Checkline DFX-7 Bedienungsanleitung

OPERATION MANUAL DAKOTA ULTRASONICS DDFFXX--77 Ultrasonic Flaw Detector (Manual 2 of 2) P/N P-220-0002 Rev

Dakota Ultrasonics 6 2) Use the UP and DOWN arrow keys to scroll through the sub menu items until DEFAULT SETUP is highlighted. 3) Press the ENTER key

Dakota Ultrasonics 96 Grid File Formats Sequential Log Formats Important Note: For the duration of this chapter, all reference

DFX-7 Ultrasonic Flaw Detector 97 Creating a Name Grid/Seq Log Name : Can contain a combination of up to 20 numeric, alpha, or special characters lis

Dakota Ultrasonics 98 Grid Log Sequential Log 4) Press the ENTER key to display the new Grid or Seq Edit Box. 5) Use

DFX-7 Ultrasonic Flaw Detector 99 9) Use the CLR key to backspace if necessary. 10) Repeat steps 6 - 9 until the Grid or Seq Name (File Name) is com

Dakota Ultrasonics 100 3) Use the UP, DOWN, LEFT, & RIGHT arrow keys to highlight the appropriate alpha characters. 4) Press the ENTER key to sel

DFX-7 Ultrasonic Flaw Detector 101 Sequential: The sequential file format can be viewed as a file as a single column of up to 512 possible rows (read

Dakota Ultrasonics 102 Grid Log Sequential Log 3) GRID LOG: Use the LEFT, & RIGHT arrow keys to scroll the Colum

DFX-7 Ultrasonic Flaw Detector 103 Grid Log Sequential Log 1) Use the UP and DOWN arrow keys to scroll through the new

Dakota Ultrasonics 104 and advance to the next character field, in conjunction with using the CLR key to backspace if necessary. 4) Press the OK key t

DFX-7 Ultrasonic Flaw Detector 105 Selecting the Auto Increment Direction The Auto Increment feature gives the user the ability to specify which dire

7 CHAPTER THREE KEYBOARD, MENU, & CONNECTOR REFERENCE 3.1 Menu Key (Operation & Sub Menus) The Menu key activates the primary menu

Dakota Ultrasonics 106 Saving Graphics The DFX-7 provides the user with the ability to save a snapshot of the display screen and all the current setti

DFX-7 Ultrasonic Flaw Detector 107 Saving a Grid Once all the parameters are set, the user has the option of saving or canceling the new grid.

Dakota Ultrasonics 108 Grid Log Sequential Log 6) Press the OK key to save the New Grid or Seq Log, or the ESC key to cancel the New

DFX-7 Ultrasonic Flaw Detector 109 Grid Log Sequential Log 1) Press the UP, DOWN, LEFT, and RIGHT arrow keys to scroll

Dakota Ultrasonics 110 Viewing Stored Waveforms Grid Log Sequential Log 1) Press the MEAS key once to activate measu

DFX-7 Ultrasonic Flaw Detector 111 5) Abort the Grid/Seq Log View Box by pressing the MEAS key at any time. 11.5 Deleting Grids (Files) Deleting One

Dakota Ultrasonics 112 3) Press the ENTER key to display the File List Box. 4) Use the UP and DOWN arrow keys to scroll through the stored Files un

DFX-7 Ultrasonic Flaw Detector 113 2) Use the UP and DOWN arrow keys to scroll through the sub menu items until DELETE ALL DATA is highlighted. 3) P

Dakota Ultrasonics 114 11.6 Editing a Grid (File) Once a grid has been created and saved to memory, the user can edit the Comments or Increment Direct

DFX-7 Ultrasonic Flaw Detector 115 5) Press the ENTER key to activate the Alpha Edit box – Only used when editing the NOTE. 6) Use the UP, DOWN, LEFT

Dakota Ultrasonics 8 Activating and Navigation of the Menu Items 1) Press the MENU key once to activate the menu items tab. Press the MENU key multi

Dakota Ultrasonics 116 10) Press the UP or DOWN arrow key to highlight SAVE CHANGES, and the OK key to activate the confirmation screen. 11) Press

DFX-7 Ultrasonic Flaw Detector 117 Grid Log Sequential Log 1) Press the MENU key once to activate the menu items tab. Press the MENU

Dakota Ultrasonics 118 5) Press the ENTER key to activate the confirmation screen. 6) Press the OK key to load the file from memory. 7) Press the MEA

DFX-7 Ultrasonic Flaw Detector 119 2) Use the UP and DOWN arrow keys to scroll through the sub menu items until CLOSE is highlighted. 3) Press t

