issue 05, 01/01 Krautkramer DM4E / DM4 / DM4 DL Introduction Important remarks about thickness testing ditions are listed for a reliable thickness measurement:... -
Page 13: Introduction
Due to this, the ity. If this is not made, wrong thickness readings will measurement accuracy can be effected. occur. Krautkramer DM4E / DM4 / DM4 DL Issue 05, 01/01 Introduction Important remarks about thickness testing... - Page 14 90° to the curvature axis (longitudinal axis of the tube). 1-10 Issue 05, 01/01 Krautkramer DM4E / DM4 / DM4 DL Introduction Important remarks about thickness testing Effects of temperature changes Probe selection...
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Page 15: Important Notes On Thickness Testing With The Dm4
Introduction Important notes on thickness testing with the DM4 1.5 Important notes on thickness Doubling of measurement readings testing with the DM4 A dangerous measurement error occurs when a thick- ness measurement is carried out whilst below the specified application range (operation range) for the Attention: probe being used. -
Page 16: Couplant Rests
Scope of supply and accessories are admitted for the surement. DM4. These probes are recognized by the DM4 and the corresponding probe type number is displayed after probe zero. Only the following probe type num-... -
Page 17: Dm4 Dl Data Logger
Introduction Important notes on thickness testing with the DM4 DM4 DL Data Logger The DM4 DL’s Data Logger only saves measurement readings and not instrument settings. Printing the measurement report Attention: • Please note that header data and statistic informa- tion contained in the report printout relate to the DM4’s current instrument settings and not those... - Page 18 1-14 Issue 05, 01/01 Krautkramer DM4E / DM4 / DM4 DL 1-14 Issue 05, 01/01 Krautkramer DM4E / DM4 / DM4 DL...
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Page 19: Scope Of Supply And Accessories
Scope of supply and accessories Krautkramer DM4E / DM4 / DM4 DL Issue 05, 01/01 Scope of supply and accessories Krautkramer DM4E / DM4 / DM4 DL Issue 05, 01/01... - Page 20 Scope of supply and accessories This chapter gives information about accessories for the DM4E, DM4 and DM4 DL. It describes • Accessories in the scope of supply • Accessories required for operation • Recommended accessories Issue 05, 01/01 Krautkramer DM4E / DM4 / DM4 DL Scope of supply and accessories This chapter gives information about accessories for the DM4E, DM4 and DM4 DL.
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Page 21: Scope Of Delivery
2 ´ 1.5 V AA batteries (AlMn) 06 563 Operating manual, German 28 576 Operating manual, English 28 593 Krautkramer DM4E / DM4 / DM4 DL Issue 05, 01/01 Scope of supply and accessories Scope of delivery 2.1 Scope of delivery Product name Description Order No. -
Page 22: Required Accessories
57 167 DA 317 High temperature probe, 5 MHz, temperatures up to 200 °C /392 °F 57 168 Issue 05, 01/01 Krautkramer DM4E / DM4 / DM4 DL Scope of supply and accessories Required accessories 2.2 Required accessories Product name Description Order No. - Page 23 14 773 ET-104 Extension tube for HT 400 14 770 HT-B Grip for HT 400 14 771 Krautkramer DM4E / DM4 / DM4 DL Issue 05, 01/01 Scope of supply and accessories Recommended accessories Product name Description Order No. DA 319 High temperature probe, 10 MHz, temperatures up to 200 °C / 392 °F...
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Page 24: Recommended Outside Products
Seiko DPU 414 Thermo printer with integrated serial and parallel interface for mains and battery operation 17 993 Issue 05, 01/01 Krautkramer DM4E / DM4 / DM4 DL Scope of supply and accessories Recommended outside products Product name Description Order No. -
Page 25: Preparation For Operation
Preparation for operation Krautkramer DM4E / DM4 / DM4 DL Issue 05, 01/01 Preparation for operation Krautkramer DM4E / DM4 / DM4 DL Issue 05, 01/01... -
Page 26: Battery Supply
All settings and stored measurement readings are retained and are immediately available. DM4 instruments are operated with two non-recharge- Take a set of spare batteries if you carry out on-site able dry cells (AlMn, type AA). These are contained in measurements. - Page 27 Preparation for operation Battery supply Krautkramer DM4E / DM4 / DM4 DL Issue 05, 01/01 Preparation for operation Battery supply Krautkramer DM4E / DM4 / DM4 DL Issue 05, 01/01...
