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EECI DIGISCAN DS-702 Operating Manual

Ultrasonic flaw detector
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Summary of Contents for EECI DIGISCAN DS-702

  • Page 2 SUPERVISOR. SUCH INDEPENDENT VERIFICATION OF PROCEDURES BECOMES MORE IMPORTANT AS THE CRITICALITY OF THE APPLICATION INCREASES. EECI RESERVES THE RIGHT TO MODIFY ALL PRODUCTS WITHOUT INCURRING THE RESPONSIBILITY FOR MODIFYING PREVIOUSLY MANUFACTURED PRODUCTS. EECI DOES NOT ASSUME ANY LIABILITY FOR THE RESULTS OF PARTICULAR INSTALLATION, AS THESE CIRCUMSTANCES ARE NOT WITHIN OUR CONTROL.
  • Page 3 IT IS ALSO RECOMMENDED THAT THE SERVICE OF THE EQUIPMENT BE CARRIED OUT BY QUALIFIED PERSONNEL ONLY. IT IS ALSO ESSENTIAL THAT THE PERSONNEL ATTEMPTING TO CALIBRATE IS FULLY CONVERSANT WITH THE PROCEDURES. EECI WILL ASSIST YOU WITH YOUR TRAINING NEEDS. CAUTION DO NOT PLUG/UNPLUG THE BATTERY CHARGER TO DS702 WHEN CONNECTED...

  • Page 4: Table Of Contents

    _____________________________________________________ Table of Contents ______________________________________________________ Introductions........................5 1.1 Introduction ..........................5 1.2 General...........................5 1.3 Operator Training........................5 1.4 Technical Requirements.......................5 1.5 Accessories...........................6 Features..........................6 Standard Software Features....................6 Hardware Overview.........................8 Functions..........................8 Top View Connections.........................8 Side View Connections.........................9 Instrument Stand...........................9 Indicators..........................9 Connect Power Source.........................9 2.7 USB..............................9 2.8 PC..............................9 ....................10 MicroSD Card Installation...
  • Page 5 Master Reset & BUG Report .....................73 8.1 Procedure For Master Reset ....................74 8.2 Procedure For Exporting Bug Report ................74 Specifications ........................77...

  • Page 6: Introductions

    The DS702 ultrasonic flaw detector is designed to perform non destructive inspections on industrial and commercial materials. Only use the DS702 unit with an external charger approved by EECI to charge the batteries.

  • Page 7: Accessories

    1.5 Accessories 1. Instrument carry case 2. 30W USB C charger 3. Flash drive with user manual Getting started guide 1.6 Key Features New Generation Technology. • User friendly Interactive Architecture. • High power unable Square wave Pulser for optimum S:N ratio. •...
  • Page 8 FLEXI DGS : • The software feature helps for comparison & evaluation of Echoes against standard DGS curve for a particular type of probe. The DGS curve represents relation between echo height, defect size & distance from transducers. DGS option sets the scale as per the test range, so no more compromising to fixed scale.

  • Page 9: Hardware Overview

    _____________________________________________________ 2. Hardware Overview ______________________________________________________ 2.1 Key Functions Power key Up key Down key Enter key Right key Left key Gain key 1. Power key : Press power key for few milliseconds to On/Off the instrument. Press power key for 5 sec to hard reset the instrument . 2.

  • Page 10: Side View Connections

    2.3 Side View Connections SIDE VIEW SIDE STICKER 1. TX : Transmit / Receive transducer connector 2. RX : Receive transducer connector 2.4 Instrument Stand 1. To open the stand press on the sides and pull to release it from the clip. 2.

  • Page 11: Microsd Card Installation

    2.9 Micro SD Card Installation 1. Gently loosen the two screws & open the top door to access the micro SD card. 2. Insert the micro SD card into the slot label facing front and gently push down until it clicks into place.

  • Page 12: Powering The Ds-702

    4. If charge status led goes from blinking to solid green state that indicates that the battery is completely charged. 5. It is recommended to use only EECI supplied chargers for optimum charge time and battery life. CAUTION Do not open ,crush or perforate batteries: doing so could cause injury. Keep batteries away from fire...

