DM4E, DM4, DM4 DL Operating Manual
Page 3
Important Notice ....................................................... 1
Table of Contents ...................................................... 3
Warranty / Service ..................................................... 4
1. Introduction ........................................................... 5
1.1 How To Use This Manual................................. 5
1.2 DM4E, DM4, DM4DL Features....................... 5
1.3 How Instrument Measures Thickness.............. 5
2. Operation ............................................................... 7
2.1 Battery Installation........................................... 7
2.2 Display Symbols............................................. 7
2.3 Keyboard Controls........................................... 8
2.4 Getting Started ................................................ 9
2.5 Calibration To A Known Thickness,1-Point...... 9
2.6 Calibration To A Known Thickness,2-Point.... 10
2.7 Calibration To A Known Velocity ....................11
2.8 Normal Measurement - THK Mode .............. 12
2.9 Minimum Capture Measurement ................... 12
2.10 Receiver Gain Control
(DM4, DM4 DL) ............................................. 12
2.11 Using LO/HI Thickness Limits
(DM4, DM4 DL) ............................................. 13
2.12 Differential Measurement
(DM4, DM4 DL) ............................................. 13
2.13 Band Pass Filter Control
(DM4, DM4 DL) ............................................. 14
2.14 Resolution And Units of Measure .................. 14
2.15 Display Backlight ........................................... 14
2.16 Disabling/Enabling Functions ........................ 14
2.17 Recording Measurements
(DM4 DL) ....................................................... 15
2.18 Dual Multi Measurement Mode
(DM4, DM4 DL) ............................................. 15
2.19 DA3 Operating Mode..................................... 16
3. Data Logger Operation ....................................... 17
3.1 The DM4 DL Data Logger ............................. 17
3.2 Setting Number of Files................................. 17
Table of Contents
3.3 Selecting A File ............................................. 17
3.4 Logging Readings Into Memory..................... 18
3.4.1 Recording an OBSTRUCT Value ........ 18
3.5 Selecting Locations ....................................... 18
3.6 Reviewing Stored Thickness Readings ......... 18
3.7 Clearing and Replacing Readings ................. 19
3.8 Clearing Selected Files ................................. 19
3.9 Clearing Entire Memory ................................ 19
3.10 Permanent Storage ....................................... 19
4. Serial I/O Interface .............................................. 20
4.1 The DM4 DL Serial Interface......................... 20
4.2 Setting Baud Rate ......................................... 20
4.3 Report Language Selection ........................... 20
4.4 Printing Data ................................................. 20
4.5 Sending Data To A Personal Computer......... 21
4.6 Importing Data Into A Spreadsheet ............... 22
4.7 Interrupted Transmission Procedure ............. 22
5. Specifications...................................................... 23
5.1 Instrument Specifications .............................. 23
5.2 Probe Specifications...................................... 24
5.3 Dual Multi “Through Coating”Mode Probe.........
Specifications ................................................ 25
6. Application .......................................................... 26
6.1 General Notes ............................................... 26
6.1.1 Flaws ................................................... 26
6.1.2 Surface Conditions .............................. 26
6.1.3 Curved Surfaces ................................. 26
6.2 Thickness Meas. On Hot Test Pieces............. 26
7. Worldwide Service Centers ................................ 28
Appendix A: Displays, Quick Reference ............... 29
Appendix B: Locations Per File ............................. 33
Appendix C: Operational Software Reset ............. 34
Index ...................................................................... 35