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CONTENTS

CHAPTER ONE INTRODUCTION ...................................................................... 1

1.1

ISCLAIMER

......................................................................................................................... 1

CHAPTER TWO KEYPAD, MENU, DISPLAY & CONNECTORS ..................... 2

2.1

ON/OFF/ENTER

… ..................................................................................................... 2

2.2

PRB

… ....................................................................................................................... 2

2.3

CAL

…. ......................................................................................................................... 3

2.4

GAIN

…. ....................................................................................................................... 3

2.5

SCAN

…. ...................................................................................................................... 3

2.6

+/-

NCREMENT

ECREMENT

’

…. .................................................................................. 3

2.7

MATL

…. ...................................................................................................................... 3

2.8

… ...................................................................................................................... 3

2.9

ISPLAY

....................................................................................................................... 5

2.10

RANSDUCER

.............................................................................................................. 6

2.11

.................................................................................................................... 8

CHAPTER THREE PRINCIPALS OF ULTRASONIC MEASUREMENT ........... 9

3.1

IME VERSUS THICKNESS RELATIONSHIP

............................................................................... 9

3.2

UITABILITY OF MATERIALS

................................................................................................... 9

3.3

ANGE OF MEASUREMENT AND ACCURACY

............................................................................ 9

3.4

OUPLANT

........................................................................................................................... 9

3.5

EMPERATURE

................................................................................................................... 10

3.6

EASUREMENT

ODES

...................................................................................................... 10

CHAPTER FOUR SELECTING THE MEASUREMENT MODE ....................... 12

4.1

HICH MODE

TRANSDUCER DO

USE FOR MY APPLICATION

? ............................................ 12

CHAPTER FIVE MAKING MEASUREMENTS ................................................. 14

5.1

ROBE ZERO

...................................................................................................................... 14

5.2

ATERIAL

ALIBRATION

..................................................................................................... 16

CHAPTER SIX ADDITIONAL FEATURES ....................................................... 23

6.1

AIN

.................................................................................................................................. 23

6.2

IGH

PEED

CAN

............................................................................................................. 24

6.3

NITS

................................................................................................................................ 24

6.4

ITE

................................................................................................................................... 25

6.5

ERO

................................................................................................................................. 26

www.calcert.com

[email protected]

1.888.610.7664

Содержание ZX-3

Страница 1: ...OPERATION MANUAL DAKOTA ULTRASONICS Z ZX X 3 3 Ultrasonic Thickness Gauge P N P 302 0002 Rev 1 10 March 2019 www calcert com sales calcert com 1 888 610 7664 0 5 10 15 20 25 30...

Страница 2: ...ASUREMENT 9 3 1 TIME VERSUS THICKNESS RELATIONSHIP 9 3 2 SUITABILITY OF MATERIALS 9 3 3 RANGE OF MEASUREMENT AND ACCURACY 9 3 4 COUPLANT 9 3 5 TEMPERATURE 10 3 6 MEASUREMENT MODES 10 CHAPTER FOUR SELE...

Страница 3: ...6 6 PROBE DIAMETER 27 6 7 LOCK 28 6 8 FACTORY DEFAULTS 29 APPENDIX A VELOCITY TABLE 31 APPENDIX B APPLICATION NOTES 33 www calcert com sales calcert com 1 888 610 7664 0 5 10 15 20 25 30...

Страница 4: ...ng measured 1 1 Disclaimer Inherent in ultrasonic thickness measurement is the possibility that the instrument will use the second rather than the first echo from the back surface of the material bein...

Страница 5: ...keyboard This key will be used to select or set a menu option Note Unit will automatically power off when idle for 5 minutes All current settings are automatically saved prior to powering off 2 2 PRB...

Страница 6: ...plications There are five gain settings VLOW LOW MED HIGH VHI The gain range is 40dB 52dB in 3dB increments Refer to page 23 for details regarding the gain feature 2 5 SCAN Key The ZX 3 offers a high...

Страница 7: ...the various features in MENU Navigating the Features in Menu 1 Press the key once to enter the sub menu items 2 Press the keys to toggle through the features 3 To enable or edit the status of any feat...

Страница 8: ...value or setting B Large 7 segment The thickness measurement velocity or alpha message will be displayed in this area C Measurement Modes This icon indicates the measurement mode The ZX 3 operates exc...

Страница 9: ...ial type L Features The icons illuminated in this row across the bottom of the LCD display which features are currently enabled For a complete list of the menu features in the ZX 3 Refer to page 3 for...

Страница 10: ...d with the use of a coupling fluid commonly called couplant This fluid serves to couple or transfer the ultrasonic sound waves from the transducer into the material and back again Before attempting to...

Страница 11: ...ted on the ZX 3 s top end cap The transducer connectors are of type Lemo 00 Note There is no polarity associated with connecting the transducer to the ZX 3 it can be plugged into the gauge in either d...

Страница 12: ...ide variety of materials including metals plastics and glass Materials that are difficult include some cast materials concrete wood fiberglass and some rubber 3 3 Range of measurement and accuracy The...