120 CHAPTER TWELVE SETUPS – CREATE, STORE, EDIT, & RECALL 12.1 Introduction to Setups Often times, users are faced with a variety of tasks and app

DFX-7 Ultrasonic Flaw Detector 121 Opening a Setup 1) Press the MENU key once to activate the menu items tab. Press the MENU key multiple times to

Dakota Ultrasonics 122 5) Press the ENTER key to activate the confirmation screen. 6) Press the OK key to load the setup from memory. 7) Press the ME

DFX-7 Ultrasonic Flaw Detector 123 Saving a Setup 1) Press the MENU key once to activate the menu items tab. Press the MENU key multiple times to ta

Dakota Ultrasonics 124 5) When the parameter to edit is highlighted, press the ENTER key to activate the Alpha Edit Box. 6) Use the UP

DFX-7 Ultrasonic Flaw Detector 125 11) Use the UP and DOWN arrow keys to scroll through the setups until the target location to save the Setup is h

DFX-7 Ultrasonic Flaw Detector 9 3.2 Probe – Menu TYPE: Enables the user to select the type of transducer being used, either Single or Dual. PULSE

Dakota Ultrasonics 126 Deleting a Setup 1) Press the MENU key once to activate the menu items tab. Press the MENU key multiple times to tab right a

DFX-7 Ultrasonic Flaw Detector 127 5) When the Setup Name is highlighted, press the ENTER key to display the confirmation screen. 6) Press the OK key

Dakota Ultrasonics 128 Using the Default Setup 1) Press the MENU key once to activate the menu items tab. Press the MENU key multiple times to tab r

DFX-7 Ultrasonic Flaw Detector 129 12.6 Selecting a Language The DFX-7 is equipped with a language option. Currently, the only languages supported ar

130 CHAPTER THIRTEEN USING THE UTILITY SOFTWARE 13.1 Computer System Requirements DakView will run on many different operating systems: Windows XP, W

DFX-7 Ultrasonic Flaw Detector 131 13.3 Using the XFER menu (DFX-7) The XFER menu of the DFX-7 will be used in conjunction with the DakView PC softwa

132 APPENDIX A - VELOCITY TABLE Material L-Wave velocity in/µs L-Wave velocity m/s S-Wave Velocity in/µs S-Wave Velocity in/µs Aluminum 0.2510 63

DFX-7 Ultrasonic Flaw Detector 133 Steel Stainless" 0.2230 5664 .1230 3120 Teflon 0.0540 1372 .2500 6350 Tin 0.1310 3327 .0660 1670 Titanium 0.

134 APPENDIX B - SETUP LIBRARY Num Name Comment 1 Gn/AGC Velocity 1 Enter Custom Name 2 … 3 … 4 … 5 … 6 … … …

135 WARRANTY INFORMATION • Warranty Statement • Dakota Ultrasonics warrants the DFX-7 against defects in materials and workmanship for a period of t

Dakota Ultrasonics 10 3.4 DISP (display) – Menu VIEW: Selectable RF, +RECT, -RECT, RECTFW views. Refer to page 23 for further info. DELAY: Pro

DFX-7 Ultrasonic Flaw Detector 11 be considered as similar to turning the volume up or down on a stereo receiver. Refer to page 27 for further info.

Dakota Ultrasonics 12 ALARM: Toggles the alarm function of gate 2; on, off, audible. The audible feature sounds a beeper when the waveform breaks th

DFX-7 Ultrasonic Flaw Detector 13 3.9 AWS – Menu AWS: This feature toggles the AWS feature on/off. Used in the analysis of welds according to Am

Dakota Ultrasonics 14 DRAW: Toggles the DRAW mode on/off/audible, and used to draw the DAC curve. Note: TCG curve cannot be drawn in RF view. Refe

DFX-7 Ultrasonic Flaw Detector 15 LANGUAGE: Provides the user the ability to select different languages for the DFX-7. Refer to page 129 for further

Dakota Ultrasonics 16 BACKUP SETUPS: Enables the user the ability to backup the setups currently stored in the DFX-7 to a PC via RS232 port. USB ad

DFX-7 Ultrasonic Flaw Detector 17 3.20 ESC Key The ESC key is used in the MENU, MEAS, and EDIT functions as a back or escape function. If the DFX-

Dakota Ultrasonics 18 In order to understand how to operate the DFX-7, it’s best to start off with an understanding of what we’re looking at. The D

