Dakota-ultrasonics MX-3 User Manual

OPERATION MANUAL DAKOTA ULTRASONICS MODEL MX-3 ULTRASONIC THICKNESS GAUGE P/N P-112-0002 Rev 1.90, January 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-3 Ultrasonic Thickness Gauge 7 When the IN symbol is on, the MX-3 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-3. It transmits and receives the ultrasonic sound waves

MX-3 Ultrasonic Thickness Gauge 9 This is a top view of a typical transducer. Press against the top with the thumb or index finger to hold the trans

Dakota Ultrasonics 10If the Stability Indicator has fewer than five bars darkened, or the numbers on the display seem erratic, first check to make su

MX-3 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-3 is important for the same reason that setting the zero on a mechanical micrometer

MX-3 Ultrasonic Thickness Gauge 13At this point, the MX-3 has successfully calculated it's internal error factor, and will compensate for this v

Dakota Ultrasonics 14Calibration to a known thickness NOTE: This procedure requires a sample piece of the specific material to be measured, the exac

MX-3 Ultrasonic Thickness Gauge 15Calibration to a known velocity NOTE: This procedure requires that the operator know the sound-velocity of the mat

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

Dakota Ultrasonics 16Two Point Calibration NOTE: This procedure requires that the operator has two known thickness points on the test piece that ar

MX-3 Ultrasonic Thickness Gauge 17Scan Mode While the MX-3 excels at making single point measurements, it is sometimes desirable to examine a larger

Dakota Ultrasonics 18 TRANSDUCER SELECTION The MX-3 is inherently capable of performing measurements on a wide range of materials, from various metal

MX-3 Ultrasonic Thickness Gauge 19strength of the waves, and thus, the MX-3's ability to detect the returning echo. Higher frequency ultrasound

Dakota Ultrasonics 20Selection of the proper transducer is often a matter of tradeoffs between various characteristics. It may be necessary to exper

MX-3 Ultrasonic Thickness Gauge 21 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-3 Ultrasonic Thickness Gauge 23 APPENDIX B Application Notes • Measuring pipe and tubing When measuring a piece of pipe to determine the thicknes

Dakota Ultrasonics 24above this point, the change in sound velocity of the material being measured starts to have a noticeable effect upon ultrasonic

MX-3 Ultrasonic Thickness Gauge 25An additional important consideration when measuring laminates, is that any included air gaps or pockets will cause

MX-3 Ultrasonic Thickness Gauge CONTENTS INTRODUCTION OPERATION THE KEYPAD THE DISPLAY THE TRANSDUCER MAKING MEASUREMENTS CONDITION AND PREPARATION O

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MX-3 Ultrasonic Thickness Gauge 27 APPENDIX C Sound Velocities of some Common Materials Material sound velocityin/usm/sAluminum0.2506350Bismuth 0.086

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MX-3 Ultrasonic Thickness Gauge 29 WARRANTY INFORMATION • Warranty Statement • Dakota Ultrasonics warrants the MX-3 against defects in materials an

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MATERIAL SAFETY DATA SHEETN/A = not applicable or not available (To comply with 29 CFR 1910.1200)SECTION 1 – PRODUCT IDENTIFICATIONProduct Name: SOUND

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MX-3 Ultrasonic Thickness Gauge 1 INTRODUCTION The Dakota Ultrasonics model MX-3 is a precision Ultrasonic Micrometer. Based on the same operating

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

Dakota Ultrasonics 4The PRB-0 key is used to "zero" the MX-3 in much the same way that a mechanical micrometer is zeroed. If the gauge is

MX-3 Ultrasonic Thickness Gauge 5 The UP arrow key has two functions. When the MX-3 is in calibration mode, this key is used to increase numeric val