Страница 13: ...ement Modes This section will cover the different measurements modes of the ZX 3 the transducers required and the reasons for using specific modes Pulse Echo P E Mode Pulse echo mode measures from the...

Страница 14: ...quency and diameter A limitation of dual element delay line transducers is the V shaped sound path Because the sound travels from one element to another the time versus thickness relationship is non l...

Страница 15: ...ing the ability to detect flaws and pits A special coating style transducer is required for use in this mode There are a variety of coating transducers in various frequencies available from Dakota Thr...

Страница 16: ...ues or mirroring effect Higher frequency transducers 7 10MHz offer improved resolution to avoid erroneous measurements Restricted access Measuring materials with extreme curvatures or restricted acces...

Страница 17: ...he velocity of a single sample refer to the Material Calibration section on page 16 When measuring curved materials it s more accurate to calibrate from two test points one at the minimum limit of the...

Страница 18: ...Ln Prb clean probe 2 Make sure the couplant is wiped clean from the tip of the transducer to avoid any zero error 3 Press the key to perform the zero Performing a Manual Probe Zero On Block Note When...

Страница 19: ...gauge is not set to the correct sound velocity all of the measurements the gauge makes will be erroneous by some amount The One Point calibration is the simplest and most commonly used calibration me...

Страница 20: ...ation option The one point calibration option is most suited for linearity over large ranges When using the one point option the calibration should be perform on the thickest side of the measurement r...

Страница 21: ...value Note The longer the keys are pressed and held the faster the value will increment decrement Note Pressing the key prior to pressing the key will abort the cal routine without saving any changes...

Страница 22: ...standard For clarification if it s desired to use a one inch reference of a specific material type as the zero reference performing the first point of a two point calibration sets the internal zero o...

Страница 23: ...reen Note The internal zero of the ZX 3 is now set The procedure above can be used to set the internal zero of the ZX 3 to use any reference standard as the probe zero standard if desired 6 Repeat ste...

Страница 24: ...nable approximation of the thickness There are 9 common materials and 2 user programmable settings available It s important to note that these velocities will not always be an exact representation of...

Страница 25: ...the measurement screen without saving any changes 4 If USR1 or USR2 were selected the velocity edit screen will be displayed and edit icon illuminated and flashing 5 Use the keys to scroll to the des...

Страница 26: ...his mode as standard However some applications may require the lower or higher gain settings When The low settings may be necessary for noisy or granular cast materials How do I know when to lower the...

Страница 27: ...f the ZX 3 increases the overall repetition rate to a maximum of 140Hz with a high speed screen refresh rate of 25 times a second This allows for making scanned passes over an arbitrary length of the...

Страница 28: ...ey prior to pressing the key will abort to the measurement screen without saving changes 5 When the desired UNIT setting is displayed press the key to set the units and return to the measurement scree...

Страница 29: ...MED HI options 7 When the desired BRT setting is displayed press the key to set the brightness and return to the measurement screen Note Pressing the key prior to pressing the key will abort to the m...

Страница 30: ...ayed press the key to set the status and return to the measurement screen 6 6 Probe Diameter The PROB feature was added to improve linearity when using a specific probe diameter The default standard s...

Страница 31: ...ress the key to set the diameter and return to the measurement screen 6 7 Lock The lock feature was built into the ZX 3 for the purpose of locking the operators out of editing any of the gauge setting...

Страница 32: ...ng properly or perhaps multiple features have been enabled and a clean start is needed The procedure to reset the gauge is outlined below Factory Reset 1 With the ZX 3 powered off press and hold down...

Страница 33: ...eset option 6 Press the keys to toggle YES followed by pressing to reset the gauge 7 Repeat the steps above to set MEDI ZERO back to their original settings noted in step three above www calcert com s...

Страница 34: ...on 0 2320 5893 Cast Iron 0 1800 approx 4572 Lead 0 0850 2159 Magnesium 0 2300 5842 Mercury 0 0570 1448 Molybdenum 0 2460 6248 Monel 0 2110 5359 Nickel 0 2220 5639 Nylon 0 1060 approx 2692 Platinum 0 1...

Страница 35: ...sonics 32 Tin 0 1310 3327 Titanium 0 2400 6096 Tungsten 0 2040 5182 Uranium 0 1330 3378 Water 0 0580 1473 Zinc 0 1660 4216 Zirconium 0 1830 4648 www calcert com sales calcert com 1 888 610 7664 0 5 10...

Страница 36: ...ve this point the change in sound velocity of the material being measured starts to have a noticeable effect upon ultrasonic measurement At such elevated temperatures it is recommended that the user p...

Страница 37: ...ditional important consideration when measuring laminates is that many included air gaps or pockets which will cause an early reflection of the ultrasound beam This effect will be noticed as a sudden...

Страница 38: ...duct Dakota Ultrasonics specifically disclaims any implied warranties of merchantability or fitness for a particular purpose Some states or provinces do not allow limitations on the duration of an imp...

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