  • Page 13: Power Level Indicator

    Power adapter is connected, Battery charge level, remaining operating time in hours (approx. Level) Warning: To connect the charger CAUTION If an unauthorized power supply cord is used to power the instrument, EECI cannot guarantee the electrical safety of the equipment.

  • Page 14: Software Interface

    __________________ _______________________________________________ 4. Software Interface ________________________________________________________________________ Gain Setting Battery Indicator Trignometric Sub menu Parameters ASCAN Grid Touch on text for selecting sub menu parameter Main menu Alarm Indicator 4.1 Full Screen Mode Double press to Enter key or Double tap on screen to enter into the full screen mode also revert from full screen to normal mode.

  • Page 15: Menu Contents

    4.2 Menu Contents DS702 is simple in performing operations. Main menu shown at bottom side of the screen, Sub menus of the selected main menu are shown vertically on left side of the screen. BASE PULSER RECEIVER MEASURE AUTO CAL. GATE MEMORY Velocity...

  • Page 16: To Change The Value Of Parameters

    4.2.a To Change The Value Of Parameters Enter key is used to modify the parameter values or acknowledge the entry. • Up/Down key use for increment/decrement parameters value. • Right/Left key use for selecting the digit to change parameters value. •...

  • Page 17: Software Features & Options

    ______________________________________________________ 5. Software Features & Options _____________________________________________________________ Function group BASE • Velocity Selects velocity function. User can set the job velocity. It is displayed in meters/sec. Selects probe zero function. Probe zero compensates for the sound path in Probe zero transducer.
  • Page 18 Function group MEASURE • Angle To select probe angle. The ANGLE function enables to adjust the angle of beam propagation for transducer/ wedge combination. This setting is required for the automatic calculation of the flaw position. Thickness To set job thickness under inspection. X Value To enter Distance from the probe's leading face to the position of the flaw.
  • Page 19 Function group DISPLAY • Brightness This key can be used to vary the display brightness. Envelope Toggled between On/Off. ASCAN Freeze Freezes A-Scan display. In freeze condition, all the keys are locked Zoom Toggled between Gate 1 /2 / 3 & Off. Filled ASCAN Toggled between On/Off grid.
  • Page 20 Function group DAC/ TCG • To enable the DAC curve. DAC Type To select DAC Menu, select static or dynamic DAC. Offset 1 To set the multiple curves set at particular gain -20db to +20db or %. Offset 2 To set the multiple curves set at particular gain -20db to +20db or %. G1 Start For selection of echoes.
  • Page 21 Function group Immersion • Immersion Toggled between On/Off. IF Velocity It is used to set the job velocity. Start It is used to change the Start position of the gate. Width It is used to change the width of the gate. Trigger Toggled between IF &...

  • Page 22: Individual Function Description

    ______________________________________________________ 6. Individual Function Description ______________________________________________________ • Parameter Adjustment - User can use keys of DS702 M/C(Up/Down keys and Left/Right keys) ,Wireless Keyboard and touch panel to set & adjust any parameter of sub menus. For eg. If user wants to set/Adjust Gain then click special key given for Gain setting, when user click Gain key cursor shift to Gain option on display.
  • Page 23 6.2 Function Pulser The function pulser are accessible by crossing the pulser menu. Each individual pulser Parameter is display above the parameter keys and Select function Pulser .Select key from sub function. PULSER DAMP PROBE MODE PULSER TYPE FREQUENCY IMPULSE ENERGY(VOLTS) Setting PRF ( Pulse Repetition Frequency)(KHz) •...
  • Page 24 Setting Frequency • Select frequency function. It can be set frequency range in 0.5 - 20 MHz, in 0.1 MHz steps . In this function operating frequency can be adjusted according to probe frequency. Set the defect and change the probe frequency to get the maximum peak. Setting Impulse •...
  • Page 25 Setting Rectification • Select Rectification function. for RF, Rectified – Full / +ve / -ve selection. RF (radio frequency) RF pattern is displayed Full (full wave) All half waves are displayed above the baseline. Positive (positive half waves) : Only positive half waves are displayed Negative (negative half waves) : Only negative half waves are displayed Filter...
  • Page 26 After press Set AutoXX display will be as shown below • 6.4 Function Measure In MEASURE mode user can get echo details in trigo parameter. For surface distance user should set Angle in Degree . For Gate 1:- Adjust & set Gate 1 on echo,It shows that echo details -H1 (height of echo1) S1 (surface distance), B1 (beam path), D1 (depth) should be displayed on screen.
  • Page 27 Setting Angle • Select Angle function. Angle degree can be set between 0° to 90°, in 0.1° steps. Function angle enables automatic calculations of flaw position. Setting Thickness • Select Thickness function. Thickness can be set between 0.1 to 999.9 mm, in 0.1 mm steps To set job thickness under inspection.
  • Page 28 Setting CALIBRATION • Select Calibration function. It can be toggled between On/Off parameter. To Start Auto calibration select Calibration “On”. On click of AutoCal Menu these Sub Menu’s appear on the screen. With Auto Calibration there are 2 • options in Cal Type 1. Probe Zero. This will calibrate Probe zero only. For normal and TR probe : (Probe zero) Don't select material, keep it none.
  • Page 29 Auto cal. - on , Cal. Type – velocity , Select thickness , select echo ( two echos – using gate shift) – • shift the gate on the echo, then calibrate when you select cal type velocity two echos are select and calibrate •...

