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ElektroPhysik MiniTest 430, Technical Reference And Operating Manual

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ElektroPhysik MiniTest 430 Technical Reference And Operating Manual Download Page 6

Complete set 

E-2                                                                                                                                      ElektroPhysik   

3 Measuring principle 

The  ultrasonic  wave  emitted  from  the  probe  transmitted  through  the 

coupling  agents  and  reach  the  measured  work-piece.  One  part  of  then  is 

reflected  on  the  work-piece  surface  and  the  probe  receive  the  reflected 

echo.  By  accurately  measuring  the  ultrasonic  travel  time,  the  thickness 

will be getting and displayed. 

4 Complete set, spare parts and contents 

【

4.1

】

Complete set 

 

①

 

Screen   

②

 

Keypad           

③

 

Battery compartment (back cover ) 

④

 

Nameplate(back cover )     

⑤

 

Probe socket (identify pin) 

⑥

 

USB interface   

1 

2 

3 

6 

4 

5 

Summary of Contents for MiniTest 430

Page 1: ...MiniTest 430 Technical Reference and Operating Manual Advancing with Technology ElektroPhysik VERSION 3 03 ...

Page 2: ...rophysik com Disclaimer Inherent in ultrasonic thickness measurement is the possibility that the instrument will use the second rather than the first echo from the back surface of the material being measured This may result in a thickness reading that is TWICE what it should be Responsibility for proper use of the instrument and recognition of this phenomenon rests solely with the user of the inst...

Page 3: ... 5 3 Treatment of the measured surface E 7 6 Function operation E 7 6 1 Switch on E 7 6 2 Measurement E 8 6 3 Calibration E 8 6 4 Menu display and operations E 9 6 4 1 Measuring mode E 10 6 4 2 Sound velocity of the instrument E 12 6 4 3 Database E 11 6 4 4 Measurement Unit E 12 6 4 5 Gain setting E 13 6 4 6 Switch off mode E 13 6 4 7 Contrast E 14 6 4 8 Language E 14 6 4 9 Gauge data E 14 6 4 10 ...

Page 4: ... 2 Pipeline measurement method E 16 8 Maintenance and precautions E 16 8 1 Power check E 16 8 2 Precautions E 17 8 2 1 General precautions E 17 8 2 2 Precaution during the measuring E 17 9 Standard delivery E 18 Appendix E 19 ...

Page 5: ...igital Measuring range 0 65mm 500 0mm Steel Display accuracy 0 1mm When the measured value is bigger than 100mm 0 01mm When the measured value is less than 100mm Accuracy 0 65mm 9 99mm 0 04mm 10 00mm 99 99mm 0 1 H 0 04 mm 100 0mm 500 0mm 0 3 H Sound velocity 1000m s 9999m s Data storage 10 files including 5000 data Measurement frequency 2 times sec in normal mode 10 times sec in scan mode Zero cal...

Page 6: ...ce One part of then is reflected on the work piece surface and the probe receive the reflected echo By accurately measuring the ultrasonic travel time the thickness will be getting and displayed 4 Complete set spare parts and contents 4 1 Complete set Screen Keypad Battery compartment back cover Nameplate back cover Probe socket identify pin USB interface 1 2 3 6 4 5 ...

Page 7: ...ups and the storage data in each file group 2 Probe type 3 Full battery Flat battery indicator 4 Measuring mode 5 Measurement icon and measuring unit 6 The current selected gain method of the amplifier 7 The current selected sound velocity 8 The current measured data ...

Page 8: ...y achieve switch among the menu the menu operation Press the up key to switch on or off the backlight In menu operation press OK to confirm and ESC to exit Shortcut key of calibration auto calibration and sound velocity measurement are available Data shortcut key Note For the operation of each function key it will give detailed instruction in the function operation below ...

Page 9: ...5 0MHz 3 0mm 100mm 350 U7 5 7 5MHz 0 65mm 50mm 60 U10 0 10 0MHz 0 65mm 20mm 60 U2 0 2 0MHz 2 0mm 500mm 60 Users can select the suitable probe according to the thickness of the work piece to be measured U5 0 The probe is used common in many measurements for example when the measuring surface is flat or with huge curvature or the thickness of the work piece to be measured is large than 50mm U5HT Mai...

Page 10: ...e measured 3 Take multiple measurements around the same testing point 6 Function operation 6 1 Switch on Select the probe and insert it into the probe socket and then press to switch on the instrument the following screen displays If you did not insert the probe before switching on the instrument the screen will prompt you than Please insert the probe at this moment insert the probe into the socke...

Page 11: ...ng three aspects 1 The probe itself or the temperature variation 2 System error caused by the match of the instrument and the probe 3 Calculation error caused by the sound velocity set in the instrument is different from that of the actual material In order to eliminate the possible error the instrument provides three solutions to resolve it Press key and then press or to select the options 6 3 1 ...

