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YUSHI INSTRUMENTS

37

squeezed during the process of transportation.)

b. The keyboard or the display screen can’t work normally.

c. It is kept in a place of high temperature, high humidity or corrosively.

Chapter 8 Communication between the Instrument and the

Computer

8.1 The Communication between YUT-28series and the computer and the

use of data processing software

The communication function means transporting the pre-saved waveforms and related parameters

in the instrument into the computer and generating flaw detecting reports, which can enable the

computer to control and manage the ultrasonic defect meter. It can realize single width transfer and

continuous transfer.

Connect one end of the communication cable with the communication interface. The red pot of the

interface should be aligned with the red pot on the instrument. The other end of the communication cable

should be connected with the COM1 (or COM2) interface on the PC. The instrument will transmit the

saved graphs and data by using RS232 port to the PC. The client software installed on PC can edit, save

or print these graphs and data.

Operating steps:

1. Connect the instrument and PC with the communication cable.

2. Press

to enter the save menu. Use the up and down keys to select the communication

submenu. Use right and left keys to turn it on. Then the instrument is ready to connect the PC.

3. Open the communication software DDIclient.exe, and tap in the file scopes for download. Then

press the download button.

Note: 1. Pulling out the communication cable or shutting down the software during communicating will

fail the communication and lead to the breakdown of the instrument.

2. Please restart the instrument if the communication fails.

The software is programmed with C++. The language is Chinese. The picture below shows the

running of the software.

Содержание YUT-28 Series

Страница 1: ...E INSTRUMENT 4 2 1 BASIC FUNCTIONS OF THE INSTRUMENT 4 2 2 FEATURES OF THE INSTRUMENT 5 2 3 SPECIFICATIONS 6 CHAPTER 3 DETAILED OPERATION INSTRUCTIONS 6 3 1 PARAMETER MENU FUNCTIONS 6 3 1 1 Sound Path...

Страница 2: ...stance 15 3 5 5 Work piece thickness 16 3 5 6 Probe type 16 3 5 7 Probe frequency 16 3 5 8 Probe diameter 16 3 6 DAC MENU 17 3 6 1 DAC echo 17 3 6 2 Gate A start 17 3 6 3 Distance compensation 17 3 6...

Страница 3: ...S 30 5 6 PEAK VALUE MEMORY FUNCTION 31 CHAPTER 6 APPLICATION AND PRACTICE OF FLAW DECTETION 31 6 1 APPLICATION ON STEEL PLATE FLAW DETECTION 31 6 1 1 The adjustment of testing scope 31 6 1 2 The adjus...

Страница 4: ...are finished entirely by the keypad With the process of the keypad operation the instrument is able to identify various meanings of each key according to different conditions and then to carry out the...

Страница 5: ...nd each main menu consists of several sub menus which can be switched through up and down keys among the operation pages The selected menu is highlighted and its value can be adjusted through left and...

Страница 6: ...ction and data storage press for two seconds to shut down the instrument 1 4 4 Restore the Initial Parameters of the Instrument If the instrument crashes or some functions are in disorder or the param...

Страница 7: ...tures and parameters of the instrument 2 1 Basic functions of the instrument Wave peak memory real time envelopes show the highest wave of the flaws and record the maximum value of the flaws it is hel...

Страница 8: ...is carried out Bulk storage up to 1000 data sets can be stored including waveforms curves and parameters containing the traditional 1000 channels Echo echo thickness measurement zero calibration is av...

Страница 9: ...0dB Full automatic adjustment of steps Reject scope 0 80 adjustable Vertical linearity error 3 Horizontal linearity error 0 3 Resolution 40dB 5P14 Dynamic range 32dB Sensitivity allowance 55dB 200mm...

Страница 10: ...Longitudinal Sound Velocity Copper 2260m s 4700m s Organic Glass 1460m s 2730m s Aluminum 3080m s 6300m s Steel 3230m s 5920m s Iron 3230m s 5900m s Epoxy Resin 1100m s 2500m s 3 1 3 Displacement The...

Страница 11: ...ious display modes S Sound Path the actual distance of the sound wave from the surface of the work piece to the flaw X Horizontal Distance the horizontal distance of the sound wave from the point of i...

Страница 12: ...lect off or on Off refers to enveloping and On refers to filling 3 2 2 Color Scheme You can use the function to adjust the colors on the screen Select the setting menu then press up or down to select...

Страница 13: ...r down to select the parameter resetting submenu Press left or right to choose whether to reset the parameters and press Ok to reset the factory defaults If you want to cancel the resetting press any...

Страница 14: ...ay the damping can be adjusted On the squared ultrasonic wave menu press up or down to select the damping submenu then press left decrease or right increase to adjust the values There are 4 levels for...

Страница 15: ...4 1 1 Starting of Gate A Press for odd times to select the Gate A menu then press up or down to select the starting of Gate A submenu Then press left or right to adjust the values Note the starting of...

Страница 16: ...height of the echo in Gate A Sb The sound path value of the echo in Gate B Hb The height of the echo in Gate B ba The path difference of the echoes in Gate A and B Da The vertical distance from the s...