  • Page 30: Measurement Calibration

    • Position the Gate 1 on the 2 Calibration Echo & Press Select Echo to record the 2 calibration echo. This will show the screen as given above. After that there is no choice to select Echo. Measurement calibration Calibration for accurate digital Measurement is typically accomplished using Two known thicknesses of a representative material in this section ,the terms.thin and thick are used to either two thickness of a block or plate (straight beam calibrations) or two lengths of an angle sound path (angle beam calibration)
  • Page 31 Press Calibrate option shows below screen After pressing Calibrate, calibration process is carried • out. It will show the message as shown below. Press OK . It will turn OFF the Auto Calibration Process. If the Instrument is not able to carry out any •...
  • Page 32 6.6 Function Gate In the A-Scan ,a gate is represented by an Horizontal line With fixed start and end point. The length & Horizontal position of the line identify the sound path Range, while the vertical position of the gate line represents a threshold amplitude level for echoes of interest.

  • Page 33: Function Memory

    WT +ve Any indication that exceeds the gate threshold to the left of the marker trigger the alarm. WT -ve Any indication inside the marker & does not exceed the gate threshold trigger the alarm. Trigger • Select Gate trigger function. The mode can be toggled between Initial pulse & IF. Mode •...
  • Page 34 VIEW CALSET • Select view calset function. Two types of calset Default calset (Img1)and power on calset (Img2) Img1 For loading default settings – resetting the parameters Img2 Power on – for loading the last settings By using Up/Dn key go to the Load option, Wait for some moments for below message. •...
  • Page 35 Setting Delete • By using Up/Dn key go to the Delete option, Screen will display to confirm the entry. Select YES and the setting will be deleted from the list. Setting Delete All • By using Up/Dn key go to the Delete All option, Screen will display to confirm the entry. Select YES and the setting will be deleted from the list.
  • Page 36 Enter calset name by using alphanumeric keypad. • View Ref. • Select view Ref. function. To view, delete, export saved references – DGS, DAC, etc There are three option to Export the record : Export to PDF / Export to PNG /Export to DB. Go Live condition - Operator gets live condition of the viewed references, I.e the saved settings can be used Parameters - to view all setting parameters.
  • Page 37 • record : Export to PDF / Export to PNG /Export to DB. By default EECI logo will be displayed on .PDF report. To change Default logo on pdf, Turn OFF the • Instrument and Remove SD card from Instrument.
  • Page 38 Export to PDF • Select Memory function. Press Left/Right key to select main menu. By using Up/Dn arrow key select Sub-menu of View Ref. Press Enter key to edit parameter. By using Up/Dn key go to the Export button to Export the PDF. Export to PNG •...