DFX-7 Ultrasonic Flaw Detector 19 • Detect i. Zero crossing (ZX) ii. Flank (FK) iii. Peak (PK) • Leg – Skip leg reference, (L1…L4…) • High Speed Sc

Dakota Ultrasonics 20 purpose of the design, was to provide the user with an efficient way to make adjustments on the fly during inspections. The fol

DFX-7 Ultrasonic Flaw Detector 21 6) Repeat steps 4 & 5 until the start position is correctly displayed. 7) Press the OK key to set the WIDTH1 pos

Dakota Ultrasonics 22 pin serial cable. Note: This connector is also used to upgrade the DFX-7 with the latest version of firmware. USB Serial to US

23 CHAPTER FOUR SETTING UP FOR MEASUREMENT 4.1 Selecting Display View The DFX-7 includes a variety of viewing options for the waveform display. There

Dakota Ultrasonics 24 2) Use the UP and DOWN arrow keys to scroll through the sub menu items until VIEW is highlighted. 3) Use the LEFT and RIGHT arro

DFX-7 Ultrasonic Flaw Detector 25 Setting Delay 1) Press the MEAS key once to activate measure menu items. Press the MEAS key multiple times to mov

CHAPTER ONE INTRODUCTION ... 1CHAPTER TWO QUICK START GUIDE ...

Dakota Ultrasonics 26 The Range is the distance from the delay that will be viewable on the screen. It can be adjusted to any value greater than the

DFX-7 Ultrasonic Flaw Detector 27 4.3 Gain The gain feature of the DFX-7 is used to adjust the signal amplitude to a predetermined reference height

Dakota Ultrasonics 28 2) Press the UP, DOWN, LEFT, and RIGHT arrow keys to scroll the highlighted value. 3) Alternatively, press the ENTER key to dis

DFX-7 Ultrasonic Flaw Detector 29 The user can also access and adjust the gain from the tabbed menus. However, this method is more tedious than makin

Dakota Ultrasonics 30 9) Finally, press the MEAS key to return to the measurement screen. 4.4 Gates The gates are an important part of any ultrason

DFX-7 Ultrasonic Flaw Detector 31 No Gate Gate On The screenshots above show a rectified waveform with and without a gate enabled. The following st

Dakota Ultrasonics 32 Note: Above will trigger the alarm when a signal meets or exceeds the height of the gate, and below will detect on anything tha

DFX-7 Ultrasonic Flaw Detector 33 6) Press the OK key to set the GATE1 WIDTH and return to the menu screen, or ESC to cancel entering the GATE1 WIDTH.

Dakota Ultrasonics 34 Note: Sets where the detection will occur, on the negative or positive going echoes.

35 CHAPTER FIVE CALIBRATION In this section we’ll focus on calibrating the DFX-7. There are a number of ways to go about performing a calibration, bu

Dakota Ultrasonics 36 The gauge will require a few basic adjustments in order to get underway with the calibration process. For this example, in o

DFX-7 Ultrasonic Flaw Detector 37 2) Press the ENTER key to display the Digits Edit Box. 3) Press the UP and DOWN arrow keys to scroll the highlighte

Dakota Ultrasonics 38 Activating a Gate 1) Press the MENU key once to activate the menu items tab. Press the MENU key multiple times to tab right an

DFX-7 Ultrasonic Flaw Detector 39 5) Repeat steps 3 & 4 until the desired GATE1 value is displayed. Note: In our example, a value less than 1 inc

Dakota Ultrasonics 40 Setting Polarity 1) Use the UP and DOWN arrow keys to scroll through the sub menu items until POLARITY1 is highlighted. 2) Press

DFX-7 Ultrasonic Flaw Detector 41 Coupling to the 1” Cal Standard (1st Point) Apply a drop of couplant on the transducer and place the transducer in s

Dakota Ultrasonics 42 3) Press the ENTER key to display the Digits Edit Box. 4) Press the UP and DOWN arrow keys to scroll the highlighted value. 5)

DFX-7 Ultrasonic Flaw Detector 43 stable. Also, be sure there is sufficient signal amplitude in order to avoid ‘peak jumping’ or missing the first cy

Dakota Ultrasonics 44 4) Press the UP and DOWN arrow keys to scroll the highlighted value. 5) Press the LEFT and RIGHT arrow keys to scroll the digit

DFX-7 Ultrasonic Flaw Detector 45 Adjusting the Gate to Calibrated Range 1) Press the MEAS key once to activate the measure menu items. Press the ME

CHAPTER ONE INTRODUCTION The Dakota Ultrasonics model DFX-7 is both, an ultrasonic flaw detector, as well as an ultrasonic A/B Scan thickness scope

