Flaw detectors DFX-7+

• Size: 2.5W x .5H x 1.24D in (63.5 x 165 x 31.5mm).
• Weight: 14 ounces (.397kgs), with batteries.
• Case: Extruded aluminum body with nickel plated aluminum end caps (gasket sealed).
• Display: 1/4 VGA AMOLED color display (320 x 240 pixels). Viewable area 1.7 x 2.27 in (43.2 x 57.6 mm). 16 color pallete, multiple color options, and variable brightness.
• Screen Refresh Rate: Selectable 60 or 120Hz.
• Display Views: Flaw Detector: Full wave, +/- Rectified, or RF. Thickness Gauge: Digits, +/- Rectified, RF, or B-Scan.
• Timing: Precision 25MHz TCXO 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.

CALIBRATION

• Automatic Calibration: Longitudinal (straight), or Shear (angle).
• Probe Types: Single Contact, Dual, Delay, and Angle .
• English (in), Metric (mm), or Time (μs).
• Velocity: 0.0100 to .6300 in/μs (256–16,000 m/s).
• Test Range: 0 to 0.280in (7.11mm) 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 and receivers.
• P.R.F.: 8 to 333Hz in selectable steps (8, 16, 32, 66, 125, 250, 333Hz).
• Pulser Voltage: 200 volt peak amplitude, rise/fall time < 10ns into 50ohm.
• Pulse Width: 40 to 400 ns. Selectable step options (spike, thin or wide).

• Gain: 0 to 110dB with 0.2dB resolution. Manual and AGC control.
• Damping: 50, 75, 100, 300, 600, & 1500 ohms.
• Frequency Bands: DFX-7 & 7+: Broadband 1.8 – 19 MHz (-3dB). DFX-7+: Three narrow bands centered at 2MHz, 5MHz, 10MHz.
• 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.

FLAW DETECTOR: FEATURES

• TRIG: Trigonometric display of beam path, depth, surface distance, and curved surface correction. Used with angle beam transducers.
• DAC: Up to 8 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 8 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.

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 (PECT) – (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 & Flaw Detection) 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 & 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.

MEMORY

• Log Formats: Grid (Alpha Numeric), or Sequential (Auto Identifier).
• Graphics On: 8,000 readings, A/B Scan image, & all gauge settings for every reading.
• Graphics Off: 210,000 readings (coating, material, min & max. (Thickness gauge only).
• Custom Setups: 64 user configurations.

POWER SOURCE

• Battery: Three 1.5V alkaline, 1.2V AA Nicad cells, 1.2V AA NI-MH, or other other equivalent power source. Battery life (continuous use): Alkaline (12hrs), Nicad (5hrs), and NI-MH (12hrs), with default settings.

CONNECTIONS

• Output: RS232 serial interface. PC software & USB converter cable included.
• Transducer Connectors: Two LEMO 00 connectors.

CERTIFICATION

• Thickness Gauge: Factory calibration traceable to NIST & MIL-STD-45662A.
• Flaw Detector: EN12668-1 compliant.

WARRANTY

• 2 year limited