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DAKOTA ULTRASONICS ZX-6 DL, Руководство по эксплуатации

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7.2

 

C

ALIBRATION TO A KNOWN THICKNESS

 ................................................................................ 28

 

7.3

 

C

ALIBRATION TO A KNOWN VELOCITY

 .................................................................................. 29

 

CHAPTER EIGHT ADDITIONAL FEATURES ................................................. 31

 

8.1

 

G

AIN

 ................................................................................................................................. 31

 

8.2

 

H

IGH 

S

PEED 

S

CAN

 ............................................................................................................. 32

 

8.3

 

A

LARM

 ............................................................................................................................... 33

 

8.4

 

D

IFFERENTIAL

 .................................................................................................................... 34

 

8.5

 

U

NITS

 ................................................................................................................................ 35

 

8.6

 

L

ITE

 ................................................................................................................................... 36

 

8.7

 

B

EEP

 ................................................................................................................................. 37

 

8.8

 

Z

ERO

 ................................................................................................................................. 38

 

8.9

 

V

ELOCITY 

(VX) .................................................................................................................. 39

 

8.10

 

P

ROBE 

D

IAMETER 

&

 

F

REQUENCY

 ..................................................................................... 40

 

8.11

 

L

OCK

 ............................................................................................................................... 41

 

8.12

 

F

ACTORY 

D

EFAULTS

 ........................................................................................................ 42

 

CHAPTER NINE DATA STORAGE ................................................................. 44

 

9.1

 

I

NTRODUCTION

 .................................................................................................................. 44

 

9.2

 

O

PENING A 

D

ATA 

F

ILE

 ........................................................................................................ 44

 

9.3

 

S

TORING A 

M

EASUREMENT

 ................................................................................................ 45

 

9.4

 

C

LEARING A 

F

ILE

 ............................................................................................................... 46

 

9.5

 

C

LEAR 

A

LL 

F

ILES

 ............................................................................................................... 47

 

CHAPTER TEN DATA TRANSFER & POWER OPTIONS.............................. 49

 

10.1

 

C

ONNECTIVITY

 ................................................................................................................. 49

 

10.2

 

O

PENING A 

F

ILE

 ............................................................................................................... 49

 

10.3

 

C

OPYING

/O

PENING 

F

ILES

 ................................................................................................. 49

 

10.4

 

L

INE 

P

OWER

 .................................................................................................................... 50

 

APPENDIX A - VELOCITY TABLE .................................................................. 51

 

APPENDIX  B- APPLICATION NOTES ........................................................... 53

 

 
 

Содержание ZX-6 DL

Страница 1: ...OPERATION MANUAL DAKOTA ULTRASONICS Z ZX X 6 6 D DL L Ultrasonic Multi Echo Data Logging Thickness Gauge P N P 306 0002 Rev 1 10 March 2019...

Страница 2: ......

Страница 3: ...ASONIC MEASUREMENT 10 3 1 TIME VERSUS THICKNESS RELATIONSHIP 10 3 2 SUITABILITY OF MATERIALS 10 3 3 RANGE OF MEASUREMENT AND ACCURACY 10 3 4 COUPLANT 10 3 5 TEMPERATURE 11 3 6 MEASUREMENT MODES 11 CHA...

Страница 4: ...9 VELOCITY VX 39 8 10 PROBE DIAMETER FREQUENCY 40 8 11 LOCK 41 8 12 FACTORY DEFAULTS 42 CHAPTER NINE DATA STORAGE 44 9 1 INTRODUCTION 44 9 2 OPENING A DATA FILE 44 9 3 STORING A MEASUREMENT 45 9 4 CLE...

Страница 5: ...difficulties not covered in this manual Customer support may be reached at any of the following Dakota Ultrasonics Corporation 1500 Green Hills Road 107 Scotts Valley CA 95066 Tel 831 431 9722 Fax 83...

Страница 6: ...ENTER key similar to a computer 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 sav...

Страница 7: ...250 storage locations per file Refer to page 44 for an explanation on the various calibration options 2 5 CLR Key The CLR key is used in conjunction with the data logging section to clear a single st...