  • Page 39: Function Display

    SAVE REF. • Select save ref function. To save reference echos Enter name to save reference – enter operator name – enter job details – Enter remark • Enter Reference echos name by using alphanumeric keypad. 6.8 Function Display Display set up allow you to set parameters that control aspects of the display DISPLAY BRIGHTNESS ENVELOPE...
  • Page 40 Setting Brightness • Select Brightness function. Brightness of display can be set from 1000 nits, variable from 0% to 100% ENVELOPE • Select Envelope function. Envelope is selected to scan maximum height and sweep of defect with echoes. This feature draws and collects the echo envelope of the signal while also drawing the live waveform.
  • Page 41 ASCAN Freeze • Select freeze function. Press Enter key to enter into the Active Freeze Mode. Press the same key to come out of the Freeze function. The Freeze function holds , or freezes the information on the screen at the moment it is activated. Once the freeze function is activated, the Pulser/Receiver of flaw detector becomes inactive and does not acquire any further data.
  • Page 42 FILLED ASCAN • Select Filled ASCAN function. It can be Toggled between On/Off parameter It displays live A-scan as filled. SCHEME • Select Scheme function. Total six color & Costume schemes are given for user's convenience. GRATICULE • Select Graticule function. Press Up/Dn arrow key select Sub menu of Graticule. Press Enter key to edit parameter.