Page 12: ...suring accuracy it can be neglect otherwise it is necessary to get the accurate sound velocity of the work piece to be measured The velocity measurement can be used the usage is as follows 1 Select or preset the sound velocity almost that of the material 2 Select an measured sample whose thickness is nearly the same as the work piece to be measured and measure the actual thickness by other measuri...

Page 13: ...enu ElektroPhysik E 8 6 4 Menu display and operations Press to enter the menu screen and press or to select the options Press OK to go to the selected option item Press ESC to exit and go to measuring status ...

Page 14: ...e thickness measurement of pipeline Note it is not recommended to use this function when measuring cast iron or alloy materials Differential mode display the accurate differential value between the measured value and reference value set by the users suitable for quality check to identifying the qualified products whose thickness is in the admissive error Upper and lower limit setting set the upper...

Page 15: ...Measuring mode E 9 ElektroPhysik ...

Page 16: ...d velocity setting 6 4 2 1 Material selection If the material and its sound velocity is known users can select a sound velocity which is almost that of the standard material The material options give the sound velocity of 9 different materials which can be select by yourself Note the 9 values are just the theriotic values if users want to get accuret measuremnts please refer to the sound velictiy ...

Page 17: ...get more accurate sound velocity 6 4 3 Database The instrument provides 10 file groups storage space 500 group data can be stored in each file group so the total storage space is 5000 groups data In each group data concludes following contents such as the measured data probe type sound velocity and the selected measuring mode In the database users can set or delete any file in the 10 file groups 6...

Page 18: ...de and want to save measured data to the file again the instruments will prompt users to select another file the set file is not available 6 4 3 2 Memory delete When the users confirm to delete the used file this function can be used to manage the files Firstly choose the file you want to delete and select it Note When delete some file all storage measured data in the file will be deleted So users...

Page 19: ...h different status will have different effects on the accurate and stable measuring So for different measured objects and different measuring environment users should adjust the work status of the instrument to meet more measurements For many materials and measuring conditions auto gain adjustment can be used but for some special measurement adjusting the instrument s working status is necessary T...

Page 20: ...atically 2 Without operations in five minutes the instrument will switch off automatically 3 Auto switch off is unavailable Note When select Disable users should switch off the instrument power manually to save power 6 4 7 Contrast There are six contrast levels to meet the measuring requirements 6 4 8 Language There are only two languages can be selected which are Germany and English Other languag...

Page 21: ...nated according to the system error The steps are as follows 1 Adjust the sound velocity at 5920 m s 2 Measure the thickness of the standard delivered test block The measured value should be 4 00mm 0 01mm If the measured value is not that the usage of Probe calibration can eliminate the error 3 Adjust the measured value and make it meets the above requirements 6 4 11 Total reset During the usage w...

Page 22: ...n of transferring the data to PC via USB please refer to the files in the provided CD 6 6 Data storage When the storage file is set users can save the measuring data to the file the detailed procedure is as follows 1 Make sure the measurement is correct 2 Press OK the measuring data will be saved automatically Note The process is available when the measurement icon disappeared 7 Measuring technolo...

Page 23: ... make the probe s crosstalk interlayer plate be perpendicular or parallel to the axial line of the pipeline For a pipeline with larger diameter the probe s crosstalk interlayer plate should be perpendicular to the axial line of the pipeline but for pipeline with small diameter users should perform measurements making the crosstalk being both parallel and perpendicular to the axial line of the pipe...

Page 24: ...Precaution during the measuring 1 During the measurement only the measuring icon appears and displayed stable it can be regarded as a good measurement 2 If there are large quantity coupling agents attached on the measured surface when taking away the probe it will cause error so when the measurement is completed please move the probe away from the measured surface quickly 3 If the probe wears out ...

Page 25: ...andard delivery E 19 ElektroPhysik 9 Standard delivery Main unit 1 set Probe U5 0 1 piece Coupling agent 1 bottle Instrument case 1 piece Certificate 1 piece Instruction manual 1 piece AA battery 2 pieces ...

Page 26: ...ron Carbide 0 430 11000 Brass 0 170 4300 Cadmium 0 110 2800 Copper 0 180 4700 Glass crown 0 210 5300 Glycerin 0 075 1900 Gold 0 130 3200 Ice 0 160 4000 Inconel 0 220 5700 Iron 0 230 5900 Iron cast 0 180 4600 Lead 0 085 2200 Magnesium 0 230 5800 Mercury 0 057 1400 Molybdenum 0 250 6300 Monel 0 210 5400 Neoprene 0 063 1600 Nickel 0 220 5600 Nylon 6 6 0 100 2600 Oil SAE 30 0 067 1700 Platinum 0 130 3...

Page 27: ...ylene 0 070 1900 Polystyrene 0 0930 2400 Polyurethane 0 0700 1900 Quartz 0 230 5800 Rubber Butyl 0 070 1800 Silver 0 140 3600 Steel Mild 0 233 5920 Steel Stainless 0 228 5800 Teflon 0 060 1400 Tin 0 130 3300 Titanium 0 240 6100 Tungsten 0 200 5200 Uranium 0 130 3400 Water 0 584 1480 Zinc 0 170 4200 ...

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