Dakota-ultrasonics PX-7 DL User Manual

OPERATION MANUAL DAKOTA ULTRASONICS MODEL PX-7 DL PRECISION THICKNESS GAUGE P/N P-130-0002 Rev 1.60, January 2008

Dakota Ultrasonics 6The MEM key enables/disables the data logging feature of the PX-7 DL. This key is used in conjunction with the UP/DOWN arrows, S

PX-7 DL Ultrasonic Thickness Gauge 7 The Display The numeric portion of the display consists of 4 complete digits preceded by a leading "1"

Dakota Ultrasonics 8When the IN symbol is on, the PX-7 DL is displaying a thickness value in inches. The maximum thickness that can be displayed is

PX-7 DL Ultrasonic Thickness Gauge 9 The Transducer The transducer is the "business end" of the PX-7. It transmits and receives ultrasonic

Dakota Ultrasonics 10 When measuring, press against the top of the transducer with the thumb or index finger to hold the transducer in place. Modera

PX-7 DL Ultrasonic Thickness Gauge 11If the Stability Indicator has fewer than five bars darkened, or the numbers on the display seem erratic, first

Dakota Ultrasonics 12Condition and Preparation of Surfaces In any ultrasonic measurement scenario, the shape and roughness of the test surface are of

PX-7 DL Ultrasonic Thickness Gauge 13Calibration In order for the PX-7 DL to make accurate measurements, it must be set to the correct sound-velocit

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

PX-7 DL Ultrasonic Thickness Gauge 15Calibration to a known velocity NOTE: This procedure requires that the operator know the sound-velocity of the

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

Dakota Ultrasonics 16PX-7 DL Modes & Features The Back light The back light of the PX-7 DL can be set to three different positions on/o

PX-7 DL Ultrasonic Thickness Gauge 17In normal operation, the PX-7 DL performs and displays four measurements every second, which is quite adequate f

Dakota Ultrasonics 18Using the Beeper 1) Press ON/OFF key to power up the unit. 2) Press MODE key to activate features and settings. 3) Press the

PX-7 DL Ultrasonic Thickness Gauge 19Measurement Modes The PX-7 is equipped with three measurement mode options (echo-echo, interface-echo, or auto).

Dakota Ultrasonics 20 Differential Mode In the Quality Control environment, it is sometimes necessary to know the difference between a nominal (targe

PX-7 DL Ultrasonic Thickness Gauge 21RS232 Serial Port & The Data Logger The PX-7 DL is equipped with an RS232 serial port. Using the accessory

Dakota Ultrasonics 22Note: Communications software packages generally have the ability to capture the screen data to a common text file. This text

PX-7 DL Ultrasonic Thickness Gauge 23Using the Data Logger (con't) • The current file will be diplayed ( F-01, F-03, etc. ) 4) Press the UP /

Dakota Ultrasonics 24Clearing a Storage Location The user may require a storage location, that is currently full, be over written. This procedure is

PX-7 DL Ultrasonic Thickness Gauge 25Clearing an Entire File The user may require the contents of an entire file be completely cleared of all measure

PX-7 DL Ultrasonic Thickness Gauge CONTENTS INTRODUCTION OPERATION THE KEYPAD THE DISPLAY THE TRANSDUCER MAKING MEASUREMENTS CONDITION AND PREPARATION

Dakota Ultrasonics 26Clearing all Files 1) Press the ON/OFF key to power up the PX-7 DL. 2) Immediately press the CLR key. CLr? Will be displayed.

PX-7 DL Ultrasonic Thickness Gauge 27Printing a File The user may wish to print an individual file to a serial printer or computer. A file can, very

Dakota Ultrasonics 28 TRANSDUCER SELECTION The PX-7 is inherently capable of performing measurements on a wide range of materials, from various metal

PX-7 DL Ultrasonic Thickness Gauge 29reduce the strength of the waves, and thus, the PX-7's ability to detect the returning echo. Higher frequen

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PX-7 DL Ultrasonic Thickness Gauge 31APPENDIX A Product Specifications Physical Weight: 10 ounces(with batteries). Size: 2.5W x 4.5 H x 1.24 D inch

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PX-7 DL Ultrasonic Thickness Gauge 33 APPENDIX B Application Notes • Measuring tubing When measuring a piece of tubing for wall thickness, it may pr

Dakota Ultrasonics 34a time as needed to acquire a stable measurement. While the transducer is in contact with a hot surface, it will begin to heat

PX-7 DL Ultrasonic Thickness Gauge 35 APPENDIX C Sound Velocities of some Common Materials Material sound velocityin/usm/sAluminum0.2506350Bismuth 0.

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PX-7 DL Ultrasonic Thickness Gauge 37 WARRANTY INFORMATION • Warranty Statement • Dakota Ultrasonics warrants the PX-7 DL against defects in materi

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

PX-7 DL Ultrasonic Thickness Gauge 1 INTRODUCTION The Dakota Ultrasonics model PX-7 DL is a precision Ultrasonic Micrometer. Based on the same oper

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PX-7 DL Ultrasonic Thickness Gauge 3 OPERATION The PX-7 DL interacts with the operator through the membrane keypad and the LCD display. The functio

Dakota Ultrasonics 4 The IN/MM key is used to switch back and forth between English and metric units. This key may be used at any time, whether th

PX-7 DL Ultrasonic Thickness Gauge 5 The UP arrow key has three functions. When the PX-7 DL is in calibration mode, this key is used to increase num