  • Page 43: Function Settings

    Note: Used HDMI Cable or VGA Cable. If you restart the M/C HDMI automatically getting off condition repeat the same process 6.9 Function SETTINGS Settings apply as per user requirement and set all parameter settings SETTINGS UNIT TRIGO.PARAM. SHORTCUT CLOCK ROTATE TH RES.
  • Page 44 Trigo. Params. • Select Trigo. Params. function. select Sub menu of Trig. Para. Press Enter key to edit parameter. It can be Toggled between 1 to 12 no of parameter Total 12 options to display on the screen As per measurements – required number of parameters can be set rest can keep none. Each trigo parameter has following ;...
  • Page 45 Shortcuts • Select Shortcuts function. It can be Toggled between 1 to10 no of parameter 9 types of shortcuts – Shortcuts can be set as per user's convenience. each has 12 values. Clock • Setting Date Select Clock function. Ensure the current date and time so that data are correctly saved together with the test results.
  • Page 46 TH. Res. • Select Th.res function. select Sub menu of Th.Res. Press Enter key to edit parameter. For setting the parameters press Up/Dn. It can be Toggled between X , X.X , X.XX parameters. This is used to change Trigonometric Parameters Least count value.
  • Page 47 Audio, Mute • Select Audio mute function. It can be Toggled between On/Off parameters. Operator can Mute ON/OFF Audio Alarm as per requirement. Vibrate , Mute • Select Vibrate mute function. It can be Toggled between On/Off parameters. Operator can Mute ON/OFF Alarm Vibrator as per requirement.
  • Page 48 Chart Background Colour • Go to the Display – Scheme – set Custom to activating the Theme settings option. Select Display function. select Sub menu of Chart Bkg. Colour Press Enter key to edit parameter. For setting the chart background colour shade press Up/Dn. Grid Colour •...
  • Page 49 ASCAN Colour • Select ASCAN colour function. Press Enter key to edit parameter. For setting the ASCAN colour shade press Up/Dn . Gate Colour (Gate1 / Gate2 / Gate3 ) • Select Gate colour function. Press Enter key to edit parameter. For setting the Gates colour shades press Up/Dn.
  • Page 50 Btn. Colour • Select Btn.colour function. Press Enter key to edit parameter. For setting the Btn colour shade press Up/Dn. Btn. Txt. Colour • Select Btn.Txt.colour function. Press Enter key to edit parameter. For setting the Btn. Txt.colour shade press Up/Dn. Focus colour •...
  • Page 51 6.11 DAC/TCG DAC(Distance Amplitude Curve) the pulse echo response of a reflector will decrease as the distance of the reflector from the ultrasonic probe increases Amplitude inversely proportional to distance when DAC function are ON Ref.gain features also ON.DH1,DH2-Measure Distance Between echo height and curve as per the gain Pls refer dac ref.gain image 1 on page no : 72 DAC/TCG...
  • Page 52 OFFSET 2 • Select Offset 2 function. Operator uses this button to set the multiple curves set at particular gain. Offset 2 – white colour, Operator uses this button to set the multiple curves set at particular gain. Minimum = -20dB Maximum= +20dB G1 START •...
  • Page 53 Requirements: Min. 2points, Max 10points. Different colors for multiple curves.(optional) Before recording a DAC curve the instrument must be correctly calibrated. Signals obtained from a test piece of identical material can then be compared to the curve for determination of the size of the flaw in relation to the reference reflector.
  • Page 54 Range: • Once the DGS scale is plotted and displayed on screen, user can change the range if required. The distance range mentioned in the below column is the distance along the beam path for normal and angle probes. The minimum and maximum range for each DGS scale is listed below. Sr.No.
  • Page 55 In Dynamic Mode DGS scale can be re plot as per required Range. SAVE REF • To save reference echos. Enter name to save reference – enter operator name – enter job details – Enter remark . Start : To start and stop the video •...
  • Page 56 Correction for Transfer Losses • a. For 2MHz Angle Probes In order to apply a correction to the gain X dB obtained from the table (to account for the difference between the V1 block and the test specimen) a TL curve (Transfer loss) is also shown on the DGS Scales for 2 MHz angle probes.
  • Page 57 TEST SPECIMAN Through Transmission Echo from Test Specimen Transfer Loss Correction To Assess the Flaw Size In actual test, when an indication from a discontinuity appears on the screen, the height of the indication is maximized. When the peak of this indication coincides with a curve on the DGS Scale, the equivalent reflector size is that given for the curve at the top of the scale.
  • Page 58 Setting Unv. DGS • Click on Unv. DGS menu it will turn “On” the sub menu for Universal DGS Testings reference gain always show when Unv. DGS "ON".when Unv. DGS function toggle between ON/OFF Ref. gain always reset. Operator uses this function to active Unv. DGS plotting. Pls refer Unv.
  • Page 59 Reflector Dia: • This defines the diameter of flat bottom hole (FBH) or Side Drilles Hole (SDH) used as reference reflector. The Options given are in the range 0.5 to 24.2.After Selection of DGS. Ref this button is replaced by Plot. Selected Probe Model gets plotted as shown above.
  • Page 60 Range • It is used to Increase or Decrease the range Dynamically with Curve. Reset • It is used to Reset the values. When we press Enter by selecting Reset the graph will be erased from memory and the above screen will be displayed. The DGS will be automatically turned off. Delta VT •...
  • Page 61 Procedure for plotting - Calibrate the instrument. Bring the Gate1 on 1st echo. Probe wise select frequency,Probe • Type,Probe Name,Reflector Type and Reflector Dia. For eg. Angle Probe: Select angle probe set the Angle and frequency then calibrate the probe. •...
  • Page 62 Procedure for AWS Select AWS function. Press sub menu key on Left Hand side to select Reference function. Calibrate the Instrument. Set the Probe on 1.5mm hole on reference block. Peak the echo from 1.5mm side drilled hole. Set the echo approx. 80% FSH. Bring the Gate1 on reference echo. Press Enter Key to activate Reference.
  • Page 63 6.15 License LICENSES View Table It shows the Table of the Unlicensed things for the Mentioned Sr. No. From this window Customer can activate the required Licensed Features with the help of Service Dept. Support. Please contact our Service Dept.(servicehod@eecindia.com). 6.16 Software Remote Update a.
  • Page 64 After Updation it will Install the upgraded software as shown Below. • Once this is finished Application will be loaded automatically. • After updated the software always restart the M/C • 6.18 Accessing SD card using PC USB C Connector (Charger connector) same can be used for accessing SD card of the Instrument •...

  • Page 65: Additional Features

    _____________________________________________________________ 7. Additional Features _____________________________________________________________ 7.1 Video Recording Features Click on Video menu it will turn “On” the sub menu for Video Recording as Shown Below. • Now Press Enter key to Start the video recording . Display will be as shown below: •...
  • Page 66 On click of List button Recorded sets list will be displayed on screen as shown below: • From the list window Playback OR Export option can be select-able for the selected set. Here show • the date time format when you set in clock function. DAC, Unv.