Страница 8: ...t Lo Set Nominal Lo 25 7 VHI Plexiglass Set Hi Med 50 3 PVC High 50 5 Plastic Poly Urea User 1 User 2 Here s a quick overview of navigating through the various features in MENU Navigating the Features...

Страница 9: ...surements D Stability Repeatability Indicator This is used in conjunction with the thickness measurement as a reference for the validity of the measurement The ZX 6 DL takes multiple measurements per...

Страница 10: ...ZX 6 DL can be locked once calibrated to avoid accidently changing the calibration When this icon is illuminated the ZX 6 DL is in lock mode Refer to page 41 for an explanation on locking the ZX 6 DL...

Страница 11: ...rial being measured This is accomplished 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 mater...

Страница 12: ...type Lemo 00 Note There is no polarity associated with connecting the transducer to the ZX 6 DL it can be plugged into the gauge in either direction Probe Zero Disk Battery Cover Refer to Diagram The...

Страница 13: ...tandard USB type A port on a PC The cable supplied with the ZX 6 DL is a USB type C to a USB type A pt N 003 0330 See page 49 for information on connectivity Note This connector is also used to upgrad...

Страница 14: ...ss measurement is practical in a wide variety of materials including metals plastics and glass Materials that are difficult include some cast materials concrete wood fiberglass and some rubber 3 3 Ran...

Страница 15: ...ion help to minimize these errors 3 6 Measurement Modes This section will cover the different measurements modes of the ZX 6 DL the transducers required and the reasons for using specific modes Pulse...

Страница 16: ...al Searching for small defects Dual element delay line transducers are especially useful in searching for small defects In pulse echo mode with high amplifier gain very small defects can be located As...

Страница 17: ...ZX 6 DL Ultrasonic Multi Mode Thickness Gauge 13 Dual Element Transducer in Echo to Echo mode...

Страница 18: ...f coating transducers in various frequencies available from Dakota Thru Paint Coatings Often times users will be faced with applications where the material will be coated with paint or some other type...

Страница 19: ...s are available for these types of applications Both pulse echo and echo echo modes will also work for these applications However echo echo mode will eliminate error caused by temperature variations i...

Страница 20: ...n Velocity To determine the velocity of a single sample refer to the Material Calibration section on page 18 When measuring curved materials it s more accurate to calibrate from two test points one at...

Страница 21: ...be displayed on the screen and flashing CLn 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 Performin...

Страница 22: ...8 inches per microsecond If the 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 mo...

Страница 23: ...the ZX 6 DL has a one or two point calibration 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...

Страница 24: ...o scroll to the known thickness 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 rou...

Страница 25: ...any reference standard as the probe zero 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 p...

Страница 26: ...and returns to the measurement screen Note The internal zero of the ZX 6 is now set The procedure above can be used to set the internal zero of the ZX 6 to use any reference standard as the probe zer...

Страница 27: ...ble settings available It s important to note that these velocities will not always be an exact representation of the material being tested Use these values only if a close approximation is acceptable...

Страница 28: ...to pressing the key will abort to the measurement screen without saving any changes 6 If USR1 or USR2 were selected the velocity edit screen will be displayed and edit icon illuminated and flashing 7...

Страница 29: ...n mode for coated material and corrosion inspection Finally this mode will only work for typical epoxy based coatings 6 2 Multi Mode Transducers The multi echo measurement technique does have restrict...

Страница 30: ...calibration has been performed prior to this procedure 1 Press the key to toggle between the measurement modes pulse echo P E and echo echo E E at any time Note An icon will be illuminated in the top...

Страница 31: ...ch part and batch within a specified tolerance Using this feature will require calibration on a known thickness that will remain consistent at a specific location on a group of parts The test will alw...

Страница 32: ...ure 1 Physically measure an exact sample of the material or a location directly on the material to be measured using a set of calipers or a digital micrometer 2 Apply a drop of couplant on the transdu...

Страница 33: ...value that was used to calibrate will be displayed in the top right corner of the display for confirmation 7 3 Calibration to a known velocity The velocity can also be directly edited and set to a tar...

