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Material

Sound Velocity in/us

Sound Velocity m/s

Aluminum

0.2510

6375

Beryllium

0.5080

12903

Brass

0.1730

4394

Bronze

0.1390

3531

Cadmium

0.1090

2769

Columbium

0.1940

4928

Copper

0.1830

4648

Glass (plate)

0.2270

5766

Glycerine

0.0760

1930

Gold

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

Nylon

0.1060

(approx)

2692

Platinum

0.1560

3962

Plexiglas

0.1060

2692

Polystyrene

0.0920

2337

PVC

0.0940

2388

Quartz glass

0.2260

5740

Rubber vulcanized

0.0910

2311

Silver

0.1420

3607

Steel (1020)

0.2320

5893

Steel (4340)

0.2330

5918

Teflon

0.0540

1372

Tim

0.1310

3327

Titanium

0.2400

6096

Tungsten

0.2040

5182

Uranium

0.1130

3378

Water

0.0580

1473

Zinc

0.1660

4216

Zirconium

0.1830

4648

11.0 APPENDIX A – SOUND VELOCITY TABLE1

Содержание TI-007DLX

Страница 1: ...MODEL TI 007DLX ULTRASONIC THICKNESS GAUGE Operating Manual ...

Страница 2: ...3 2 Suitability of materials 3 3 Range of measurement and accuracy 3 4 Couplant 3 5 Temperature 3 6 Measurement modes 4 0 Selecting the measurement mode 14 4 1 Which Mode and Transducer do I use for my applications 5 0 Making measurements 16 5 1 Probe Zero 5 2 Material Calibration 6 0 Through Pain Measurement 22 6 1 Introduction 6 2 Multimode Transducers 7 0 Velocity Gauge 23 6 1 Velocity Gauge VX...

Страница 3: ... Introduction 9 2 Opening a Data File 9 3 Storing a Measurement 9 4 Clearing a File 9 5 Clear All Files 10 0 Dsta Transfer Power Options 37 10 1 Connectivity 10 2 Opening a File 10 3 Copying Opening Files 10 4 Line Power 11 0 Appendix A Velocity Table 39 12 0 Appendix B Application Notes 40 13 0 Warranty 42 ...

Страница 4: ...itional methods is that ultrasonic measurements can be performed with access to only one side of the material being measured 1 1 Disclaimer While the TI 007DLX is a basic digital instrument it is equipped with a number of measurement modes and transducer options for additional versatility It is strongly recommended that the contents of this manual be read in its entirety to avoid erroneous measure...

Страница 5: ...he PRB 0 key is used to zero the TI 007DLX in much the same way that a mechanical micrometer is zeroed If the gauge is not zeroed correctly all of the measurements that the gauge makes may be in error by some fixed value Refer to section 5 1 for a further explanation of this important feature 2 3 CAL Key The CAL key is used to enter and exit the TI 007DLX s calibration mode This mode is used to ad...

Страница 6: ... a delay line transducer dLY is selected from the PROB menu option echo echo E E and interface echo I E modes will be toggled If a contact transducer Con is selected pulse echo P E and echo echo E E modes will be toggled Finally if the plastic transducer PLAS option is selected the thickness options thin thin and thick thK will be toggled The measurement modes and transducer styles offer the flexi...

Страница 7: ...aphic icons as well as both 7 and 14 segment display areas Let s take a closer look and what all these things are telling us A Edit This icon will be displayed and blinking to let a user know when they are in an edit mode to change a value or setting B Large 7 segment The thickness measurement velocity or alpha message will be displayed in this area Menu Feature Items Gain Multi Scan Alarm Diff Un...

Страница 8: ...etting of the TI 007DLX DL In P E mode the options are VLOW LOW MED HIGH VHI and LOW MED HIGH with modes E E I E and PLAS MED is the default setting J Units This combination of icons are illuminated in different sequences to inform the user what measurement units are currently being displayed in the large 7 segment area The plus minus icon is illuminated when the DIFF differential feature is activ...

Страница 9: ...astened to the transducer with a retaining ring A drop of couplant is applied between the delay line and transducer body Refer to the diagram above The couplant should be checked on a regular basis to keep it from drying out To replenish unscrew the retaining ring counterclockwise separate the delay line from the body clean both surfaces apply a drop of couplant and reassemble Delay Line Graphite ...

Страница 10: ... sufficient After applying couplant press the transducer wear face down firmly against the area to be measured The Stability Indicator should have six or seven bars darkened and a number should appear in the display If the TI 007DLX has been properly zeroed see page 16 and set to the correct sound velocity see page 17 the number in the display will indicate the actual thickness of the material dir...

Страница 11: ...ls When performing a manual probe zero function simply place the transducer on disk making firm contact Important Be sure the battery polarity is correct which can be found on the back label of the TI 007DLX NOTE Rechargeable batteries can be used however they must be recharged outside of the unit in a standalone battery charger USB C Connector Refer to Diagram The USB C connector located on the b...