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Page 28: Connecting The Probe
Preparation for operation Connecting the probe 3.2 Connecting the probe In order to prepare the DM4 for operation you must connect the probe. Select a probe which is suitable for your application. Connect the probe cable to the socket on the top of the instrument. - Page 29 Basics of operation Krautkramer DM4E / DM4 / DM4 DL Issue 05, 01/01 Basics of operation Krautkramer DM4E / DM4 / DM4 DL Issue 05, 01/01...
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Page 30: Display
Displaying and setting the sound Flashes when c is pressed: Activates velocity u d for setting a displayed value or parameter. Issue 05, 01/01 Krautkramer DM4E / DM4 / DM4 DL Basics of operation Display 4.1 Display Symbol Description Minimum operation mode... - Page 31 H Note: On the foldout page (inside) you will also find a list of all the display indications to which you will have direct access during operation. Krautkramer DM4E / DM4 / DM4 DL Issue 05, 01/01 Basics of operation Display...
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Page 32: Keys
Only with DM4 and DM4 DL: The following table gives you an overview of key op- Activates / deactivates DUAL MULTI operation eration for the DM4. Additionally refer to the descrip- mode (through-coating measurement) tion of the individual operation steps in Chapter 5. -
Page 33: Switching The Instrument On And Off
(refer to Page 4-8). The following display will briefly DM4E appear: DM4 DL Krautkramer DM4E / DM4 / DM4 DL Issue 05, 01/01 Basics of operation Switching the instrument on and off 4.3 Switching the instrument on... -
Page 34: Non-Dialog Probes: Da3 Mode Or Auto Mode
DA3 mode AUTO mode Issue 05, 01/01 Krautkramer DM4E / DM4 / DM4 DL Basics of operation Switching the instrument on and off The display does not appear with active 2-point cali- DA3 mode is the default setting; otherwise the setting bration (refer to Page 5-7). -
Page 35: Switching The Instrument Off
The high temperature probe HT 400 must be oper- ated in the AUTO mode. Automatic instrument switch-off Operation: The DM4 has an automatic instrument switch-off. – The DA3 or AUTO display appears and flashes for 3 seconds. This automatic switch-off activates if the instrument has not been used after 3 minutes (no key activation, –... -
Page 36: Operation Concept
(press c, change with d u and • SPEC (DM4 and DM4 DL only) press c again). • THK and SPEC (DM4 and DM4 DL only) • l Issue 05, 01/01 Krautkramer DM4E / DM4 / DM4 DL... -
Page 37: Automatic Probe Zero Adjustment
If, when setting, you have to span large ranges (e.g. when setting the sound velocity), you can accelerate this: With the DM4 you do not need to adjust the zero point for the connected probe because the instrument auto- – Press d or u and keep pressed. -
Page 38: Automatic Probe Recognition
DM4 performance. – If the thickness mode(THK) is not displayed keep The automatic probe recognition of all specified DM4 pressing m until THK appears. probes is indicated after the P0 display; the corre- sponding probe type number is displayed for a short –... -
Page 39: Operation
Operation Krautkramer DM4E / DM4 / DM4 DL Issue 05, 01/01 Operation Krautkramer DM4E / DM4 / DM4 DL Issue 05, 01/01... -
Page 40: Basic Settings
– If you press d and u simultaneously the following setting possibilities will appear after each other: Issue 05, 01/01 Krautkramer DM4E / DM4 / DM4 DL Operation Basic settings 5.1 Basic settings Setting the units of measure and resolution You can determine which units of measure you wish to use as well as the resolution of your instrument. -
Page 41: Setting The Unit For Sound Velocity
You also have the opportunity to directly change the sound velocity unit. – Keep pressing d and u simultaneously until the required setting appears. Krautkramer DM4E / DM4 / DM4 DL Issue 05, 01/01 Operation Basic settings H Note: You can change the units of measure and the resolu- tion during the measurement. -
Page 42: Calibrating The Instrument
This applies to all types of probes in Chapter 2, Scope of supply and accessories. Issue 05, 01/01 Krautkramer DM4E / DM4 / DM4 DL Operation Calibrating the instrument – Press m until the function VEL is displayed. -
Page 43: Calibration With A Known Sound Velocity