Страница 34: ...s value The edit icon will be illuminated and flashing 3 Use the keys to scroll to the known velocity value Note Pressing the key prior to pressing the key will abort the cal routine without saving an...

Страница 35: ...ings When The low settings may be necessary for noisy or granular cast materials How do I know when to lower the gain If the reading becomes sporadic and won t settle down or resolve on a thickness va...

Страница 36: ...5 Press the key to set the gain and return to the measurement screen Note Pressing the key prior to pressing the key will abort to the measurement screen without saving changes 8 2 High Speed Scan The...

Страница 37: ...o set the status and return to the measurement screen 8 3 Alarm The Alarm feature of the ZX 6 DL provides a method of setting tolerances or limits for a particular application requirement This feature...

Страница 38: ...limit value 7 When the target LO limit is displayed press the key to set the value and advance to setting HI limit option 8 Use the keys to scroll the HI limit value to the target value Note Pressing...

Страница 39: ...4 Use the keys to toggle differential on off 5 When the desired DIFF setting is displayed press the key to set the status and edit the NOMINAL value 6 Use the keys to scroll the NOMINAL value to the t...

Страница 40: ...y 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 screen...

Страница 41: ...etting is displayed press the key to set the status and edit the BRT brightness option 6 Use the keys to scroll through the BRT LO MED HI options 7 When the desired BRT setting is displayed press the...

Страница 42: ...the desired BEEP setting is displayed press the key to set the status and return to the measurement screen 8 8 Zero There are two transducer zeroing options available in the ZX 6 DL auto and manual Th...

Страница 43: ...imary measurement quantity instead of dimensional thickness The feature is generally used for basic nodularity testing as velocity is a key part of density for determining hardness An example might be...

Страница 44: ...0 Probe Diameter Frequency The PROB feature was added to improve linearity when using a specific probe diameter and frequency The default standard setting is 25 5 0 250 5MHz Hi Damped and works reason...

Страница 45: ...ges 5 When the desired PROB setting is displayed press the key to select the probe type and return to the measurement screen 8 11 Lock The lock feature was built into the ZX 6 DL for the purpose of lo...

Страница 46: ...ed if the gauge is not functioning 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 6...

Страница 47: ...Thickness Gauge 43 5 Press the key to edit the reset 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 sett...

Страница 48: ...b drive Open the external gauge drive and copy the files to and from the gauge and PC The file format is csv comma separated and can be opened using any text editor spreadsheet editor or Dakota s prop...

Страница 49: ...The following procedure outlines this process Storing Data 1 Use the keys to scroll to the desired location to store a measurement 2 Press the key to store a measurement and advance to the next locat...

Страница 50: ...learing a File If a file contains a large number of previously stored measurements and has already been downloaded the file will need to be cleared of its measurements The following procedure outlines...

Страница 51: ...ng the file 8 Press the key to confirm Yes No selection and return to the measurement screen Note If Yes was selected a BUSY message will briefly be displayed confirming the file is being cleared 9 5...

Страница 52: ...he key for NO The edit icon will be illuminated and flashing Note Pressing the key prior to pressing the key will abort to the measurement screen without clearing the files 5 Press the key to confirm...

Страница 53: ...lly in the directory they are hidden until they contain data The ZX 6 DL has a maximum of 40 total files with 250 sequential readings per file 10 2 Opening a File The data files are stored as a CVS co...

Страница 54: ...are package you d like them opened with by right clicking on a specific file and using the open with option in the menu Spreadsheet Text Editor 10 4 Line Power The ZX 6 DL can be powered using the sta...

Страница 55: ...0 1280 3251 Inconel 0 2290 5817 Iron 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 Nyl...

Страница 56: ...Dakota Ultrasonics 52 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...

Страница 57: ...be observed At temperatures above 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 i...

Страница 58: ...aps or pockets which will cause an early reflection of the ultrasound beam This effect will be noticed as a sudden decrease in thickness in an otherwise regular surface While this may impede accurate...

Страница 59: ...th respect to this product Dakota Ultrasonics specifically disclaims any implied warranties of merchantability or fitness for a particular purpose Some states or provinces do not allow limitations on...

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