Dakota-ultrasonics UMX-2 User Manual

OPERATION MANUAL DAKOTA ULTRASONICS UUMMXX--22 Underwater Material & Coating Thickness Gauge P/N P-185-0004

UMX-2 Underwater Material & Coating Thickness Gauge 6 2.4 Quick Start (Dual Element) Procedure 1) Attached the transducer to the UMX-2. 2) Pre

7 CHAPTER THREE OVERVIEW Turn the UMX-2 on and off using the switch located on the bottom right corner of the keypad. When UMX-2 is initially turn

UMX-2 Underwater Material & Coating Thickness Gauge 8 4 Digit , 8 Segment LCD Display The 4 digit display illustrated above, is considered the p

Dakota Ultrasonics 9 Press & Release: Primary function – selection of menu items. To select a menu item, press and release the button. The sub

UMX-2 Underwater Material & Coating Thickness Gauge 10 Top LevelSTORE DIRECT CLEAR ZERO GAIN MATL UNITS MODE UMX-2LOC NORTH LOC AUTO VLOW ALU IN

11 CHAPTER FOUR MENU & CONNECTOR REFERENCE 4.1 Menu Options Top LevelSTOREDIRECTCLEARZEROGAINMATLUNITSMODEUMX-2 STORELOC Store: This menu d

UMX-2 Underwater Material & Coating Thickness Gauge 12 ZEROAUTOMANUALCOATIN Zero: The UMX-2 can use two different types of transducers, a dual

Dakota Ultrasonics 13 MATLALUSTLSTSTIRONCIROPYCPLSTPLURCUSTOM Material: The UMX-2 includes a list of common material types with standard set veloci

UMX-2 Underwater Material & Coating Thickness Gauge 14 • E-E-E (Triple Echo) – Special multiple echo mode used only with our single element memb

Dakota Ultrasonics 15 Top End Cap: Transducer Connectors The transducer connectors and single control button are located on the top end cap of the U

UMX-2 Underwater Material & Coating Thickness Gauge 16 Probe Zero Disk The UMX-2 is equipped with an Auto Zero, which eliminates the user from h

Dakota Ultrasonics 17 RS-232 Connector Refer to Diagram: The RS-232 connector is a 2 pin female LEMO connector. It is designed to connect directly

18 CHAPTER FIVE PRINCIPALS OF ULTRASONIC MEASUREMENT 5.1 Time versus thickness relationship Ultrasonic thickness measurements depend on measuring th

Dakota Ultrasonics 19 The sound frequencies used in ultrasonic thickness measurement do not travel through air efficiently. By using a liquid coupla

UMX-2 Underwater Material & Coating Thickness Gauge 20 Since pulse-echo only requires one reflection, it is the most sensitive mode for measuring

Dakota Ultrasonics 21 Dual Element Transducer in Echo to Echo mode Pulse Echo Coating Mode – Coating On (PECT) A custom hybrid combination mode usin

22 CHAPTER SIX SELECTING THE MEASUREMENT MODE 6.1 Which mode & transducer do I use for my application? High penetration plastics and castings T

Dakota Ultrasonics 23 Thin materials Use pulse echo mode and a high frequency transducer for these types of applications. The most common transducer

24 CHAPTER SEVEN MAKING MEASUREMENTS The steps involved in making measurements are detailed in this section. The following sections outline how to

Dakota Ultrasonics 25 or 1) Connect the probe to the UMX-2. 2) Be sure all couplant has been removed from the face of the transducer. 3)

UMX-2 Underwater Material & Coating Thickness Gauge CHAPTER ONE INTRODUCTION - CARE & WARRANTY ...

UMX-2 Underwater Material & Coating Thickness Gauge 26 zero is being performed, the UMX-2 will put the gauge into pulse-echo mode automatically b

Dakota Ultrasonics 27 5) Press and hold the button to escape out of the menu options at any time. 6) The UMX-2 in now ready to be calibrated for a

UMX-2 Underwater Material & Coating Thickness Gauge 28 measurement display. Note: Do not remove the transducer from the zero reference standard

Dakota Ultrasonics 29 in/µsec Aluminum 0.2500 6350 Steel (4340 Mild) 0.2330 5918 Stainless Steel (304) 0.2229 5662 Iron 0.2320 5893 Cast Iron

UMX-2 Underwater Material & Coating Thickness Gauge 30 5) The UMX-2 is now calibrated and ready to begin taking readings. Preset Material Types

Dakota Ultrasonics 31 To calibrate the UMX-2 for a specific type of coating using the DakView3 utility software, refer to page 58 for a complete expl

32 CHAPTER EIGHT ADDITIONAL FEATURES & OPTIONS 8.1 Power Off The UMX-2 will power off automatically after approximately 4 minutes without receiv

Dakota Ultrasonics 33 When? The low settings may be necessary for noisy or granular cast materials. How do I know when to lower the gain? If the r

UMX-2 Underwater Material & Coating Thickness Gauge 34 3) When the desired gain setting is displayed, immediately press and release the button

Dakota Ultrasonics 35 3) When the desired units are displayed, immediately press and release the button to set the units in the UMX-2. For this exa

UMX-2 Underwater Material & Coating Thickness Gauge 36 2) When UMX-2 is displayed, immediately press and release the button to enter the sub men

37 CHAPTER NINE THRU PAINT MEASUREMENT TECHNIQUE 9.1 Introduction to Thru Paint Measurement (Dual Element Probes) The principle behind thru paint me

UMX-2 Underwater Material & Coating Thickness Gauge 38 Disadvantages: Single element transducers are not capable of detecting pits and flaws wit