The sound velocity last set will appear in the display, e.g.: – Press c. – Press u or d in order to enter the new value, e.g.: Krautkramer DM4E / DM4 / DM4 DL Issue 05, 01/01 Operation Calibrating the instrument... -
Page 44: 1-Point Calibration
The measurement value appears in the display. Make certain that the indication is stable. The instrument is now calibrated. You can now carry out thickness measurement. Issue 05, 01/01 Krautkramer DM4E / DM4 / DM4 DL Operation Calibrating the instrument 1-point calibration For example: If the sound velocity is known or if you wish to check calibration, carry out a 1-point calibration. -
Page 45: 2-Point Calibration
– Press c. After this, calibrate the 2nd point (larger thickness). – Press c again. Krautkramer DM4E / DM4 / DM4 DL Issue 05, 01/01 Operation Calibrating the instrument – Switch the function on with d or u. - Page 46 – After this, press c to restart the calibration pro- cess. Issue 05, 01/01 Krautkramer DM4E / DM4 / DM4 DL Operation Calibrating the instrument The following display appears: With the modes THK and MIN the 2-PT indication re- mains at the top of the display giving an indication about the current 2-point calibration of the instrument.
- Page 47 When deactivating the 2-point-calibration, you have to repeat the calibration process according to your appli- cation because any previous calibrations (1-point cali- bration or sound velocity) are not accepted. Krautkramer DM4E / DM4 / DM4 DL Issue 05, 01/01 Operation Calibrating the instrument...
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Page 48: Thickness Measurement
(refer to Chapter 5.2 Calibrating the instru- ment). If you require to work with alarm limits (only DM4 and – You can now couple the probe. DM4 DL) read the procedure in Chapter 5.4, Page The coupling symbol blanks. -
Page 49: Minimum Capture Measurement: Min Mode
You determine the possible “breaks” in your mea- – Set the new time-out with d u, e.g.: surement sequence by adjustment of the time-out. – Press c again in order to acknowledge the setting. Krautkramer DM4E / DM4 / DM4 DL Issue 05, 01/01 5-11 Operation... - Page 50 The smallest value in the measurement sequence is displayed. The MIN indication on the display flashes during the time-out. 5-12 Issue 05, 01/01 Krautkramer DM4E / DM4 / DM4 DL Operation Thickness measurement Carrying out the measurement For example: – Make certain that the instrument is in the MIN mode (if necessary press m).
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Page 51: Additional Functions In The Dm4 And Dm4 Dl
– Press m until SPEC appears. • Bandpass filter setting (FLTR) – Press d or u until GAIN is displayed. • In addition to these, the DM4 DL also has functions – Press c. for data transfer (refer to Chapter 7). -
Page 52: Setting The Alarm Limits
Operation Additional functions in the DM4 and DM4 DL – Press d or u in order to switch on the correspond- Setting the alarm limits ing alarm limit. – Press c again. Attention: When a Data Logger is active whilst changing the The active limit value set is displayed. -
Page 53: Switching The Alarm Off Again
Operation Additional functions in the DM4 and DM4 DL Difference mode: DIF Switching the alarm off again – Press m until SPEC is displayed. In the Difference mode the measured thickness is compared with an adjustable nominal value. – Press u or d until HI-L or LO-L is displayed. -
Page 54: Setting The Bandpass Filter:fltr
Operation Additional functions in the DM4 and DM4 DL Setting the bandpass filter: FLTR You can now carry out your measurements. The differ- ence between the entered nominal value and the cor- You can optimize the amplifier for the probe frequency responding thickness value is immediately displayed. -
Page 55: Measuring Through Coatings
With their operating mode DUAL MULTI, DM4 and • DA 312 DA 412 DM4 DL offer you the possibility of acurately measur- ing the metal wall thickness under adherent coatings • DA 312 B16 (paint coatings, plastic coatings, fiber-reinforced plas- •... - Page 56 Operation Additional functions in the DM4 and DM4 DL to DUAL MULTI mode (please see below) and then proceed as described in 1-point calibration, page 5-6. If you want to use alarm limits, please read the de- scription of the mode proceeding in chapter 5.4, page 5-13.
