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OKOndt GROUP Eddycon C Quick Start Manual

Eddy current flaw detector
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Eddy current flaw detector
Eddycon C
Quick start guide
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Summary of Contents for OKOndt GROUP Eddycon C

  • Page 1 Eddy current flaw detector Eddycon C Quick start guide www.okondt.com...

  • Page 2: Table Of Contents

    CONTENTS 1 CONTROLLERS OF EDDYCON C FLAW DETECTOR ............3 2 SETTINGS OF «TEST» MENU ...................... 5 3 INSTRUCTIONS FOR USE ......................7 3.1 THRESHOLD LEVELS SETUP....................7 3.2 SINGLE COIL PROBE ......................10 3.3 REFLECTION, DIFFERENTIAL PROBE ................. 16 3.4 ROTATION PROBE ........................

  • Page 3: Controllers Of Eddycon C Flaw Detector

    CONTROLLERS OF EDDYCON C FLAW DETECTOR 1.1 The flaw detector is operated by one operator who has a corresponding level of qualification and has studied the present “Quick start guide”. ASSIGNMENT OF KEYBOARD BUTTONS automatically puts a displayed signal from lift-off (or from any interference) in horizontal position;...
  • Page 4 quick access to "VIEW" menu quick access to "MEMORY" menu; confirms the saving of the entered name of the file or folder while operating in "MEMORY" menu quick access to "CALIBRATION" menu automatically sets the parameters of single coil (parametric) ECP with switched on Single input;...

  • Page 5: Settings Of «Test» Menu

    SETTINGS OF «TEST» MENU FIGURE 1 - Settings of «TEST» menu ∎ Navigation menu: FREQ – test frequency. Operating frequency of ECP. PRE AMP – preamplifier gain. It is used to amplify weak signals. GAIN – main gain. It is used to amplify weak signals. H GAIN –...
  • Page 6 changing the gap between ECP and the object of testing, 3) in case of change of electromagnetic properties of the material, etc.). BP – band pass filter. It is used to create bandwidth of useful eddy-current signals - signals from defects and to filter out low-frequency and high-frequency signals from noise.

  • Page 7: Instructions For Use

    INSTRUCTIONS FOR USE 3.1 THRESHOLD LEVELS SETUP ∎ Setup of "Circle" type frame To set up circle type frame, operator should select "Type: " in special item of settings ALARM – FIGURE 2 – Setup of "Type: " of threshold level "R:"...
  • Page 8 ∎ Setup of "Sector" type frame To set up sector type frame, operator should select "Type: " in special item of settings ALARM – β α FIGURE 4 – Setup of "Type: " of threshold level "R:" parameter variation allows changing of the inner radius of threshold level.
  • Page 9 Х1 Х2 FIGURE 5 – Threshold level setup of "Type: " "X1:" parameter variation allows changing of the angle position of threshold level in X1-direction. "X2:" parameter variation allows changing of the angle position of threshold level in X2-direction. "Y1:" parameter variation allows changing of the angle position of threshold level in Y1-direction.

  • Page 10: Single Coil Probe

    ECP Lemo 00-Lemo 00 Lemo 00 Lemo 00 Lemo 00 Microdot Lemo 00 Microdot/M5 Microdot Lemo 00-BNC Lemo 00 Single coil (parametric) eddy current probe (ECP) connector FIGURE 6 – Eddycon C eddy current flaw detector. Right side panel...
  • Page 11 Note. Changing of the following parameters is performed using the buttons 3.2.2 Select parameter "PROBE"– "Single" type (pos. 14, 3.2.3 FIGURE 1). 3.2.4 3.2.5 Set the ECP frequency " FREQ" (pos. 1, 3.2.6 FIGURE 1) in a range specified in the registration certificate for the ECP.
  • Page 12 EC signal from lift-off before “AUTO LIFT” FIGURE 8 – Operations with signal from lift-off In case if the first attempt to put the signal from the lift-off horizontally failed, it is necessary to repeat the steps described above, or put the lift-off signal manually using the phase change ( parameter).
  • Page 13 3.2.15 FIGURE 1). FIGURE 10 – Operations with preamplifier “ PRE AMP” and gain “ GAIN” 3.2.16 After changing any parameter that affects the absolute value of the signal it is necessary to perform balancing by pressing button. 3.2.17 While testing materials of aluminum and titanium alloys, it is recommended to use the vertical gain "...
  • Page 14 3.2.18 To suppress high frequency noise it is recommended to activate LP filter. FIGURE 12 – Operations with LP filter 3.2.19 Select the required type of a threshold level. 3.2.19.1 Setting will be demonstrated on the example of threshold level type “...
  • Page 15 FIGURE 13 – Operations with threshold 3.2.24 In case of need of automatic screen clearing, click the button and at the parameter “Persistence” choose the time after which the screen is cleared. 3.2.25 By repeated pressing of button, it is possible to select a convenient type of the signals display on the screen of the flaw detector...

