DFX-8
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DFX-8 Flaw Detector & Thickness Gauge

THICKNESS GAUGE

 FLAW DETECTOR
  • Pulser Voltage: 100 – 200 volt square wave.
  • Gain: 0 – 110 dB range.
  • Filters: Wide, 1, 2, 5 & 10 MHz
  • Sizing Toolkits: DAC, AWS, TCG, DGS.
  • Blanview sunlight viewable QVGA display (320×240 pixels).
  • P.R.F. – 8Hz to 2kHz, adjustable.
  • Screen Refresh Rate: 60 Hz.
  • Detection Modes: Z-Cross, Flank & Peak.
  • Auto: probe zero, probe recognition, and temperature compensation.
  • Transducer Types:  Dual element, Single Contact & Delay line.
  • Measurement Modes: Includes pulse-echo (P-E), echo-echo (E-E), echo-echo verify (E-EV), pulse-echo coating (PECT), pulse-echo temperature compensation (PETP) & coating only (CT) modes to address a variety of applications.
  • Three independent gates.
  • Large data storage with multiple formats: Alpha numeric grid and sequential w/auto identifiers.
  • Store up to 64 custom setups.
specifications
General Size: 8.5W x 6.5H x 2.5D in (216 x 165 x 70mm).
Weight: 4.5 lbs (2.04 kgs), with batteries.
Case: Extruded aluminum body with nickel plated aluminum end caps (gasket sealed).
Display: Blanview sunlight readable QVGA TFT color display (320 x 240 pixels). Viewable area 4.54 x 3.40 in (115.2 x 86.4 mm), or 5.7 in (144.78 mm) diagonal. 16 color palette, multiple color options and variable
brightness.
Screen Refresh Rate: 60Hz.
Display Views: Flaw Detector: Full wave, +/- Rectified, or RF. Thickness Gauge: Digits, +/- Rectified, RF, or B-Scan.
Timing: Precision TCXO timing with single shot 100 MHz 8 bit ultra low power digitizer.
Measurement Gates: Two independent gates (Flaw), and three gates (thickness). Start & width adjustable over full range. Amplitude 5-95%, 1% steps. Positive or negative triggering for each gate with audible and visual alarms.
Operating Temperature: 14 to 140F (-10C to 60C).
Environmental: Meets IP65 requirements.
Receiver Gain: 0 to 110dB with 0.2dB resolution. Manual and AGC control.
Damping: 50, 75, 100, 300, 600, & 1500 ohms.
Frequency Bands: Broadband 1.8 – 19 MHz (-3dB). Four narrow bands at 1MHz, 2MHz, 5MHz, 10MHz. DFX-8+ additional narrow bands at 0.5 & 15MHz
Horizontal Linearity: +/- 0.4% FSW.
Vertical Linearity: +/- 1% FSH.
Amplifier Linearity: +/- 1 dB.
Amplitude Measurement: 0 to 100% FSH, with 1% resolution.
Delay: 0 – 999in (25,375mm) at steel velocity
Transducer Delay line: High Frequency single element delay line style for precision testing of thin materials.
Pencil: High Frequency single element delay line style for testing of materials in tight access areas and difficult
geometries.
Contact: Single element contact style for general purpose
longitudinal & Shear wave flaw detection.
Dual: Pitch/Catch dual element style for longitudinal and Shear wave corrosion inspections.
Video Remote Commander: Java PC software allows remote display and control for training/presentation purposes, and custom system integration.
Memory Log Formats: Grid (Alpha Numeric), or Sequential (Auto Identifier).
4 GB internal and up to 64 GB External SD slot.
Screen Capture: bitmap graphic capture for quick documentation.
Custom Setups: 64 user configurations.
Windows PC & MAC OSX software.
Calibration Automatic Calibration: Longitudinal (straight), or Shear (angle).
Probe Types: Single Contact, Dual, Delay, and Angle.
Units: English (in), Metric (mm), or Time (μs).
English (in), Metric (mm), or Time (μs).
Velocity: 0.0100 to .6300 in/μs (256–16,000 m/s).