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Page 57: Min Mode
DM4 and DM4 DL offer you the possibility to configure – Deactivate the operating mode DUAL MULTI by functions: You can compile the function range of the pressing the wkey again. - Page 58 When functions are deactivated they are reset to their basic setting. When the function is displayed which you wish to acti- vate or deactivate: 5-20 Issue 05, 01/01 Krautkramer DM4E / DM4 / DM4 DL Operation Activating and deactivating functions – Press c. Operation: Selecting the configuration level The active setting is displayed: •...
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Page 59: Operation Of The Data Logger (Dm4 Dl Only)
Operation of the Data Logger (DM4 DL only) Krautkramer DM4E / DM4 / DM4 DL Issue 05, 01/01 Operation of the Data Logger (DM4 DL only) Krautkramer DM4E / DM4 / DM4 DL Issue 05, 01/01... -
Page 60: Data Logger
• displayed • deleted • printed • transferred to a PC. As opposed to the DM4E and the DM4, the DM4 DL has four additional keys: s, r, y, f (refer to fig- ure). H Note: The possibility to print stored data and to transfer this data to a PC is described in Chapter 7 Documenting measurement values. -
Page 61: Setting The Number Of Files
Data Logger, i.e. determining the number Data Logger you must determine the number of files. of files required (max. 999). The DM4 DL divides the total storage capacity of 5394 measurement values by The number of files depends on the number of the determined number of files and applies the maxi- memory locations required for each file. - Page 62 The display CONF appears for about 12 seconds. The Data Logger configures the memory. H Note: After this, the DM4 DL switches back to its selected If the memory is not empty, the file number will be measurement mode. The Data Logger is now config- displayed (e.g.
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Page 63: Storing The Measurement Values
Operation of the Data Logger (DM4 DL only) Storing the measurement values Storing the measurement values You will see the following information in addition to the file number: In order to store measurement values, you must firstly -F.NNN Empty file, contains no measurement value select a file in which it is to be stored. -
Page 64: Storing Measurement Values In The Selected File
1 is allocated. The measurement value is stored in the selected file in After this, the DM4 DL switches back into the ready- the Data Logger. The active memory location number for-measurement state. - Page 65 Operation of the Data Logger (DM4 DL only) Storing the measurement values After a value has been stored in the Data Logger the s key remains inhibited until a new valid measure- ment. Zero values are not stored. Attention: Make certain that all measurement values are stored with the same resolution so that no errors occur with statistical data in the report printout.
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Page 66: Inhibiting A Memory Location
Operation of the Data Logger (DM4 DL only) Storing the measurement values Inhibiting a memory location The DM4 DL automatically stores the next measure- ment value into the next memory location. You can inhibit a memory location and proceed to the... -
Page 67: Viewing Stored Measurement Values
Operation of the Data Logger (DM4 DL only) Viewing stored measurement values – With d or u you can select the memory location 6.4 Viewing stored measurement at which the next measurement value is to be values stored. – Press y twice. - Page 68 Operation of the Data Logger (DM4 DL only) Viewing stored measurement values – Press u or d in order to view other memory locations. In doing this, the following indications can appear: Memory location is inhibited (refer to Page 6-8).
