Checkline TI-25LTX Скачать руководство пользователя страница 1 | Manualshive

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Checkline TI-25LTX Скачать руководство пользователя страница 1

MODEL TI-25LTX

ULTRASONIC THICKNESS GAUGE

Operating Manual

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Содержание TI-25LTX

Страница 1: ...MODEL TI 25LTX ULTRASONIC THICKNESS GAUGE Operating Manual ...

Страница 2: ...trasonic Measurement 8 3 1 Time versus thickness relationship 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 11 4 1 Which Mode and Transducer do I use for my applications 5 0 Making measurements 12 5 1 Probe Zero 6 0 Additional features 14 6 1 Unit 6 2 Light 6 3 Lock 7 0 Appendix A Velocity Ta...

Страница 3: ...ced points to obtain a profile of the thickness readings The smallest thickness reading will locate the area of greatest concern TI 25LTX is capable of measuring the thickness of various materials with accuracy as high as 0 004 inches or 0 1 millimeters The principle advantage of ultrasonic measurement over traditional methods is that ultrasonic measurements can be performed with access to only on...

Страница 4: ...R 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 saved prior to powering off 2 2 PRB 0 Key The PRB 0 key is used to zero the TI 25LTX in much the same way that a mechanical micrometer is zeroed If the gauge is not zeroed correctly all of the measurements th...

Страница 5: ... TI 25LTX uses a custom glass LCD backlit low temperature display for use in a variety of climate conditions It contains graphic 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 NOTE This display is used for multiple gauge models in the TI series As a result some of the icons and segments that are illuminated during boot up may ...

Страница 6: ...ment area I 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 J Small 14 Segment The material type is displayed in this area If it is set to a value of one of the materials in our material list it will be displayed in alpha characters indicating the material type Otherwise it wi...

Страница 7: ...he material being measured Measuring In order for the transducer to do its job there must be no air gaps between the wear face and the surface of the material 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 material and back again Before attempting to make a...

Страница 8: ...Transducer Connectors Refer to Diagram The transducer connectors and battery cover probe zero disk are located on the TI 25LTX s top end cap The transducer connectors are of type Lemo 00 NOTE There is no polarity associated with connecting the transducer to the TI 25LTX it can be plugged into the gauge in either direction Probe Zero Disk Battery Cover Refer to Diagram The Battery cover is the larg...

Страница 9: ...easurement 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 b...

Страница 10: ... to changes in the temperature of the transducer However multi echo techniques offer temperature compensation help to minimize these errors 3 6 Measurement Modes This section will cover the different measurements modes of the TI 25LTX the transducers required and the reasons for using specific modes Pulse Echo P E Mode Pulse echo mode measures from the initial pulse sometimes referred to as an art...

Страница 11: ...measurements Dual element delay line transducers are have a usable range of 0 025 and up depending on the material frequency 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 linear Therefore a correction table in the instruments software is used to compensa...

Страница 12: ... frequencies available from Electromatic Thru Paint Coatings Often times users will be faced with applications where the material will be coated with paint or some other type of epoxy material Since the velocity of the coating is approximately 3 times slower than that of steel pulse echo mode will result in an error if the coating or paint is not completely removed Thin materials Pulse echo mode a...

Страница 13: ...of this manual Refer to the section below on Material Calibration for instructions on manually adjusting the velocity using a reference point s standard s 5 1 Probe zero Setting the zero point of the TI 25LTX is important for the same reason that setting the zero on a mechanical micrometer is important It must be done prior to calibration and should be done throughout the day to account for any te...

Страница 14: ...ressing the key will abort to the measurement screen without saving changes 3 When the desired LITE setting is displayed press the key to set the status and edit the BRT brightness option 4 Use the and keys to scroll through the BRT LO MED HI options 5 When the desired BRT setting is displayed press the key to set the brightness and return to the measurement screen 6 3 Lock The lock feature was bu...

Страница 15: ...e is outlined below 1 With the TI 25LTX powered off press and hold down the key while powering the TI 25LTX on The lock icon will be illuminated on the display 2 To unlock the TI 25LTX repeat step one but hold down the key while powering the TI 25LTX on ...

Страница 16: ...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 Tu...

Страница 17: ...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 25LTX to correctly calculate the velocity of sound through the hot material Expansi...

Страница 18: ...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 19: ...E 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 a...

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