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ONTENTS
CHAPTER 1 A BRIEF INTRODUCTION TO YUT-2800 ............................................................................ 1
................................................................................................................................................... 1
1.4.1 Power Supply ............................................................................................................................................... 2
1.4.2 Probe Connection ......................................................................................................................................... 3
1.4.3 Switching On and Off the Instrument........................................................................................................... 3
1.4.4 Restore the Initial Parameters of the Instrument .......................................................................................... 3
1.5.1 Functional Keys ......................................................................................................................................... 3
1.5.2 Main Menu ................................................................................................................................................. 4
CHAPTER 2 FUNCTIONS, FEATURES, AND PARAMETERS OF THE INSTRUMENT ..................... 4
....................................................................................................................................... 6
CHAPTER 3 DETAILED OPERATION INSTRUCTIONS ........................................................................ 7
3.1.1 Sound Path ................................................................................................................................................... 7
3.1.2 Sound Velocity ............................................................................................................................................. 7
3.1.3 Displacement ................................................................................................................................................ 8
3.1.4 Gain .............................................................................................................................................................. 8
3.1.5 Compensation............................................................................................................................................... 8
3.1.6 Scale ............................................................................................................................................................. 8
3.1.7 Reject ........................................................................................................................................................... 9
3.1.8 Wave Height Readings ................................................................................................................................. 9
........................................................................................................................................ 9
3.2.1 Waveform Filling ....................................................................................................................................... 10
3.2.2 Color Scheme ............................................................................................................................................. 10
3.2.3 Language .................................................................................................................................................... 10
3.2.4 Lighting ...................................................................................................................................................... 10
3.2.5 Alarming .................................................................................................................................................... 10
3.2.6 Automatic Wave Height ............................................................................................................................. 11
3.2.7 Date ............................................................................................................................................................ 11
3.2.8 Time ........................................................................................................................................................... 11
3.2.9 Parameter Resetting ................................................................................................................................... 11
YUSHI INSTRUMENTS
Contents
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Summary of Contents for YUSHI YUT-2800
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Page 1: Table Of Contents
YUSHI INSTRUMENTS Contents ............................... I ONTENTS CHAPTER 1 A BRIEF INTRODUCTION TO YUT-2800 ................1 1.1 N ..............1 AMES OF THE AJOR OMPONENTS OF THE NSTRUMENT 1.2 K ..............................1 EYPAD 1.3 D ............................. 2 ISPLAY CREEN 1.4 B .................... - Page 2 YUSHI INSTRUMENTS 3.3.1 Pulse energy ............................... 12 3.3.2 Pulse width ..............................12 3.3.3 Damping ..............................12 3.3.4 Broadband ..............................13 3.3.5 Repeating frequency........................... 13 .............................. 13 GATE 3.4.1 Gate A menu ............................... 14 3.4.1.1 Starting of gate A ............................ 14 3.4.1.2 Width of gate A ............................
- Page 3 YUSHI INSTRUMENTS 4.2.1 Calibration Procedures ..........................24 4.2.2 Operation Steps ............................24 4.2.3 Measurement of the Sound Velocity of the Material .................. 25 4.3 C ................... 26 ALIBRATION OF THE NGLE ROBE 4.3.1 Calibration Procedures ..........................26 4.3.2 Operation Steps ............................26 ..........................
