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Mul-ti Mode

Ultrasonic Thickness

Gauge
MT600

User’s Manual

MITECH CO., LTD.

www.mitech-ndt.com

www.ponpe.com

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Summary of Contents for MT600

Page 1: ...Mul ti Mode Ultrasonic Thickness Gauge MT600 User s Manual MITECH CO LTD www mitech ndt com www ponpe com ...

Page 2: ...tandby Settings 10 5 Operations 11 5 1 Setting the Work Mode 11 5 2 Probe Selection 11 5 3 Perform Probe Zero 11 5 4 Sound Velocity Calibration 12 5 5 Making Measurements 14 5 6 View Mode Setting 15 5 7 Nominal Thickness Setting 15 5 8 Limit Setting 16 5 9 Changing Resolution 16 5 10 Memory Management 16 5 11 Key Sound Setting 18 5 12 Warn Sound Setting 18 5 13 LCD Brightness Setting 18 5 14 Displ...

Page 3: ...ing Technologies 21 6 1 Measuring Method 21 6 2 Wall Measurement 21 7 Servicing 22 8 Transport and Storage 22 Appendix A Sound Velocities 23 Appendix B Applications Notes 24 User Notes 26 sale ponpe com ponpe com ...

Page 4: ...r With internal Bluetooth module it can print test report wirelessly USB 2 0 communication port Online transfer of the measured data to PC via USB 1 2 Measuring Principle The ultrasonic thickness gauge determines the thickness of a part or structure by accurately measuring the time required for a short ultrasonic pulse generated by a transducer to travel through the thickness of the material refle...

Page 5: ...easuring Range Lower limit Description N02 2 5 14 3 0mm 300 0mm In Steel 40mm in Gray Cast Iron HT200 20mm for thick highly attenuating or highly scattering materials N05 5 10 1mm 600 0mm In Steel Φ20mm 3 0mm Normal Measurement N05 90 5 10 1mm 600 0mm In Steel Φ20mm 3 0mm Normal Measurement N07 7 6 0 65mm 200 0mm In Steel Φ15mm 2 0mm For thin pipe wall or small curvature pipe wall measurement HT5 ...

Page 6: ...5 5MHz 12 Data Pro Software 1 13 USB Cable 1 14 Portable Bluetooth thermal printer 1 Including charger manual and other parts 1 6 Operating Conditions Operating Temperature 0 50 Storage Temperature 20 70 Relative Humidity 80 The surrounding environment should avoid of vibration strong magnetic field corrosive medium and heavy dust 2 Structure Feature 1 The Main Body 2 Probe zero disc 3 Keypad 4 TF...

Page 7: ...ate the coupling status Nominal thickness the nominal thickness of the test piece 2 2 Keypad Definitions The instrument is designed to give the user quick access to all of the instrument s functions Its easy to use menu system allows any function to be accessed with several key presses Function keys to select accordingly the function on the screen In the following sections of this manual they are ...

Page 8: ...gh any material it is partly absorbed If the material through which the sound travels has any grain structure the sound waves will experience scattering Both of these effects reduce the strength of the waves and thus the gauge s ability to detect the returning echo Higher frequency ultrasound is absorbed and scattered more than ultrasound of a lower frequency While it may seem that using a lower f...

Page 9: ...f Surfaces In any ultrasonic measurement 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 wi...

Page 10: ...nt appears as right figure Press F1 key to change to a different language Press F3 key to skip the booting check process and enter the measure mode immediately The instrument carries out a self check and then switches over to the measure mode automatically if there is no key operation The instrument is now ready for the first measurement The instrument will automatically reload last settings It ha...

Page 11: ...sing a special Echo Echo mode to perform measurements for applications such as this The gauge gives you this feature in a simple way eliminating the need to remove the paint or coating To switch between P E mode and E E mode press in the Test Settings dialog 5 2 Probe Selection Be sure to set the right probe model to the instrument Otherwise there will be erroneous In the Probe Model dialog Use th...

Page 12: ... the gauge to make accurate measurements it must be set to the correct sound velocity for the material being measured Different types of material have different inherent sound velocities If the gauge is not set to the correct sound velocity all of the measurements the gauge makes will be erroneous by some fixed percentage The One Point calibration is the simplest and most commonly used calibration...

Page 13: ...t is now displaying the sound velocity value it has calculated based on the thickness value that was input 9 The gauge is now ready to perform measurements 5 4 3 Two Point Calibration Note This procedure requires that the operator has two known thickness points on the test piece that are representative of the range to be measured 1 Perform a Probe Zero on the standard disc 2 Apply couplant to the ...