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Page 69: Deleting Stored Measurement Values
Operation of the Data Logger (DM4 DL only) Deleting stored measurement values 6.5 Deleting stored measurement A message appears briefly indicating deletion of the measurement value (e.g. C.0.02) and then the indica- values tion for an empty memory location: – Press y again in order to return to the measure- You can either delete individual measurement values, ment mode. -
Page 70: Clearing The Complete Memory
Operation of the Data Logger (DM4 DL only) Deleting stored measurement values A message appears briefly indicating deletion of the Attention: file (e.g. C.0.01). Then the file number appears. When you delete a file, the data is irretrievably lost. A minus sign appears indicating that the file is empty, Save your data beforehand on an external data carrier e.g.:... -
Page 71: Documenting Measurement Values (Dm4 Dl Only)
Documenting measurement values (DM4 DL only) Krautkramer DM4E / DM4 / DM4 DL Issue 05, 01/01 Documenting measurement values (DM4 DL only) Krautkramer DM4E / DM4 / DM4 DL Issue 05, 01/01... -
Page 72: Printing Data
DM4 DL via the serial interface RS 232. (e.g. Epson FX), the DM4 DL offers you the possibility to print adjustment and measurement data as well as Data transfer for the DM4 DL is made in the following statistical data. data format: In the DM4 DLs SPEC menu certain adjustments can •... -
Page 73: Selecting The Baud Rate
The active setting is displayed (basic setting 9600). – Press u or d until LANG is displayed. – Press c. The previous setting is displayed. Krautkramer DM4E / DM4 / DM4 DL Issue 05, 01/01 Documenting measurement values (DM4 DL only) Printing data –... -
Page 74: Selecting The Printer Driver
EPSON FX 850 with serial interface; Seiko DPU 414. For data transfer to a PC, select the 24 column format Issue 05, 01/01 Krautkramer DM4E / DM4 / DM4 DL Documenting measurement values (DM4 DL only) Printing data – Select the required language with u or d:... -
Page 75: Selection Of File Header Printout
– Acknowledge with c. – Acknowledge with c. You remain in the SPEC menu. You remain in the SPEC menu. Krautkramer DM4E / DM4 / DM4 DL Issue 05, 01/01 Documenting measurement values (DM4 DL only) Printing data Selection of file header printout... -
Page 76: Printing The Measurement Report
After printing the stored data press f in order to return Printing all files to the measurement mode. All printed measurement – Press f. data remain in the DM4 DL memory. – Press u or d until F.ALL is displayed. – Press s. Printing individual measurement readings S.ALL appears on the display. - Page 77 The Data Logger only stores measurement readings and not instrument settings. Please note that header data and statistic information contained in the report pntout relate to the DM4’s cur- rent instrument settings and not those stored. Please note as well, that the information in the file...
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Page 78: Transferring Data To A Pc
The DM4 DL is switched off. You can transfer the stored measurement readings to a PC. – Connect the DM4 DL to the PC using the Krautkrämer transfer cable TGDL/PC. The data is transferred in ASCII format. For data trans- fer you will need a normal terminal program, such as –... - Page 79 You can transfer the data in a format which is able to be directly imported into a spreadsheet program, e.g. – Press f. LOTUS or Microsoft EXCEL. You arrive back into the DM4 DLs active operation mode. H Note: Refer to the manual for the spreadsheet program re- H Note: garding information about importing data.
- Page 80 You can abort the transfer sequence. – Wait until the information in the file and the statistic is transferred. – Press s. ABOR (abort) appears on the DM4 DL display. Transfer is aborted. 7-10 Issue 05, 01/01 Krautkramer DM4E / DM4 / DM4 DL...
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Page 81: Care And Maintenance
Care and maintenance Krautkramer DM4E / DM4 / DM4 DL Issue 05, 01/01 Care and maintenance Krautkramer DM4E / DM4 / DM4 DL Issue 05, 01/01... -
Page 82: Care
The plastic parts could be damaged or become brittle. Used or defective batteries are special refuse and must be disposed of in accordance with statutory pro- visions! Issue 05, 01/01 Krautkramer DM4E / DM4 / DM4 DL Care and maintenance Care 8.1 Care Handling AlMn batteries... -
Page 83: Maintenance
Care and maintenance Maintenance 8.2 Maintenance Basically, DM4 instruments do not require any mainte- nance. Attention: Repair work my only be carried out by authorized Krautkrämer service personnel. Krautkramer DM4E / DM4 / DM4 DL Issue 05, 01/01 Care and maintenance Maintenance 8.2 Maintenance... - Page 84 Issue 05, 01/01 Krautkramer DM4E / DM4 / DM4 DL Issue 05, 01/01 Krautkramer DM4E / DM4 / DM4 DL...