Test Range: 0 to 0.303in (7.70mm) minimum, to 1200in (30,480mm) maximum at steel velocity. Continuously variable.
Zero Offset (Probe Zero): 0–999.999 μs.
Material Velocity Table: Contains longitudinal and shear velocities for a variety of material types.
Pulser Pulser Type: Two adjustable square wave pulsers.
P.R.F.: 8 to 2000Hz in selectable steps (8, 16, 32, 66, 125, 250, 333, 1000, 2000Hz).
Pulser Voltage: 100 – 200 volt peak amplitude, rise/fall time < 10ns into 50ohm.
Pulse Width: 40 to 400 ns. Selectable step options 40, 80 & 400 ns (labeled spike, thin and wide).
Power Source Lithium Ion Pack: 10.8v, 2 amp hrs, typical operation 18hrs.
Battery Backup: Emergency battery backup. Six 1.5V alkaline, 1.2V AA Nicad cells, 1.2V AA NI-MH, or other other equivalent power source.
Battery life (continuous use): Alkaline (12 hrs), Nicad (5hrs), and NI-MH (12hrs), with default settings.
Connections USB: Direct USB 1.1 PC connectivity.
Power Connector: 12v @ 2 Amps, adapter 100-240 VAC, .7 Amps, 50-60 Hz.
5 Pin LEMO (includes):
RS232 Output: RS232 PC serial interface.
Alarm Outputs: Two independent alarm outputs triggered by the gates.
Transducer Connectors: Two LEMO 00 connectors.
Thickness Gauge: Features Measurement Modes (Dual Element):
Pulse-Echo Mode (P-E) – (Pit & Flaw Detection) measures from 0.025 in to 100 ft. (0.63mm to 3048 cm).
Pulse-Echo Coating Mode – (Material, Coating, Pit & Flaw Detection): Material: 0.025 in to 100 ft. (0.63mm to 3048 cm). Coating: 0.001 to 0.100 inches (0.01 to 2.54 millimeters).
Pulse-Echo Temp Comp Mode (PETP) – (Pit & FlawDetection) Auto temperature compensation – measures from 0.025 in to 100 ft. (0.63 mm to 3048 cm).
Echo-Echo Mode (E-E) – (Thru Paint & Coatings) measures from 0.050 to 4.0 inches (1.27 to 102 millimeters). Will vary based on coating.
Echo-Echo Verify (E-EV) – (Thru Paint & Coatings) measures from 0.050 to 1.0 inches (1.27 to 25.4 millimeters). Will vary based on coating.
Coating Only Mode (CT) – (Coating Thickness) Measures from 0.0005 to 0.100 inches (0.0127 to 2.54 millimeters). Range will vary +/- depending on the coating.
One and two point calibration option for material and coating, or selection of basic material types.
Auto probe zero, recognition and temperature compensation.
High speed scan up to 50 readings per second.
Audible alarm with hi/lo limits.
Built-in differential mode for QC inspections.
64 custom setup configurations.
Certification Thickness Gauge: Factory calibration traceable to NIST & MIL-STD-45662A.
Flaw Detector: EN12668-1 compliant.
Warranty 2 year limited
Flaw Detector: Features TRIG: Trigonometric display of beam path, depth, surface distance, and curved surface correction. Used with angle beam transducers.
DAC: Up to 16 points may be entered and used to digitally draw a DAC curve. Reference -2, -6, -10, (-6/-12), (-6/-14), (-2/-6/-10) dB. Amplitude displayed in %DAC or dB.
AWS: Automatic defect sizing in accordance with AWS D1.1 structural welding code.
AVG/DGS: Automatic defect sizing using probe data. Stores up to 64 custom setups.
TCG: Time corrected gain. 50 dB dynamic range, 20 dB per microsecond, up to 16 points for curve definition.
Measurement Mode: Pulse-Echo (P-E) measures from 0.025 in to 100 ft. (0.63mm to 3048 cm).
Auto-Cal: Provides automatic calibration with two reference points.
Detection Modes: Zero Crossing, Flank and Peak.
Display Freeze: Hold current waveform on screen.
Peak Memory: For echodynamic pattern determination.
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