  • Page 16: Reflection, Differential Probe

    Lemo Triax (Reflection) Lemo Triax Lemo 16 - Lemo Triax Lemo 16 Lemo Triax (Bridge) Lemo Triax Universal connector for eddy current probe (ECP) and eddy current rotary scanner FIGURE 14 – Eddycon C eddy current flaw detector. Right side panel...
  • Page 17 3.3.2 Select parameter "PROBE"– "Reflection" or "Bridge" type (in the "TEST" menu). 3.3.3 Setting will be demonstrated on the example of «Bridge» type probe. FIGURE 15 – Operations with probe type 3.3.4 Set the ECP frequency " FREQ" (pos. 1, 3.3.5 FIGURE 1) in a range specified for the ECP in the registration certificate.
  • Page 18 3.3.10 Increasing the gain on preamplifier “ PRE AMP” and gain “ GAIN” you should maximize the signal amplitude, but at the same monitor behind parameters of the input circuit (pos. 17, 3.3.11 FIGURE 1). 3.3.12 After changing any parameter that affects the absolute value of a signal it is necessary to perform balancing by pressing button.
  • Page 19 3.3.14 For convenience, it is recommended to select the position of the center of the complex plane in the middle of the screen - - complex plane center, or at the bottom center of the 3.3.15 To correct the ECP signal phase use parameter.
  • Page 20 FIGURE 20 – Threshold level set up 3.3.19 In case of need of automatic clearing of the screen, click the button and on the parameter "Persistence" choose the time, after which the screen is to be cleared. 3.3.20 Repeatedly pressing the button, one can select a user friendly type of the signals displaying on the screen of the flaw detector.

  • Page 21: Rotation Probe

    Connector view Eddycon C scanner Lemo 16 - Lemo 16 Lemo 16 Lemo 16 (ROTARY) Lemo 16 Universal connector for eddy current probe (ECP) and eddy current rotary scanner FIGURE 21 – Eddycon C eddy current flaw detector. Right side panel...
  • Page 22 3.4.2 Connect the ECP to the rotary scanner. Approximate marks on the case of the probe and scanner should coincide. 3.4.3 Without applying excessive force insert the ECP into the scanner. In case, when carrying out the connection you feel that the mating connectors rest at each other, but the marks on the cases match, you must slightly decline the ECP from the vertical axis and insert the ECP until it stops.
  • Page 23 3.4.8 Set the ECP drive " DRIVE" (pos. 6, 3.4.9 FIGURE 1) recommended in a registration certificate for the ECP. 3.4.10 Set the required rounds for the scanner (RPM). 3.4.11 Put the ECP into the hole of the calibration block. 3.4.12 For activation press the switched on/off button on the case of the rotary scanner.
  • Page 24 FIGURE 25 – Basic rotary scanner signal (with BP filtering) 3.4.15 Increasing the gain on preamplifier “ PRE AMP” and gain “ GAIN” maximize the signal amplitude, but at the same monitor behind parameters of the input circuit (pos. 17, 3.4.16 FIGURE 1).
  • Page 25 3.4.18 After changing any parameter that affects the absolute value of the signal it is necessary to perform balancing by pressing button. 3.4.19 Select the required type of a threshold level. 3.4.19.1 Setting will be demonstrated on the example of threshold level type "...
  • Page 26 FIGURE 28 – Different display types...

  • Page 27: Conductivity" Measurement

    Connector view Eddycon C scanner Lemo 16 - Lemo 04 Lemo 16 Lemo 04 (CONDUCTIVITY) Lemo 04 Universal connector for eddy current probe (ECP) and eddy current rotary scanner FIGURE 29 – Eddycon C eddy current flaw detector. Right side panel...
  • Page 28 3.5.2 Setting up the device for measuring the conductivity and the thickness of non-conductive coatings 3.5.2.1 To use the Eddycon C for Conductivity measurement requires the following:  Eddycon C flaw detector;  Standard 60 kHz Probe (CP-13) and Cable (Lemo 16 - Lemo 04 Conductivity).
  • Page 29 3.5.6 In the menu «TEST» under the position «Current set», choose by buttons the appropriate setting for the measurement at a specified frequency and press the button to activate the settings. «CP13 – 60 kHz»; «CP13 – 480 kHz». FIGURE 31 –...
  • Page 30 3.5.9 Before beginning the calibration:  at positions of Cond 1 (the lower conductivity value) and Cond 2 (higher conductivity value), set up the parameter values of calibration blocks conductivity, which should be calibrated, using the buttons;  at position Gap, set up the gap value of 20 mil [0.5 mm]; ...
  • Page 31 FIGURE 33 – Entering the conductivity value for the sample Cond 2 3.5.15 To put on the sample with Cond 1 conductivity the gap element (20 mil [0.5 mm]), set the eddy current probe on the sample and press FIGURE 34 – Entering the gap value for setting on the Cond 1 sample 3.5.16 After carrying out the setting up procedure, you can proceed with the measurement of electric conductivity at real objects.
  • Page 32 Max. 3.5.19 Measuring Conductivity Coating Thickness with Eddycon C Guidelines for successful operation: - For accurate measurement of conductivity the surface coating thickness should be 0.5 mm (0.020 inches). - The surface to be measured should be flat, or of the same curvature as the calibration standards.