Страница 17: ...d 5 3 4 2 4 Mode of Gate B Select Gate B menu press up or down to select the mode of Gate B submenu then press left or right to adjust the values Off Turning off the gate i e turning off the alarming...

Страница 18: ...are divided into 0 01 0 1 and 1 3 5 3 Probe K Value When the angle beam probe is used the included angle value between the sound beam in the work piece of the incidence of the sound wave and the surf...

Страница 19: ...the adjustment range 0 999 9mm When you adjust the values you can press Ok to set the steps which are divided into 0 1 1 and 10 3 5 6 Probe Type In the probe type submenu you can alter the probe type...

Страница 20: ...eference points the maximum quality is 9 and confirm the echo reference points 3 6 2 Gate A Start Select the DAC menu press up or down to select the Gate A start submenu Then press left or right to ad...

Страница 21: ...recorded 3 6 6 SL Size Line Select the DAC menu press up or down to select the SL submenu Then press left or right to adjust the values Note SL can be adjusted free in a range 12dB higher than the DAC...

Страница 22: ...er words this function is to make curve of X The adjustment range is from 0 to 90 3 7 5 Value Calculation This function is used for calculating the flaw equivalent Press Curve key for three times to s...

Страница 23: ...ting of the instrument DAC curve and the waveforms into the data set of an appointed memory number First set the memory number as the number you want then select the option of storage press left or ri...

Страница 24: ...nside the gate reach 80 of the screen The changes of echoes do not mean the changes of DAC curve However if the option is on the parameter menu and on the gain option press the automatic gain the inst...

Страница 25: ...instrument according to the material size of the work piece to be tested as well as the relevant standards choose the appropriate test method and probe set the sound velocity sound path of the materia...

Страница 26: ...menu till the measured data show the correct sound path value of the echo calibrated Note the lower the sound path value is the more accurate the calibration is 4 2 2 Operation Steps The instrument r...

Страница 27: ...Velocity of the Material 1 Set the approximate sound velocity of the material on the sound velocity submenu under the parameter menu 2 Couple the probe to the known calibration position of the calibr...

Страница 28: ...the material known on the parameter menu primary echo is adopted generally Calibration of the front edge of the probe Calibration of the zero of the probe Calibration of the probe K value angle 4 3 2...

Страница 29: ...o automatically As shown in Figure 4 6 the probe zero calibration is finished 5 Calibrate the probe K value angle couple the probe to the CSK IA test block and move it back and forth as shown in Figur...

Страница 30: ...ion you can measure the depth and the horizontal position of the pinhole to calculate the slope coefficient to calibrate the angle and then you can use the depth or the horizontal position value that...

Страница 31: ...submenu press to delete this point 7 The other points can be handled in the same way The instrument can measure nine point at most The general order of the test points is 10mm 20mm 30mm 40mm 8 After...

Страница 32: ...s 220mm and the probe diameter is 5 completely and adjust gate A start to lock the highest flaw echo 5 Choose aperture submenu in AVG menu and set the relative value It is 5 in this case 6 Choose AVG...

Страница 33: ...ent and at the same time the complicated calibration work is alleviated 5 4 Using batteries to reduce interference When the AC mains are disturbed by the strong interference signals you should use bat...

Страница 34: ...ee Testing criterion is NB T47013 2015 6 1 Application on steel plate flaw detection Using straight probe to detect the flawed area is the main application of the instrument for detecting flaws of ste...

Страница 35: ...ess of flaw detection observe the waveform on the screen to judge the flaws according to the flaw waves and bottom waves According to NB T47013 2015 the following situations can be identified as flaws...

Страница 36: ...work piece Then measure the minimum distance L1 between the left side of the steel plate and the flaw the minimum distance between the down side of the steel plate and the flaw is L2 and the maximum...

Страница 37: ...echo height If the echo height exceed SL Now carefully move the probe to find the highest echo After you find the highest wave keep the probe steady Now observe the data display area on the screen to...

Страница 38: ...c flaws detecting may cause unpredictable erroneous results To operate the instrument safely and correctly please contact nondestructive testing organizations to require related information on trainin...

Страница 39: ...ment The batteries in this instrument usually can be used for 3 years When they don t work users can replace them with batteries of the same type Please follow the steps below a Unscrew the battery co...

Страница 40: ...ed pot on the instrument The other end of the communication cable should be connected with the COM1 or COM2 interface on the PC The instrument will transmit the saved graphs and data by using RS232 po...

Страница 41: ...which meet the searching conditions on PC 4 Print the flaw detection report a When connected with YUT 28series download the flaw detecting information graphs and data saved in the instrument to PC b...

Страница 42: ...YUSHI INSTRUMENTS 39 Appendix I General Flaw Detection Report Flaw Detection Reports...

Страница 43: ...o between the maximum and minimum reflection area which can be identified on the screen of ultrasonic defect meter Pulse Repetition Frequency the pulse frequencies produced per second when the impulsa...

Страница 44: ...for evaluating the property and flaw detecting sensitivity of the ultrasonic system Standard test block the blocks whose materials shapes and sizes having been appraised by the authoritative organiza...

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