Dakota Ultrasonics 46 Note: CHECK YOUR CALIBRATION! Place the transducer back on the one inch point, and any others in the given range, to confirm l

DFX-7 Ultrasonic Flaw Detector 47 Shear versus Longitudinal Velocity: Unlike the previous straight beam calibration, which uses a longitudinal wave, a

Dakota Ultrasonics 48 wave values, the TRIG mode must be enabled. The following outlines the steps to enable the shear wave velocity table and select

DFX-7 Ultrasonic Flaw Detector 49 7) Press the ENTER key to select the material type and initiate the overwrite confirmation screen. 8) Press the OK k

50 CHAPTER SIX TRIGONOMETRY MODE 6.1 Introduction to TRIG Trig mode is most commonly used for inspecting welded joints using an angle beam transducer.

DFX-7 Ultrasonic Flaw Detector 51 When TRIG mode is enabled, the calculated measurements will be displayed below the waveform display area at (A), an

Dakota Ultrasonics 52 Activating & Setting the Parameters Activate Trig Mode 1) Press the MENU key once to activate the menu items tab. Press

DFX-7 Ultrasonic Flaw Detector 53 4) Press the LEFT and RIGHT arrow keys to scroll the digit locations. 5) Repeat steps 3 & 4 until the thickn

Dakota Ultrasonics 54 6) Press the OK key to set the X-OFFSET and return to the menu screen, or ESC to cancel entering the X-OFFSET. Note: The X-Offs

55 CHAPTER SEVEN AWS – WELD INSPECTION 7.1 Introduction to AWS AWS provides a toolkit for evaluating defects according to the American Welding Society

1.2 Electrical Warning The DFX-7 contains a high voltage pulser. It’s recommended that the gauge be powered off prior to connecting or disconnecting

Dakota Ultrasonics 56 inspection, and should additionally be setup prior to enabling the AWS feature. Refer to Chapter Six for instructions on settin

DFX-7 Ultrasonic Flaw Detector 57 3) Press the UP and DOWN arrow keys to scroll the highlighted value. 4) Press the LEFT and RIGHT arrow keys to scrol

Dakota Ultrasonics 58 2) Press the LEFT and RIGHT arrow keys to position the start of GATE1 to trigger on the waveform. 3) Optionally, press the MEAS

DFX-7 Ultrasonic Flaw Detector 59 Note: The AWS screen can be toggle on by pressing the OK key while in the main measurement screen. Equally, the Ho

60 CHAPTER EIGHT DISTANCE AMPLITUDE CORRECTION (DAC) 8.1 Introduction to DAC A DAC curve is a gate with a variable threshold to compensate for a given

DFX-7 Ultrasonic Flaw Detector 61 %FSH – The top of the waveform display represents 100% full screen height. Any waveform amplitudes generated greate

Dakota Ultrasonics 62 2) Use the UP and DOWN arrow keys to scroll through the sub menu items until DAC is highlighted. 3) Press the LEFT and RIGHT arr

DFX-7 Ultrasonic Flaw Detector 63 2) Proceed to the next section – Drawing the DAC. Drawing the DAC 1) With all the parameters set in the prev

Dakota Ultrasonics 64 2) Press the MEAS key multiple times to move right, and the ESC key multiple times to move left until the DAC BOX: cell is highl

DFX-7 Ultrasonic Flaw Detector 65 7) Press the UP and DOWN arrow keys until DRAW is highlighted, followed by pressing the LEFT and RIGHT arrow keys u

3 CHAPTER TWO QUICK START GUIDE This section will cover a basic quick start guide to initially get up and running with the DFX-7 for demonstration pur

66 CHAPTER NINE TIME CORRECTED GAIN (TCG) 9.1 Introduction to TCG The TCG feature increases gain as distance increases, in order to achieve an overall

DFX-7 Ultrasonic Flaw Detector 67 Activating TCG 4) Press the MENU key once to activate the menu items tab. Press the MENU key multiple times to tab

Dakota Ultrasonics 68 11) Press the OK key to set the % SCRN HEIGHT and return to the menu screen, or ESC to cancel entering the % SCRN HEIGHT. Acti

DFX-7 Ultrasonic Flaw Detector 69 ex. 1 ex. 2 2) Press the MEAS key multiple times to move right, and the ESC key multiple t

Dakota Ultrasonics 70 7) Press the UP and DOWN arrow keys until DRAW is highlighted, followed by pressing the LEFT and RIGHT arrow keys until OFF is