Page 14: ...rectly beneath the transducer If the coupling status indicator does not appear not stable or the numbers on the display seem erratic firstly check to make sure that there is an adequate film of couplant beneath the transducer and that the transducer is seated flat against the material If the condition persists it may be necessary to select a different transducer size or frequency for the material ...

Page 15: ...rable to examine a larger region searching for the thinnest point The gauge includes a feature called Scan Mode which allows it to do just that In normal mode the gauge performs and displays ten measurements every second which is quite adequate for single measurements In Scan Mode however the gauge performs over ten measurements every second and displays the readings while scanning While the trans...

Page 16: ...ng Resolution The gauge has selectable display resolution which is 0 1mm and 0 01mm When the resolution is set to 0 01mm the tested piece surface should be smooth to get accurate test result When measuring rough surface or coarse grained materials it is suggested to use low resolution 5 10 Memory Management 5 10 1 Store a Record By simply pressing the key after a new measurement reading appears th...

Page 17: ...a group Press F2 to prompt out the commands list Then select the command Set and press to confirm After finished the above steps the new selected data group will be set as current data group to store the new coming testing results 5 10 4 Clear Selected Group The user may require the contents of an entire data group be completely cleared of all measurements This would allow the user to start a new ...

Page 18: ... less current in lower brightness and consequently increases the operating time Note For saving power lower down the LCD brightness in good light environment 5 14 Display Standby Setting Standby state lower down the LCD brightness and puts the CPU in a power conserving mode The change from run state to standby state is controlled by the setting of the Display standby delay See right figure of Disp...

Page 19: ...em time dialog to set date and time of the instrument system The format for date Year Month Date The format for time Hour Minute Second Use F1 and F2 keys to move the cursor Use arrow keys to increase decrease the values Press F3 key to confirm the setting Press key to cancel the setting change and close the dialog box Once set the internal clock of the instrument will maintain the current date an...

Page 20: ...esetting the instrument may not be reversed No key action should be performed during resetting process 5 21 Print via Bluetooth The instrument has Bluetooth function module It can be connected to a portable Bluetooth thermal mini printer for wireless printing Operating steps to set up the bluetooth connection are as follows 1 Start up the Bluetooth mini printer 2 Set the Bluetooth role of the inst...

Page 21: ...nto word processing files and spreadsheets for further reporting needs New features include live screen capture mode and database tracking Detailed information of the communication software and its usage refer to the software manual 6 Measuring Technologies 6 1 Measuring Method Single point measuring method Put the probe to any point in the workpiece the instrument will show the probe located plac...

Page 22: ...lease do not dismantle or adjust any fixedly assembled parts Fill in and present the warranty card to us The warranty service can be carried on 8 Transport and Storage Keep it away from vibration strong magnetic field corrosive medium dumpiness and dust Storage in ordinary temperature With original packing transport is allowed on the third grade highway sale ponpe com ...

Page 23: ...t Iron 0 173 0 229 4400 5820 Lead 0 094 2400 Nylon 0 105 2680 Silver 0 142 3607 Gold 0 128 3251 Zinc 0 164 4170 Titanium 0 236 5990 Tin 0 117 2960 Epoxy resin 0 100 2540 Ice 0 157 3988 Nickel 0 222 5639 Plexiglass 0 106 2692 Polystyrene 0 092 2337 Porcelain 0 230 5842 PVC 0 094 2388 Quartz glass 0 222 5639 Rubber vulcanized 0 091 2311 Teflon 0 056 1422 Water 0 058 1473 sale ponpe com ponpe com ...

Page 24: ...When performing measurements on hot surfaces it may also be necessary to use a specially constructed high temperature transducer These transducers are built using materials which can withstand high temperatures Even so it is recommended that the probe be left in contact with the surface for as short a time as needed to acquire a stable measurement While the transducer is in contact with a hot surf...

Page 25: ...lt include some cast materials concrete wood fiberglass and some rubber Couplants All ultrasonic applications require some medium to couple the sound from the transducer to the test piece Typically a high viscosity liquid is used as the medium The sound used in ultrasonic thickness measurement does not travel through air efficiently A wide variety of couplant materials may be used in ultrasonic ga...

Page 26: ...o repair sheet In accordance with the international relevant regulations the following are not within the scope of free warranty Damage caused by man made or improper keeping Self dismantle or non special repair shop dismantle Do not follow the requirement of service registration or warranty expired Consumable parts Service promise MITECH users have lifelong maintenance service Free maintenance in...

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