39 CHAPTER TEN PULSE-ECHO COATING & COATING TECHNIQUES 10.1 Introduction to Pulse-Echo Coating Measurement (PECT) In the previous sections we’ve

UMX-2 Underwater Material & Coating Thickness Gauge 40 saved for each individual reading, again offering confidence and detail for reporting purp

Dakota Ultrasonics 41 feature. This enables the UMX-2 to obtain very accurate readings on coatings, eliminating potential errors incurred from sligh

UMX-2 Underwater Material & Coating Thickness Gauge 42 10.4 Coating Calibration (PECT) Known Velocity If the coating velocity is known, and othe

43 CHAPTER ELEVEN DATA STORAGE – SETUP, EDIT, & VIEW FILES 11.1 Introduction to Grid and Sequential file formats The UMX-2 is equipped with two d

UMX-2 Underwater Material & Coating Thickness Gauge 44 Sequential Log Formats Important Note: For the duration of this cha

Dakota Ultrasonics 45 corner of the grid, there will be an (X,Y) coordinate. Where X is an alpha column location across the top and Y is a numeric r

1 CHAPTER ONE INTRODUCTION - CARE & WARRANTY The Dakota Ultrasonics model UMX-2 is an underwater ultrasonic thickness gauge that measures with

UMX-2 Underwater Material & Coating Thickness Gauge 46 Note: This section assumes that DakView3 has already been installed on you

Dakota Ultrasonics 47 3) When all the information has been entered into the fields, click the OK button to create and display the log file. 4) The

UMX-2 Underwater Material & Coating Thickness Gauge 48 11.4 Connecting to a PC Now that the log file has been created and saved on the PC, the ne

Dakota Ultrasonics 49 3) Plug either the RS232 into a serial port, or USB connector into a USB port on the PC. 4) Start the DakView3 utility softwa

UMX-2 Underwater Material & Coating Thickness Gauge 50 Note: A list of available ports can be determined in the device manager of the Windows®

Dakota Ultrasonics 51 clicking the FILE menu option, followed by clicking the UPLOAD TO GAUGE option. 8) Select the file to be uploaded to the UMX-2

UMX-2 Underwater Material & Coating Thickness Gauge 52 3) When the desired option is displayed, immediately press and release the button to set

Dakota Ultrasonics 53 the next in a time delayed sequence, and will display all the menu options in a continuous loop. 2) When DIRECT is displayed,

UMX-2 Underwater Material & Coating Thickness Gauge 54 Note: This section assumes the UMX-2 is powered up and ready to go. Also, the UMX-2 will

Dakota Ultrasonics 55 the next in a time delayed sequence, and will display all the menu options in a continuous loop. 2) When CLEAR is displayed, i

UMX-2 Underwater Material & Coating Thickness Gauge 2 The following procedure must be performed on the end cap o-rings before each use: 1. Clea

UMX-2 Underwater Material & Coating Thickness Gauge 56 7) Click the DOWN ARROW icon to initiate the file transfer. A dialog box will appear, d

Dakota Ultrasonics 57 1) Click on any of the measurement cells to review the gauge settings and waveform for that specific measureme

58 CHAPTER TWELVE SETUPS – CREATE, STORE, EDIT, & UPLOAD 12.1 Introduction to Setups The UMX-2 has been programmed with 8 of the most common mate

Dakota Ultrasonics 59 Note: This section assumes that DakView3 has already been installed on your PC, has been executed, and ready to

UMX-2 Underwater Material & Coating Thickness Gauge 60 3) There are two possible velocity settings available; material and coating. The user c

Dakota Ultrasonics 61 5) Specify the path to the folder to store the setup file in. Give the setup file a unique name, or overwrite the default fil

UMX-2 Underwater Material & Coating Thickness Gauge 62 1) Remove the bottom end cap of the UMX-2, in order to access the LEMO data jack. Remove

Dakota Ultrasonics 63 Note: A list of available ports can be determined in the device manager of the Windows® operating system. 6) Power on the UM

UMX-2 Underwater Material & Coating Thickness Gauge 64 clicking the FILE menu option, followed by clicking the UPLOAD TO GAUGE option. 8) Select

65 CHAPTER THIRTEEN UPGRADING THE FIRMWARE 13.1 Introduction to Firmware Firmware is the actual software, in the UMX-2 itself, that controls the func

Dakota Ultrasonics 3 1.3 Disclaimer Applies to dual element transducers: Inherent in ultrasonic thickness measurement is the possibility that the in

UMX-2 Underwater Material & Coating Thickness Gauge 66 1) Remove the bottom end cap of the UMX-2, in order to access the LEMO data jack. Remov

Dakota Ultrasonics 67 5) Open windows® ‘device manager’ and click the plus sign next to PORTS, in order to display the complete list of all com port

UMX-2 Underwater Material & Coating Thickness Gauge 68 10) Press and hold the single UMX-2 button, located on the top end cap, until the top leve

Dakota Ultrasonics 69 14) Enter the com port number previously assigned to the Prolific USB device, again 1-4, and press ENTER on your keyboard, fol

70 APPENDIX A - VELOCITY TABLE Material sound velocity in/us sound velocity m/s Aluminum 0.2510 6375 Beryllium 0.5080 12903 Brass

Dakota Ultrasonics 71 Tin 0.1310 3327 Titanium 0.2400 6096 Tungsten 0.2040 5182 Uranium 0.1330 3378 Water 0.0580 1473 Zinc 0.166

4 CHAPTER TWO QUICK STARTUP GUIDE The UMX-2 is pre-configured at Dakota Ultrasonics with a specific and common setup. As a result, the gauge should

Dakota Ultrasonics 5 1) Referring to the diagram above, be sure the dongle and transducer are connected as illustrated. Note: in order for the UMX