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Page 4: Chapter 1 A Brief Introduction To Yut-2800
YUSHI INSTRUMENTS Chapter 1 A Brief Introduction to YUT-2800 1.1 Names of the Major Components of the Instrument The names of the major components of the instrument are shown in Figure 1-1. 1. TFT True Color Display 2. Touch Keypad 3. -
Page 5: Display Screen
AC adapter into the socket on the YUT-2600. Pay attention to alignment of the red spots on the socket when connecting the charger and the main unit. Otherwise, the instrument doesn't work. Using Batteries A pack of exclusive rechargeable built-in batteries can be used in YUT-2800, as shown in Figure 1-4. Figure 1-4... -
Page 6: Probe Connection
YUSHI INSTRUMENTS 1.4.2 Probe Connection When you use YUT-2600, we recommend using our stock probe connecting cable with the appropriate probes. Various types of our standard stock probes can be used directly. The probe should be plugged into the socket upside the instrument. When it is the mode of single probe, the probe cable should be connected to T/R socket;... -
Page 7: Main Menu
YUSHI INSTRUMENTS 1.5.2Main Menu Main Submenu Functions Menu Gain, Compensation, Sound Velocity, Sound Path, Basic Parameters in Basic Displacement, Scale, Reject, Wave Height Readings Detection Waveform Filling, Color Scheme, Language, Alarm, Automatic Basic Functions of the Setting Wave Height, Date, Time, Parameter Resetting... -
Page 8: Features Of The Instrument
YUSHI INSTRUMENTS as well as print out reports 2 independent measurement gates, monitoring the echo amplitude and the sound path distance When using transverse wave to detect flaws, the depths of the second and third waves are automatically calculated according to the slab thickness. -
Page 9: Specifications
YUSHI INSTRUMENTS ● The voltage of the pulse generator can be changed between 50V to 400V continuously, so that no matter thin plate or hard-penetrated work-piece can be matched with the most fitful probe. ● The width of the pulse can be change d between 25ns to 1000ns continuously, so that the best sensitivity can be realized with the help of different probes with different frequency. -
Page 10: Chapter 3 Detailed Operation Instructions
YUSHI INSTRUMENTS Chapter 3 Detailed Operation Instructions 3.1 Parameter Menu Functions Press to start the menu. 3.1.1 Sound Path On the sound path submenu, you can make the adjustment of the display range, i.e., the frequency of the echo displayed. The range is from 25 to 4500mm. -
Page 11: Gain
YUSHI INSTRUMENTS waveform will move horizontally. The adjustment range is from 0 to 2000mm. On the parameter menu, press (up) or (down) to select the displacement submenu, then （right increase) to adjust the values. press (left decrease) or On the displacement submenu, press OK to adjust the steps. -
Page 12: Reject
YUSHI INSTRUMENTS 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 incidence to the flaw. -
Page 13: Color Scheme
YUSHI INSTRUMENTS Select the setting menu, press (up) or (down) to select the waveform filling submenu, then press (left) or (right) to select 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. -
Page 14: Date
YUSHI INSTRUMENTS 3.2.6 Date On the setting menu, press to activate this function. Press (up) or (down) to select the date submenu. Then press (left) or (right) to set the date. Press Ok to switch among year, month, and day. -
Page 15: Pulse Width
YUSHI INSTRUMENTS 3.3.2 Pulse width Through adjusting the value, the sensitivity and resolution of the echo can be changed. This function aims at matching different probes and getting the highest sensitivity. On the squared ultrasonic wave menu, press (up) or... -
Page 16: Gate Menu
YUSHI INSTRUMENTS submenu, then press (left decrease) or (right increase) to adjust the values: 25Hz, 50Hz, 100Hz and 200Hz. 3.4 Gate Menu The most outstanding feature of the digital flaw detector is the ability to display all the analogue values of echoes on the screen by digital signals. When the instrument is required to compare and compute a signal wave, "human"... -
Page 17: Height Of Gate A