- Page 85 Specifications Krautkramer DM4E / DM4 / DM4 DL Issue 05, 01/01 Specifications Krautkramer DM4E / DM4 / DM4 DL Issue 05, 01/01...
- Page 86 Display frequency > 4 Hz Measurement frequency 25 Hz in the MIN mode; 4 Hz in the THK mode Issue 05, 01/01 Krautkramer DM4E / DM4 / DM4 DL Specifications Principle of operation Ultrasonic pulse echo method with T/R probes Gain Automatic or manual;...
- Page 87 TTL: serial, asynchronous, 0/+5 V, 8 bit, 1 stop-bit, 1200, 2400, 4800 and 9600 Baud, no parity RS 232 C: bipolar logic with connection of a TGDL/PC cable Krautkramer DM4E / DM4 / DM4 DL Issue 05, 01/01 Specifications Power supply 2 batteries (1.5 V AA)
- Page 88 Issue 05, 01/01 Krautkramer DM4E / DM4 / DM4 DL Issue 05, 01/01 Krautkramer DM4E / DM4 / DM4 DL...
- Page 89 Interfaces and peripherals Krautkramer DM4E / DM4 / DM4 DL Issue 05, 01/01 10-1 Interfaces and peripherals Krautkramer DM4E / DM4 / DM4 DL Issue 05, 01/01 10-1...
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Page 90: Data Format
Interfaces and peripherals Interface RS 232 10.1 Interface RS 232 Data format Physical data transfer via the DM4 DL’s RS 232 inter- face is made in the following data format: Attention: • Baud rate, Only use the supplied special cable from Krautkrämer... -
Page 91: Pin Layout Of The 7 Pin
(RS 232) o i t o i t Layout of 7 pin Lemo socket (RS 232) Krautkramer DM4E / DM4 / DM4 DL Issue 05, 01/01 10-3 Interfaces and peripherals Pin layout of the 7 pin Lemo socket (RS 232) 10.2 Pin layout of the 7 pin Lemo... - Page 92 10-4 Issue 05, 01/01 Krautkramer DM4E / DM4 / DM4 DL 10-4 Issue 05, 01/01 Krautkramer DM4E / DM4 / DM4 DL...
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Page 93: Appendix
Appendix Krautkramer DM4E / DM4 / DM4 DL Issue 05, 01/01 11-1 Appendix Krautkramer DM4E / DM4 / DM4 DL Issue 05, 01/01 11-1... -
Page 94: Application Information
If the General information acoustic separation layer of the probe is oriented verti- The DM4 DL is easy to use and produces reliable and cally toward the marks, this effect does not occur. reproducible measurement data when correctly ap-... -
Page 95: Curved Surfaces
Application information Curved surfaces Thickness measurement on hot test objects Couple the probe to The DM4 DL can be used for thickness measurements the center of the test on materials which have a surface temperature of up surface for radial to 600°C when equipped with a special high-tempera-... - Page 96 In case of hot test objects and temperature variations, always use the DM4 in the DA3 mode (please see page 4-6) as temperature variations are compensated in this mode thanks to the continuous probe zero ad- justment even in the coupled state.