Страница 12: ...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 Range of measurement and accuracy The overall measurement capabilities based on the wide variety of materials is determined by the consistency of the material being measured The range of thickness that can ...

Страница 13: ... for using specific modes Pulse Echo P E Mode Pulse echo mode measures from the initial pulse sometimes referred to as an artificial zero to the first echo reflection In this mode a manual zero using the disk battery cover will need to be performed prior to calibrating the TI 007DLX The transducer is placed on the reference disk located on top of the TI 007DLX and the PRB 0 key pressed to establis...

Страница 14: ...ately 0 060 up to 1 00 rated in steel and offers temperature compensation for the heating and cooling of the transducer itself Plastics PLAS Mode The plastics mode is a special setup for measuring thin plastics using a modified interface echo mode When the standard acrylic delay tip is similar in velocity to the plastic material measured a return echo is not possible Simply replacing the acrylic t...

Страница 15: ...th applications where the material will be coated with some type of protective paint or other epoxy based material Since the velocity of the coating is approximately 3 times slower than that of steel pulse echo mode will produce an error if not removed However echo echo mode can be used with either delay line or contact style transducers to eliminate the error from the coating and measure only the...

Страница 16: ...high frequency delay line variations in the transducer transducer in either echo echo or interface echo modes If using a contact style transducer a high frequency option should be considered Restricted access Measuring materials with extreme curvatures or restricted access are best suited for higher frequencies and smaller diameter transducers or tip options ...

Страница 17: ... if a contact style transducer is used in pulse echo mode and the contact option is enabled in the menu A probe zero should be done prior to calibrating the instrument and done on a periodic basis when a temperature gradient is an issue If the TI 007DLX is not zeroed correctly all measurements will be in error by some fixed value In order to perform a probe zero you must be in pulseecho mode Setti...

Страница 18: ...ial velocity is known it can be manually entered into the TI 00 rather than have the TI 007DLX calculate the velocity value using a known thickness of the same material type The steps for entering the velocity are outlined below 1 With the transducer free from contact with the material press the key to display the current velocity 2 Use the and keys to scroll the velocity to the known target value...

Страница 19: ...current measurement value 4 Use the and keys to 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 routine without saving any changes 5 Once the known thickness value is being displayed press the key to display the calculated material velocity edit screen ...

Страница 20: ...ample or location on the test piece should be used as close to the minimum and maximum thickness of the test range to minimize error and improve linearity 2 Apply a drop of couplant on the transducer and place the transducer in steady contact with either the minimum or maximum sample or actual test material Be sure that the reading is stable and the repeatability indicator in the top left corner o...

Страница 21: ...ut the general type of material is known selecting a basic material type from the common material MATL list in the TI 007DLX would offer a reasonable 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 the material being tested Use these values only if a clo...

Страница 22: ...es 6 If USR1 or USR2 were selected the velocity edit screen would be displayed and the edit conm illuminated and flashing 7 Use the and keys to the desired material velocity NOTE The longer these keys are held the faster the velocity value is incremented 8 When the desired velocity setting is displayed press the key to set thematerial velocity and return to the measurement screen NOTE Pressing the...

Страница 23: ...ccessfully The key requirement is that the transducers are highly damped which refers to the duration of how long the transducer rings In order to improve the low end measurement range ability to measure thin materials the cycles of ring down must be limited so they don t interfere with the internal gating Since the TI 007DLX is a basic easy to operate gauge without the adjustability you d get usi...

Страница 24: ...n a group of parts The test will always be performed at the same location for all parts in the group The velocity will be determined and either accepted or rejected depending on the specified tolerances The procedure for enabling this feature is outlined below 1 Press the key to access the menu items features 2 Use the and keys to scroll through the items features until the VX feature is being dis...

Страница 25: ...d keys to 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 to the measurement screen without saving changes 6 Once the known thickness value is being displayed press the key to return to the measurement screen and display the calculated material velocity NOTE Th...

Страница 26: ...dit icon will be illuminated and flashing 3 Use the and keys to scroll to the known velocity value NOTE Pressing the key prior to pressing the key will abort to the measurement screen without saving changes 4 Once the known velocity value is being displayed press the key to display the calculated thickness based on known velocity 5 Press the key to return to the measurement screen and begin making...

Страница 27: ...ain settings 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 value because the material is either very noisy or granular Setting the gain to a lower less sensitive level would potentially offer improved stability How do I know when to increase the gain Wh...

Страница 28: ...epresentation of thickness over the area or region scanned The procedure to use the scan feature is outlined below 1 Press the key to access the menu items features 2 Use the and keys to scroll through the menu items until the SCAN feature is being displayed 3 Press the key to edit the scan setting The edit icon will be illuminated and flashing 4 Use the and keys to toggle scan on and off NOTE Pre...