YUSHI INSTRUMENTS to adjust the steps which are divided into 1, 5, and 10. 3.4.1.3 Height of Gate A Select Gate A menu, press (up) or (down) to select the height of Gate A submenu, then press (left) or (right) to adjust the values. -
Page 18: Gate B Menu
YUSHI INSTRUMENTS The vertical distance from the surface The projection distance from the probe of the work piece to the flaw echo in front edge to the flaw echo in Gate A. Gate B The projection distance from the probe... -
Page 19: Mode Of Gate B
YUSHI INSTRUMENTS 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 and measurement functions. -
Page 20: Probe Zero
YUSHI INSTRUMENTS 3.5.2 Probe Zero There is a certain sound path distance between the probe chip and the coupling surface of the work piece to be detected, thus there will be a sonic time delay. The delay effect can be compensated by setting the probe zero submenus. -
Page 21: Work Piece Thickness
YUSHI INSTRUMENTS 3.5.5 Work Piece Thickness On the work piece thickness submenu, you can set the work piece thickness in the vertical direction of the detection plane. When using angle beam probe, the positioning of the vertical depth of the flaws need this value set. -
Page 22: Gate A Start
YUSHI INSTRUMENTS 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 adjust the value. Note: adjust the Gate A position to catch the reference echo. The adjustment range is 0-9999mm.3.5.3... -
Page 23: Memory Number
YUSHI INSTRUMENTS 3.7.1 Memory Number Select the memory menu, press (up) or (down) to select the memory number submenu. Then press (left) or (right) to adjust the values. Note: the memory number can be chosen recurrently in the data set ranging from 1 to 1000. When... -
Page 24: Communication
YUSHI INSTRUMENTS 3.7.5 Communication The flaw detector can exchange data with PC. (For more information, see Chapter 8). The default status is on. 3.8 Operation of Other Special Functional Keys 3.8.1 Automatic Gain Move the gate to lock the echo that you want, as shown in Figure 3-1. Press to start the automatic gain. -
Page 25: Freezing
YUSHI INSTRUMENTS 3.8.2 Freezing The function can freeze and lock the display on the current screen. In the freezing mode, you can move the gate to measure the echoed signal frozen on the screen. If you want to freeze the current display, press . -
Page 26: Zero Calibration Of The Straight Beam Probe
YUSHI INSTRUMENTS appropriate test method and probe, set the sound velocity, sound path of the material, set the working frequency and other instrument parameters as well as the probe parameters, and adjust the probe zero. First, according to the relevant industry standards or the requirements of the site, decide the test method and choose the appropriate probe. -
Page 27: Operation Steps
YUSHI INSTRUMENTS 4.2.2 Operation Steps The instrument requires the echo with an known sound path as the calibration wave of the incident zero. We choose the CSK-IB test block kept flat to do the distance calibration, as shown in Figure 4-1. -
Page 28: Measurement Of The Sound Velocity Of The Material
YUSHI INSTRUMENTS Figure 4-3 4.2.3 Measurement of the Sound 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 calibration block (the sound path is known), open Gate A, adjust the start position of the gate to let Gate A catch the primary echo;... -
Page 29: Operation Steps
YUSHI INSTRUMENTS 4.3.2 Operation Steps Calibration of CSK-IA as an example： 1. Press to enter the parameter menu, press (up) or (down) to select the sound path submenu. Then press (left) or (right) to set the value as 125mm. 2. Press (up) or (down) to select the sound velocity submenu. - Page 30 YUSHI INSTRUMENTS hollows of R100mm reaches its highest level. The sound path value will be displayed at the top left corner on the screen, if the value isn't 100mm, press to enter the probe menu, press (up) or (down) to select the probe zero submenu, then press...
- Page 31 YUSHI INSTRUMENTS Figure 4-7 Figure 4-8 Figure 4-9 There are many ways to calibrate the angle beam probe, the standard test block isn't wedded to the calibration, and you can also use a pinhole of known depth to do calibration. Theoretically, the smaller...