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Page 97: Sound Velocity Table
Epoxy resin 2600 - 2840 Polyethylene (PE hard) 2530 Glass (crown glass) 5800 Polyethylene (PE soft) 2000 Krautkramer DM4E / DM4 / DM4 DL Issue 05, 01/01 11-5 Appendix Sound velocity table 11.2 Sound velocity table Material Glass (safety glass) - Page 98 Steel casting (austenitic) 5730 other areas, especially metal alloys and plastics. 11-6 Issue 05, 01/01 Krautkramer DM4E / DM4 / DM4 DL Appendix Sound velocity table Material Material Polypropylene (PP hard)
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Page 99: Configuration Of The Data Logger
5344 5280 5200 5092 5338 5270 5202 5100 Krautkramer DM4E / DM4 / DM4 DL Issue 05, 01/01 11-7 Appendix Configuration of the Data Logger 11.3 Configuration of the Data Logger * Maximum number of readings No. of No. of Total No. - Page 100 226-235 19 4465 89-90 5040 130-132 4884 236-246 18 4428 11-8 Issue 05, 01/01 Krautkramer DM4E / DM4 / DM4 DL Appendix Configuration of the Data Logger No. of No. of Total No. of No. of Total No. of No. of Total No.
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Page 101: Eu Declaration Of Conformity
Appendix EU declaration of conformity 11.4 EU declaration of conformity The DM4 instruments meet the requirements of the following EU directives: ❚ 89/336EEC -Electromagnetic compatibility- The conformity of the above-mentioned product with the regulations of the directive 89/336EEC is proven by the observance of the standard specifications ❚... -
Page 102: Service Addresses
Appendix Service addresses 11.5 Service addresses Krautkrämer GmbH & Co. oHG Service-Center The DM4 instruments are manufactured according to Robert-Bosch-Str. 3 state-of-the-art methods using high-quality compo- D – 50354 Hürth nents. Thorough in-process inspections and a quality management system certified to DIN ISO 9001 ensure an optimum workmanship of the instrument. - Page 103 50 Industrial Park Road P.O. Box 350 Lewistown, PA 17044 Tel.: +1 717 - 242 03 27 Fax: +1 717 - 242 26 06EC Krautkramer DM4E / DM4 / DM4 DL Issue 05, 01/01 11-11 Appendix Service addresses Great Britain...
- Page 104 11-12 Issue 05, 01/01 Krautkramer DM4E / DM4 / DM4 DL 11-12 Issue 05, 01/01 Krautkramer DM4E / DM4 / DM4 DL...
- Page 105 Changes Krautkramer DM4E / DM4 / DM4 DL Issue 05, 01/01 12-1 Changes Krautkramer DM4E / DM4 / DM4 DL Issue 05, 01/01 12-1...
- Page 106 Exisiting changes or additions are described in this chapter. Otherwise this chapter remains empty. 12-2 Issue 05, 01/01 Krautkramer DM4E / DM4 / DM4 DL Changes Exisiting changes or additions are described in this chapter. Otherwise this chapter remains empty.
- Page 107 Index Krautkramer DM4E / DM4 / DM4 DL Issue 05, 01/01 13-1 Index Krautkramer DM4E / DM4 / DM4 DL Issue 05, 01/01 13-1...
- Page 108 Couplant ......1 -10 13-2 Issue 05, 01/01 Krautkramer DM4E / DM4 / DM4 DL Index 1-point calibration ..... . 5 -6 2-point calibration .
- Page 109 FLTR - bandpass filter ....5 -16 DIF - Difference mode ....5 -15 Krautkramer DM4E / DM4 / DM4 DL Issue 05, 01/01...
- Page 110 13-4 Issue 05, 01/01 Krautkramer DM4E / DM4 / DM4 DL Index GAIN ....... 5 -19 LANG selecting the language .
- Page 111 PC - data transfer ..... . 7 -8 specified for DM4 instruments ... 2 -4...
- Page 112 SPEC ......5 -19 13-6 Issue 05, 01/01 Krautkramer DM4E / DM4 / DM4 DL Index SPEC menu ..... 4 -8, 5 -13 Star display .
- Page 113 Voltage supply ......3 -2 Zero Automatic probe zero adjustment ..4 -5, 4 -9 Krautkramer DM4E / DM4 / DM4 DL Issue 05, 01/01 13-7...
- Page 114 13-8 Issue 05, 01/01 Krautkramer DM4E / DM4 / DM4 DL 13-8 Issue 05, 01/01 Krautkramer DM4E / DM4 / DM4 DL...
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