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Bms Bulut Makina MX-3, Operational Manual

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MX-3 

  

ULTRASONIC THICKNESS METERS 

 
 

 

 

 

 

OPERATIONAL MANUAL 

Bms Bulut Makina Sanayi Ve Ticaret  Ltd. 

Ş

ti. 

İ

kitelli Organize Sanayi Bölgesi Dolapdere Sanayi Sitesi  

Ada  4 No : 7-9 

İ

kitelli / 

İ

STANBUL-TÜRK

İ

YE

 

Phone : +90 212 671 02 24 / 671 02  25 Fax : +90 212 671 02 26 

web : 

www.bulutmak.com

   e-mail : 

[email protected]

  

 
 
 
 

Summary of Contents for MX-3

Page 1: ... MANUAL Bms Bulut Makina Sanayi Ve Ticaret Ltd Şti İkitelli Organize Sanayi Bölgesi Dolapdere Sanayi Sitesi Ada 4 No 7 9 İkitelli İSTANBUL TÜRKİYE Phone 90 212 671 02 24 671 02 25 Fax 90 212 671 02 26 web www bulutmak com e mail bms bulutmak com ...

Page 2: ... Thickness 7 Calibration To A Known Velocity 8 Two Point Calibration 8 Scan Mode 8 Transducer Selection 9 Initial Signal Strength 9 Absorption And Scattering 9 Geometry Of The Transducer 9 Temperature Of The Material 9 Technical Data 10 Application Notes 10 Measuring Pipe And Tubing 10 Measuring Hot Surfaces 10 Measuring Laminated Materials 11 Battery Exchange 11 Sound Velocity Table 12 For Differ...

Page 3: ...play The functions of the various keys on the keypad are detailed below followed by an explanation of the display and its various symbols The Keypad PRB 0 CAL IN MM ON OFF This key is used to turn the MX 3 on and off When the tool is turned ON it will first perform a brief display test by illuminating all of the segments in the display After one second the tool will display the internal software v...

Page 4: ...eat function is built in so that when the key is held down numeric values will decrement at an increasing rate 2 When the MX 3 is not in calibration mode this key switches the display back light between three available settings OFF will be displayed when the backlight is switched off AUTO will be displayed when the backlight is set to automatic mode and ON will be displayed when the backlight is s...

Page 5: ...ial connectors The orientation of the dual coax ial connectors is not critical either plug may be fitted to either socket in the MX 3 The transducer must be used correctly in order for the MX 3 to produce accurate reliable measurements Below is a short description of the transducer followed by instructions for its use This is a bottom view of a typical transducer The two semicircles of the wearfac...

Page 6: ...t scenario the shape and roughness of the test surface are of paramount importance Rough uneven surfaces may limit the penetration of ultrasound through the material and result in unstable and therefore unreliable measurements The surface being measured should be clean and free of any small particulate matter rust or scale The presence of such obstructions will prevent the transducer from seating ...

Page 7: ...sound velocities For example the velocity of sound through steel is about 5 920 m sec versus that of aluminium which is about 6 300 m sec If the tool is not set to the correct sound velocity all of the measurements the tool makes will be erroneous by some fixed percentage The one point calibration is the simplest and most commonly used calibration procedure optimizing linearity over large ranges T...

Page 8: ...ess the transducer against the sample piece at the first second calibration point making sure that the transducer sits flat against the surface of the sample The dis play should show some probably incorrect thickness value and the Stability Indicator should have nearly all its bars on 5 Having achieved a stable reading remove the transducer If the displayed thickness changes from the value shown w...

Page 9: ...an a small emitting area Thus a so called 12 7 mm transducer will emit a stronger signal than a 6 35 mm transducer Absorption And Scattering As ultrasound travels through any material it is partly absorbed If the material through which it travels has any grain structure the sound waves will also experience scattering Both of these effects reduce the strength of the waves and thus the MX 3 s abilit...

Page 10: ...m measurement should be made with the transducer oriented so that the gap in the wearface is perpendicular at right angle to the long axis of the pipe For smaller pipe diameters two measurements should be performed one with the wearfa ce gap perpendicular another with the gap parallel to the long axis of the pipe The smal ler of the two displayed values should then be taken as the thickness at tha...

Page 11: ...one piece to another Some laminated materials may even exhibit no ticeable changes in sound velocity across a single surface The only way to reliably measure such materials is by performing a calibration procedure on a sample piece of known thickness Ideally this sample material should be a part of the same piece being measured or at least from the same lamination batch By calibrating to each test...

Page 12: ...rcelain 5 842 Gold 3 251 Rubber 1 900 2 300 Lead 2 159 Silver 3 607 Magnesium 5 791 Steel 5 918 6096 Manganese 4 700 Teflon 1 422 Molybdenum 6 300 Tin 3 300 Monel 5 400 Titanium 6 096 Nickel 5 639 Tungsten 5 334 Nylon 2 591 Zinc 4 216 The information is supplied for the convenience of the user and the manufacturer assumes no responsibility for inaccuracies The actual velocity of the above material...

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