Страница 29: ...to the target value Note Pressing the key prior to pressing the key will abort to the measurement screen without saving changes to the LO 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 and keys to scroll the HI limit value to the target value Note Pressing the key prior to pressing the key will abort to the measur...

Страница 30: ...rement screen without saving changes 7 When the target value is displayed press the key to set the value and return to the measurement screen 8 5 Units The TI 007DLX will operate in both English inches or Metric millimeters units In either option the resolution RES can be set to LOW 001in 01mm or HIGH 0001in 001mm The procedure to select the units is outlined as below 1 Press the key to access the...

Страница 31: ... is being displayed 3 Press the key to edit the light setting The edit icon will be illuminated and flashing 4 Use the and keys to toggle status on off auto Note Pressing the key prior to pressing the key will abort to the measurement screen without saving changes 5 When the desired LITE setting is displayed press the key to set the status and edit the BRT brightness option 6 Use the and keys to s...

Страница 32: ... LINE and plastics PLAS The corresponding option must be selected to match the type of transducer connected to the TI 007DLX DL in order for the gauge to operate correctly The procedure to select the probe type is outlined below 1 Press the key to access the menu items features 2 Use the and keys to scroll through the items features until the PROB feature is being displayed 3 Press the key to edit...

Страница 33: ...below 1 Press the key to access the menu items features 2 Use the and keys to scroll through the items features until the VX feature isbeing displayed 3 Press the key to edit the setting The edit icon will be illuminated and flashing 4 Use the and keys to select the on off option Note Pressing the key prior to pressing the key will abort to the measurement screen without saving changes 5 When the ...

Страница 34: ...re the original gauge settings This should only be used 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 1 With the TI 007DLX powered off press and hold down the and keys while powering the TI 007DLX on NOTE Once the measurement screen is displayed the keys can be released ...

Страница 35: ...ed with the gauges Only files with at least one measurement stored in the file will appear in the external drive folder 9 2 Open A Data File The following procedure outlines this procedure 1 Press the key to access the data files and display the current file open 2 Press the key to edit which file to open The edit icon will be illuminated and flashing 3 Use the and keys to scroll through the files...

Страница 36: ...rom the location Pressing the key will now store the new measurement 9 4 Clearing 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 this process 1 Press the key to access the data files and display the current file open 2 Press the key to edit which file wi...

Страница 37: ...ion The following procedure outlines this process 1 Press the key to access the data files and display the current file open 2 Use the and keys to scroll to the CLR ALL option 3 Press the key to display the confirmation screen CLR ALL is displayed as well as a flashing Yes No option 4 Press the key for YES and the key for NO The edit icon will be illuminated and flashing NOTE Pressing the key prio...

Страница 38: ... are physically in the directory they are hidden until they contain data The TI 007DLX 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 comma separated text file which is a very basic generic text file structure It can be conveniently opened using any standard text editor spreadsheet or database program The data can easily...

Страница 39: ...software package you d like them opened with by right clicking on a specific file and using the open with option in the menu 10 4 Line Power The PZX 7 DL can be powered using the standard USB C to USB A data cable N 003 0330 by connecting directly to a USB port on your computer or using a standard cell phone power adapter directly to an outlet This is a convenient way to power the gauge for specif...

Страница 40: ... 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 1560 3962 Plexiglas 0 1060 2692 Polystyrene 0 0920 2337 PVC 0 0940 2388 Quartz glass 0 2260 5740 Rubber vulcanized 0 0910 2311 Silver 0 1420 3607 Steel 1020 0 2320 5893 Steel 4340 0 2330 5918 Teflon 0 0540 1372 Tim 0 1310 3327 Titanium 0 2400 6096 Tun...

Страница 41: ...ound 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 perform calibration on a sample piece of known thickness which is at or near the temperature of the material to be measured This will allow the TI 007DLX to correctly calculate the velocity of sound through the hot material Expans...

Страница 42: ...easuring 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 decrease in thickness in an otherwise regular surface While this may impede accurate measurement of total material thickness it does provide the user with positive indication of air gaps in the laminate Measuring through paint coatings Mea...

Страница 43: ...RE RESULTING FROM THE USE OF SUPPLIED EQUIPMENT WHETHER SUCH DAMAGE OCCURS OR IS DISCOVERED BEFORE UPON OR AFTER REPLACEMENT OR REPAIR AND WHETHER OR NOT SUCH DAMAGE IS CAUSED BY MANUFACTURER S OR SUPPLIER S NEGLIGENCE WITHIN ONE YEAR FROM INVOICE DATE Some State jurisdictions or States do not allow the exclusion or limitation of incidental or consequential damages so the above limitation may not ...

Страница 44: ... 43 NOTES ...

Страница 45: ... 44 NOTES ...

Страница 46: ......

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