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Dakota Digital CMX operation manual Pulse-Echo Temperature Compensated Mode - Temp Comp PETP

Models: CMX

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Dakota Ultrasonics

Pulse-Echo Temperature Compensated Mode – Temp Comp (PETP)

This is a custom mode that combines pulse-echo and electronic zero techniques to automatically adjust for temperature changes in the transducer as a result of an increasing/decreasing temperature gradient in the test material. Note: rough surface conditions can have an effect on the overall accuracy in this mode. If the surface condition is in question, the pulse-echo mode should be used in conjunction with performing an off block automatic zero as the temperature gradient changes.

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Dakota Digital CMX operation manual Pulse-Echo Temperature Compensated Mode - Temp Comp PETP

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 ∙ Telephone 831 ∙ Facsimile CHAPTER ONE INTRODUCTION1.1 Disclaimer 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-ECoating Mode - Coating Only CT Dual Element Transducer in Echo to Echo modePulse Echo Coating Mode - Coating On PECT 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 BlockCoating Probe Not Identified Performing a Manual Probe Zero On BlockCoating Probe Identified Coating Probe Not Identified Dakota UltrasonicsCoating Probe Identified Known Velocity Using a Known Material Velocity6.3 Material Calibration 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 8.1 Introduction to Thru Paint Measurement 8.2 Using Thru Paint ModeCHAPTER EIGHT THRU PAINT MEASUREMENT TECHNIQUE 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 Not Applied to Metals Multi Mode Key Pressed PECT & CTApplied to Metals Not Applied to Metals Measure Mode Tabbed Menus - PECT & CTApplied 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 11.2 Opening a Setup CHAPTER ELEVEN SETUPS - CREATE, STORE, EDIT, & RECALL11.1 Introduction to Setups 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