  • Page 67: Video Recording For Flexi Dgs

    • Now come out of List Screen by pressing Close button. For Export Pen Drive should be Connected to Instrument. Now Connect Pen Drive. Again Press List Button and Click on Export. Then select the set which want to export to.mp4 in Pen Drive. Screen will be as shown below. It shows the time require to Export in HH:MM:SS format.

  • Page 68: Quick Values For Parameters

    7.3 Quick Values For Parameters • Quick Values for Parameters can be seen at the Bottom of the screen in place of Main Menu. This allows you to select direct value as mention in the option for the Particular Parameter. These parameters include Gain, Velocity,Range, Delay, Frequency, Angle, Thickness, Gate Start e.g.
  • Page 69 Press Enter to select desired Quick Value. • Then Value gets applied for the selected Parameter. • • For Velocity Additional Settings are Added. Velocity can also be edited using Material Button. You can select desired material, that particular • velocity gets updated to Velocity Button.
  • Page 70 If No shear Velocity available for the Selected Material it will show the Pop Message as given Below: • If any Custom velocity Entered in the Velocity Button , does not have reference in Material Table, Shows None in the Material Sub Menu. Reference Gain : DAC &...

  • Page 71: Immersion Feature

    Pls refer DAC ref. gain Image 1 and Unv. DGS ref.gain image 2 DAC ref.gain Image 1 Unv.DGS ref.gain Image 2 7.4 Immersion Feature 7.4.1 Immersion Mode Click on Immersion menu and Select Immersion Sub menu. Click Enter to select. Use up/down •...

  • Page 72: Ascan Smoothning

    Once Immersion is ON Gate3 will be automatically turned ON, as shown in above image . Gate 3 • Parameters can be accessible from Gate OR Immersion Menu. G1 Trigger and G2 Trigger will be select-able from Same Immersion Menu. •...
  • Page 73 This is Filter OFF condition. • This is Filter ON Condition. •...

  • Page 74: Master Reset & Bug Report

    Close : Click "Close" to go back to main screen . • Master Reset : This is additional feature given by EECI. If user has set parameters to extreme limit • and want to get lower values, he can perform 'Master Reset' to get default values. Default values are...

  • Page 75: Procedure For Master Reset

    the basic functional parameters required to start testing. Report : This describes an issue or defect in a software application , this report can be exported • through pen drive. 8.1 Procedure For Master Reset Navigate menu using keys & press 'Master Reset' button.
  • Page 76 2. Click “No” to bug report without master reset. IMAGE 4 After selection Virtual keyboard screen will be displayed ref (Image 5). • IMAGE 5 Enter the issue in short description and click enter • On enter popup message is displayed ref(Image 6) Click enter key for OK. •...
  • Page 77 Select Close button from Master reset menu and click enter key ref (Image 7). • IMAGE 6 IMAGE 7 The application will load with settings. • Remove the pen drive from the device and connect to the computer. • Copy and Zip the folder name (eg: MachineReportS7000GVA) inside the pen drive and email to us •...

  • Page 78: Specifications

    _____________________________________________________________ 9. Specifications _____________________________________________________________ Display Display Type 7" high brightness LCD with Touch Panel Display Brightness 1000 nits, variable from 0% to 100% Display Update Rate 60 Hz Range 2 to 15,000 mm, in 0.1 mm steps Velocity 250 to 16,000 m/s, in 1 m/s steps Zero Offset 0 to 1000 µs, in 0.01 µs steps Display Delay...
  • Page 79 ToF Resolution Select-able 1/0.1/0.01 mm Alarms Positive and negative threshold, wall thickness WT+ve,WT-ve Alarm Indication Audio and visual indicators with vibration Gate Width Zoom For gates 1, 2, 3 Amplitude Measurement 0% to 110% FSH, with 0.1% resolution Measurement Rate Equivalent to PRF Automated Calibration •...
  • Page 80 curves with ±20 dB offset, up to 15 point curve 15 point, 18 dB/10 ns slope Curved Surface Tube, bar Correction D1.1/D1.5 Universal DGS* FlexiDGS General Overall dimensions (W x 205 mm x 130 mm x 60 mm H x D) Construction IP 65 Compact, Rugged Molded ABS, Soft Touch Weight With Battery...

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