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Page 32: Making Of Dac Curve
YUSHI INSTRUMENTS reference reflector is, the more precise the calibration is, but the difficulty of calibration increases correspondingly. When you use a pinhole to do calibration, 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 you measure to calibrate the sound velocity and the probe zero. -
Page 33: Chapter 5 Skills Of Using The Instrument
YUSHI INSTRUMENTS 8. After all the reference points are recorded, a curve is displayed on the screen, press (up) or (down) to set it on RL, then press (left) or (right) to set the corresponding value. SL and EL can be handled in the same way. -
Page 34: Using Batteries To Reduce Interference
YUSHI INSTRUMENTS different probes or various work pieces into different records, and you can call out the corresponding saved record before detection. The detection can start as soon as the data are unfrozen so that you can switch among different detection statuses. It is easy for management, and at the same time, the complicated calibration work is alleviated. -
Page 35: Peak Value Memory Function
YUSHI INSTRUMENTS 5.6 Peak value memory function When the function is enabled, the screen will record the highest point of the echo and joint all the points with dashed line to form an envelope line, when a higher echo emerges, it will refresh the memory point at this position, otherwise, it keeps unchanged. -
Page 36: The Identification Of Flaws
YUSHI INSTRUMENTS thickness of the steel plate is more than 20mm, use the 50% first echo of φ5 flat-bottom test block as the required sensitivity. The arrows represent the scan directing probe on the flat-bottom test block, move the probe to find out the biggest echo ofφ5 Put the flat-bottom hole. -
Page 37: The Identification Of The Defect Location
YUSHI INSTRUMENTS When F1≥50％or F1/B1≥50％（B1＜100%）, the distance between the probe centers when F1 is 25% and F1/B1 is 50％ is the length of defect pointer, and the probe center orbit is the defect edge. When B1＜50％, the indicated defect length is the distance the probe center covers when B1 = 50%. -
Page 38: Operating Steps
YUSHI INSTRUMENTS Note: S1: the distance between the flaw starting point and the left datum line of the test block S2: the distance between the flaw ending point and the left datum line of the test block S3: the distance between the highest point of the amplitude and the left datum line of the test block 6.2.1 Operating steps... -
Page 39: Measurement Of The Flaw Length
YUSHI INSTRUMENTS 6.2.2 Measurement of the flaw length Press , set the flaw highest wave to 80% of the full scale, then move parallel the probe to the left, and observe the echo on the screen. When the echo drops to 40%, (namely half of the highest wave). -
Page 40: Environment Requirements
YUSHI INSTRUMENTS ventilated place indoors. 7.3 Environment requirements The instrument should be strictly kept from collision, dust, humidity, magnetic fields and oil or grease. Don’t use anything soluble to wipe and clean the surface of the instrument. 7.4 Maintenance of rechargeable battery The capacity and life span of rechargeable batteries depend on the way they are used. -
Page 41: Repairing
It is kept in a place of high temperature, high humidity or corrosivity. Chapter 8 Communication between the Instrument and the Computer 8.1 The Communication between YUT-2800 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 defectometer. - Page 42 YUSHI INSTRUMENTS 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 to the PC.
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Page 43: Main Functions
YUSHI INSTRUMENTS 8.2 Main Functions 1. “Download the number from the instrument to the PC”: This function can download the flaw detecting information, graphs and data saved in YUT-2600 to PC. 2. “The current display of data serial number”: This function can control the setting of certain status on YUT-2600 through PC. - Page 44 YUSHI INSTRUMENTS Appendix I General Flaw Detection Report...
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Page 45: Appendix Ii Terminology
YUSHI INSTRUMENTS Appendix II Terminology This appendix lists the special terms used in ultrasonic nondestructive testing. Knowing the accurate definition of them will help users have a better understanding of this operator’s manual. Flaw: Wrong sizes, shapes, orientations, positions or property which may damage the work-pieces or the incontinuity which fails to meet the acceptance criteria. - Page 46 YUSHI INSTRUMENTS SCR (signal to clutter ratio): the ratio between the ultrasonic signal amplitude and the biggest background noise, generally represented by decibel (dB). Gain: the gaining logarithmic form of the amplifier voltage received by the ultrasonic defectometer, represented by decibel (dB).
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