71 CHAPTER TEN ADDITIONAL FEATURES OF THE DFX-7 10.1 Material Velocity The DFX-7 has a built in feature to manually adjust the material velocity to a

Dakota Ultrasonics 72 6) Press the LEFT and RIGHT arrow keys to scroll the digit locations. 7) Repeat steps 5 & 6 until the velocity value is co

DFX-7 Ultrasonic Flaw Detector 73 2) Use the UP and DOWN arrow keys to scroll through the sub menu items until ZERO is highlighted. 3) Press the LEFT

Dakota Ultrasonics 74 1) Press the MENU key once to activate the menu items tab. Press the MENU key multiple times to tab right and the ESC key mult

DFX-7 Ultrasonic Flaw Detector 75 6) Finally, press the MEAS key to return to the measurement screen and begin taking readings. 10.4 Auto Find The D

Dakota Ultrasonics 4 Pulse: Thin Matl 1pt: Uncal Delay: 0.000 Gain: 65 Gate1: 0.484 Max PRF: 66 Matl 2pt: Uncal Range: 5.011 Detect Mode

Dakota Ultrasonics 76 4) Press the ENTER key to automatically adjust the display settings and bring the waveform into view. 5) Once the signal is dis

DFX-7 Ultrasonic Flaw Detector 77 3) Press the LEFT and RIGHT arrow keys to scroll the value. When the correct brightness value is being displayed, p

Dakota Ultrasonics 78 1) Press the MENU key once to activate the menu items tab. Press the MENU key multiple times to tab right and the ESC key mult

DFX-7 Ultrasonic Flaw Detector 79 6) Finally, press the MEAS key to return to the measurement screen and begin taking readings. 10.7 DIM The DFX-7 h

Dakota Ultrasonics 80 4) Finally, press the MEAS key to return to the measurement screen and begin taking readings. 10.8 Graphics Options (look &

DFX-7 Ultrasonic Flaw Detector 81 The procedure to select the look and feel option is outlined below: Setting the Look & Feel 1) Press th

Dakota Ultrasonics 82 10.9 Detect Mark Another look and feel option of the DFX-7 is the DETECT MARK feature. The detect mark give the user the option

DFX-7 Ultrasonic Flaw Detector 83 The diagram above is an RF view, showing both the positive and negative going cycles for purposes of explanation.

Dakota Ultrasonics 84 Note: The screenshots above show where all the possible locations for polarity selection are found in the DFX-7. For more i

DFX-7 Ultrasonic Flaw Detector 85 Z-Cross Flank Peak Refer to the diagrams above. The current polarity is positive, as shown by the position of t

DFX-7 Ultrasonic Flaw Detector 5 FILE % SCRN HEIGHT CURVE REFLECT LOSS DEFAULT SETUP CLOSE RESTORE DATA TRIGGER MATERIAL LOSS LANGUAGE DELETE ONE FI

Dakota Ultrasonics 86 7) Use the LEFT and RIGHT arrow keys to scroll the DETECT options. 8) Once the DETECT is displayed, press the MEAS key to return

DFX-7 Ultrasonic Flaw Detector 87 4) Once the Pulse is displayed, press the MEAS key to return to the measurement screen. 10.13 Pulser Voltage The DF

Dakota Ultrasonics 88 4) Once the desired Pulser Voltage is displayed, press the MEAS key to return to the measurement screen. 10.14 Screen Update (

DFX-7 Ultrasonic Flaw Detector 89 10.15 Pulse Repetition Frequency (PRF) The DFX-7 is equipped an adjustable pulse repetition rate, with adjustable s

Dakota Ultrasonics 90 8) Once the desired PRF is displayed, press the MEAS key to return to the measurement screen. 10.16 Damping The DFX-7 has an a

DFX-7 Ultrasonic Flaw Detector 91 4) Once the desired DAMPING is displayed, press the MEAS key to return to the measurement screen. 10.17 Filters (W

Dakota Ultrasonics 92 4) Once the desired FILTERS is displayed, press the MEAS key to return to the measurement screen. 10.18 Peak Hold The DFX-7 in

DFX-7 Ultrasonic Flaw Detector 93 1) Press the CLR key at any time to clear the currently displayed waveform, and continue the scanning process. Disab

Dakota Ultrasonics 94 Note: Assuming the operator currently has a waveform that they’d like to freeze on the display. 1) Press the MULTI MODE key loc

95 CHAPTER ELEVEN DATA STORAGE – SETUP, EDIT, & VIEW FILES 11.1 Introduction to Grid and Sequential file formats The DFX-7 is equipped with two da