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Dakota Digital CMX Appendix A Velocity Table, Material, sound velocity, in/us, Aluminum, 0.2510

Models: CMX

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APPENDIX A -

VELOCITY TABLE

Material	sound velocity		sound velocity
	in/us		m/s

Aluminum	0.2510		6375

Beryllium	0.5080		12903
Brass	0.1730		4394
Bronze	0.1390		3531
Cadmium	0.1090		2769
Columbium	0.1940		4928
Copper	0.1830		4648
Glass (plate)	0.2270		5766
Glycerine	0.0760		1930
Gold	0.1280		3251
Inconel	0.2290		5817
Iron	0.2320		5893
Cast Iron	0.1800	(approx)	4572
Lead	0.0850		2159
Magnesium	0.2300		5842
Mercury	0.0570		1448

Molybdenum	0.2460		6248
Monel	0.2110		5359
Nickel	0.2220		5639
Nylon	0.1060	(approx)	2692
Platinum	0.1560		3962
Plexiglas	0.1060		2692
Polystyrene	0.0920		2337
PVC	0.0940		2388
Quartz glass	0.2260		5740
Rubber vulcanized	0.0910		2311
Silver	0.1420		3607
Steel (1020)	0.2320		5893
Steel (4340)	0.2330		5918
Steel Stainless"	0.2230		5664
Teflon	0.0540		1372

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Dakota Digital CMX Appendix A Velocity Table, Material, sound velocity, in/us, Aluminum, 0.2510, 6375, Beryllium, 0.5080

