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OPERATION MANUAL DAKOTA ULTRASONICS MODEL MX-2 ULTRASONIC THICKNESS GAUGE P/N P-140-0002 Rev 1.90, August 2008

Dakota Ultrasonics 6The Display The numeric portion of the display consists of 4 complete digits preceded by a leading "1", and is used to

MX-2 Ultrasonic Thickness Gauge 7 When the IN symbol is on, the MX-2 is displaying a thickness value in inches. The maximum thickness that can be di

Dakota Ultrasonics 8The Transducer The transducer is the "business end" of the MX-2. It transmits and receives the ultrasonic sound waves

MX-2 Ultrasonic Thickness Gauge 9 against the material being measured, it is the area directly beneath the center of the wearface that is being measu

Dakota Ultrasonics 10sound velocity (see page 13), the number in the display will indicate the actual thickness of the material directly beneath the

MX-2 Ultrasonic Thickness Gauge 11Condition and Preparation of Surfaces In any ultrasonic measurement scenario, the shape and roughness of the test s

Dakota Ultrasonics 12Probe Zero Setting the Zero Point of the MX-2 is important for the same reason that setting the zero on a mechanical micrometer

MX-2 Ultrasonic Thickness Gauge 13At this point, the MX-2 has successfully calculated it's internal error factor, and will compensate for this v

Dakota Ultrasonics 14Programming the Sound Velocity Since the MX-2 is a fixed velocity gauge with 8 factory set material types, correct sound velocit

MX-2 Ultrasonic Thickness Gauge 154) To select the units (english or metric), click on the radio button located to the left of the units title. A b

Copyright  2008 Dakota Ultrasonics. All rights reserved. No part of this publication may be reproduced, translated into another language, stored in

Dakota Ultrasonics 16 TRANSDUCER SELECTION The MX-2 is inherently capable of performing measurements on a wide range of materials, from various metal

MX-2 Ultrasonic Thickness Gauge 17strength of the waves, and thus, the MX-2's ability to detect the returning echo. Higher frequency ultrasound

Dakota Ultrasonics 18Selection of the proper transducer is often a matter of tradeoffs between various characteristics. It may be necessary to exper

MX-2 Ultrasonic Thickness Gauge 19 APPENDIX A Product Specifications Physical Weight: 10 ounces Size: 2.5W x 4.75H x 1.25D inches (63.5W x 1

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MX-2 Ultrasonic Thickness Gauge 21 APPENDIX B Application Notes • Measuring pipe and tubing When measuring a piece of pipe to determine the thicknes

Dakota Ultrasonics 22above this point, the change in sound velocity of the material being measured starts to have a noticeable effect upon ultrasonic

MX-2 Ultrasonic Thickness Gauge 23An additional important consideration when measuring laminates, is that any included air gaps or pockets will cause

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MX-2 Ultrasonic Thickness Gauge 25 APPENDIX C Sound Velocities of some Common Materials Material sound velocityin/usm/sAluminum0.2506350Bismuth 0.086

MX-2 Ultrasonic Thickness Gauge CONTENTS INTRODUCTION OPERATION THE KEYPAD THE DISPLAY THE TRANSDUCER MAKING MEASUREMENTS CONDITION AND PREPARATION

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MX-2 Ultrasonic Thickness Gauge 27 WARRANTY INFORMATION • Warranty Statement • Dakota Ultrasonics warrants the MX-2 against defects in materials an

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MX-2 Ultrasonic Thickness Gauge 1 INTRODUCTION The Dakota Ultrasonics model MX-2 is a precision Ultrasonic Micrometer. Based on the same operating

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MX-2 Ultrasonic Thickness Gauge 3 OPERATION The MX-2 interacts with the operator through the membrane keypad and the LCD display. The functions of

Dakota Ultrasonics 4 The PRB-0 key is used to "zero" the MX-2 in much the same way that a mechanical micrometer is zeroed. If the gauge is

MX-2 Ultrasonic Thickness Gauge 5 The MAT’L key is used to toggle through the 8 hard set and 2 user programmed material types. When this key is pre