Contents

OPERATION MANUAL Page CHAPTER EIGHT THRU PAINT MEASUREMENT TECHNIQUE CHAPTER SEVEN USING THE DIGITS & B-SCAN DISPLAYSAPPENDIX A - SETUP LIBRARY CHAPTER NINE PULSE-ECHO COATING & COATING TECHNIQUESPage CHAPTER ONE INTRODUCTION 1.1 Disclaimer∙ Telephone 831 ∙ Facsimile CHAPTER TWO QUICK STARTUP GUIDE 2.1 CMX Overview∙ Measurement Mode ∙ Differential Mode ∙ High Speed Scan Mode ∙ Alarm Mode ∙ Gain SettingCMX High Performance Material & Coating Thickness Gauge G. Units - The current measurement units being used English, Metric2.2 Auto Probe Recognition Probe Automatically Recognized2.3 Selecting the Transducer Type Selecting the Transducer Type 2.4 Probe Zero & Calibration Coating Probe Not Identified Performing an Auto Probe Zero Off BlockCoating Probe Identified Coating Probe Identified Coating Probe Not IdentifiedPerforming a Manual Probe Zero On Block One Point Material Calibration Coating Probe Identified Coating Probe Not IdentifiedUsing a Known Thickness 2.5 Zero Coating Performing a Coating Zero 2.6 Coating Calibration Using a Known Coating Velocity Known Coating VelocityUsing a Coating Sample to Calibrate Known Coating Thickness5 Press the UP and DOWN arrow keys to scroll the highlighted value CMX High Performance Material & Coating Thickness Gauge4 Press the ENTER key to display the Digits Edit Box 6 Press the LEFT and RIGHT arrow keys to scroll the digit locations2.7 Measure Selecting the Measurement View OptionAdjusting B-START & B-DEPTH Digit Edit Box as follows DIGITS B-SCANCHAPTER THREE KEYBOARD, MENU, & CONNECTOR REFERENCE 3.1 Menu Key Operation & Sub MenusActivating and Getting Around in the Menu Items Getting Around in the Sub Menu Items3.2 Probe - Menu 3.3 CAL - Menu3.4 DISP display - Menu 3.5 TUNE - Menu3.6 SETUP - Menu 3.7 UTIL utilities - Menu3.10 MEAS measurement mode Key 3.8 XFER transfer - Menu3.9 CLR clear Key 3.11 OK Key3.15 MULTI MODE Key 3.13 Arrow Keys3.14 ENTER key 3.16 ON/OFF KeyRS-232 Connector Transducer ConnectorsProbe Zero Disk & Battery Cover 3.17 Top & Bottom End Caps4.2 Suitability of materials CHAPTER FOUR PRINCIPALS OF ULTRASONIC MEASUREMENT4.1 Time versus thickness relationship 4.3 Range of measurement and accuracyHigh temperature measurements 4.5 TemperatureNormal temperature range Modes and temperature errorsSearching for small defects Dual Element Transducer showing V-path of signalV-Path Correction Echo-Echo Mode - Thru-Paint E-EDual Element Transducer in Echo to Echo mode Pulse Echo Coating Mode - Coating On PECTCoating Mode - Coating Only CT Pulse-Echo Temperature Compensated Mode - Temp Comp PETP High penetration plastics and castings CHAPTER FIVE SELECTING THE MEASUREMENT MODE 5.1 The setup library5.2 Which mode & transducer do I use for my application? Corrosion & Pit Detection in steel and cast materialsCoating Only High temperatureThru Paint & Coatings Thin materials5.3 Factory Setup Chart Restricted accessCHAPTER SIX MAKING MEASUREMENTS 6.1 Auto Probe Recognition & Selecting The Transducer TypeProbe Automatically Recognized Selecting the Transducer Type CMX High Performance Material & Coating Thickness Gauge Coating Probe Not Identified 6.2 Probe zeroCoating Probe Identified Performing an Auto Probe Zero Off BlockPerforming a Manual Probe Zero On Block Coating Probe IdentifiedCoating Probe Not Identified Dakota Ultrasonics Coating Probe IdentifiedCoating Probe Not Identified Using a Known Material Velocity 6.3 Material CalibrationKnown Velocity 4 Press the UP and DOWN arrow keys to scroll the highlighted value Dakota Ultrasonics3 Press the ENTER key to display the Digits Edit Box 5 Press the LEFT and RIGHT arrow keys to scroll the digit locationsCMX High Performance Material & Coating Thickness Gauge Known Thickness One Point Calibration5 Press the UP and DOWN arrow keys to scroll the highlighted value CMX High Performance Material & Coating Thickness Gauge4 Press the ENTER key to display the Digits Edit Box 6 Press the LEFT and RIGHT arrow keys to scroll the digit locationsTwo Point Calibration Basic Material Type Selecting a Basic Material Type CMX High Performance Material & Coating Thickness Gauge CHAPTER SEVEN USING THE DIGITS & B -SCAN DISPLAYS 7.1 Display Views DIGITS VIEW DIGITSB-Scan B-Scan ViewCMX High Performance Material & Coating Thickness Gauge The following is a list of the viewable features on the display∙ Alarm Mode ON/OFF/AUDIBLE ∙ Gain Setting VLOW, LOW, MED, HI, VHI ∙ Measurement Mode P-E, PECT, PETP, E-E, COATEnabling the B-Scan Feature 7.2 Activating B-Scan View7.3 Adjusting the B-Scan Start B-START & Depth B-DEPTH Starting depth B -STARTAdjusting the Starting Depth B-START Adjusting the Overall Depth B-DEPTH Overall range B-DEPTH4 Alternatively , press the ENTER key to display the Digits Edit Box 7.4 Gain Adjusting the Gain 8.2 Using Thru Paint Mode CHAPTER EIGHT THRU PAINT MEASUREMENT TECHNIQUE8.1 Introduction to Thru Paint Measurement 9.1 Introduction to Pulse-Echo Coating Measurement PECT The coating modes can be enabled in three different waysCHAPTER NINE PULSE-ECHO COATING & COATING TECHNIQUES 9.2 Enabling Pulse-Echo Coating Mode PECT & Coating CTProbe Automatically Recognized PECT only Multi Mode Key Pressed PECT & CT Applied to MetalsNot Applied to Metals Measure Mode Tabbed Menus - PECT & CT Applied to MetalsNot Applied to Metals 9.3 Zero Coating Performing a Coating ZeroCMX High Performance Material & Coating Thickness Gauge 7 Press the ENTER key to display the confirmation screen9.4 Coating Calibration PECT Known Velocity Using a Known Material Velocity4 Press the UP and DOWN arrow keys to scroll the highlighted value CMX High Performance Material & Coating Thickness Gauge3 Press the ENTER key to display the Digits Edit Box 5 Press the LEFT and RIGHT arrow keys to scroll the digit locationsKnown Thickness One Point Calibration5 Press the UP and DOWN arrow keys to scroll the highlighted value CMX High Performance Material & Coating Thickness Gauge4 Press the ENTER key to display the Digits Edit Box 6 Press the LEFT and RIGHT arrow keys to scroll the digit locations9.5 Introduction to Coating Measurement CT 9.6 Two Point Coating Calibration CT Known ThicknessOne Point Calibration 5 Press the UP and DOWN arrow keys to scroll the highlighted value Dakota Ultrasonics4 Press the ENTER key to display the Digits Edit Box 6 Press the LEFT and RIGHT arrow keys to scroll the digit locationsTwo Point Calibration 5 Press the UP and DOWN arrow keys to scroll the highlighted value Dakota Ultrasonics4 Press the ENTER key to display the Digits Edit Box 6 Press the LEFT and RIGHT arrow keys to scroll the digit locationsCHAPTER TEN ADDITIONAL FEATURES OF THE CMX 10.1 High Speed Scan Using the Scan Mode10.2 Alarm Mode Toggle Alarm on/offSetting the Alarm Low Limit 3 Alternatively , press the ENTER key to display the Digits Edit Box10.3 Differential Mode Toggle Differential on/offSetting the Differential Value CHAPTER ELEVEN SETUPS - CREATE, STORE, EDIT, & RECALL 11.1 Introduction to Setups11.2 Opening a Setup Opening a Setup 11.3 Saving a Setup Saving a Setup 3 Press the ENTER key to display the Save Setup Parameters List Box7 Press the OK key to return to the Save Setup Parameters List Box 12 Press the OK key to activate the confirmation screen 10Press the ENTER key to activate the Setup List BoxCMX High Performance Material & Coating Thickness Gauge 14 Finally, press the MEAS key to return to the measurement screen11.4 Deleting a Saved Setup Deleting a Setup11.5 Using the Default Setup Using the Default Setup 11.6 Selecting a Language Selecting a Language12.1 Computer System Requirements CHAPTER TWELVE USING THE UTILITY SOFTWARE12.2 Installing DakView USB to Serial Converter12.3 Using the XFER menu CMX Accessing and Using the XFER Menusound velocity APPENDIX A VELOCITY TABLEMaterial in/usTitanium 0.13103327 0.2400Comment APPENDIX A SETUP LIBRARYNum Name Gn/AGC Velocity