Dakota FX70 Flaw Detector (DFX-7)

The hand-held Dakota FX70 Flaw Detector range combines state-of-the-art flaw detection with advanced material thickness capabilities.

Summary
- Summary
- Versatile
  Two gauges in one
  The Dakota FX70 Flaw Detector series has two functions, a thickness gauge and a flaw detector.
  When the Dakota FX70 Flaw Detector is set to thickness gauge it has the ability to measure coatings and material thickness simultaneously. When set to flaw detector the gauge has the ability to detect the size and position of flaws and to differentiate between flaw types in various materials and welded joints.
  Intelligent
  User definable limits for pass/fail indication
  Set hi/lo limits for pass/fail indication with audible warnings and built-in differential mode for quality control inspections.
  Powerful
  Store each measurement for further analysis
  Up to 4GB of readings can be saved into the gauge memory as each measurement is taken, which can be downloaded later into an inspection application or into DakMaster^™ Software for further analysis and reporting.
  Customisable
  Customisable tool kits and reading display
  The Dakota FX70 Ultrasonic Flaw Detector has a choice of display modes allowing the user to select the most appropriate for their needs; from A & B-Scan displays to flaw detection modes such as TRIG, DAC, TCG, Flank and Peak.
  The Dakota FX70 Flaw Detector is available in two models: Dakota FX70-DL Flaw Detector and Dakota FX71-DL Flaw Detector.
  Whether you are on-site or in the laboratory these gauges are the tool you need for all your flaw detecting needs.
  The time corrected gain (TCG) feature automatically compensates for sound attenuation through a material, further increasing the performance of the gauge.
  The Dakota FX70 Ultrasonic Flaw Detector stores up to 4GB worth of readings with A/B-scan images in alpha numeric batches with full data logging and firmware updates via USB data output to DakMaster^™ data management software.
  Features:
  Exceptional visibility in sunlight (AMOLED)
  
  colour VGA display (320x240 pixels)
  
  Sizing Toolkits: DAC, AWS, TCG, DGS
  
  Pulse Repetition Frequency: 8 to 2000Hz, adjustable
  
  Detection: Z-Cross, Flank & Peak
  
  Automatic: probe zero, probe recognition, and temperature compensation
  
  Measurement: Variety of modes to address a number of applications
  
  Large data storage with multiple formats: Alpha numeric grid and sequential with auto identifier
  
  Download to DakMaster^™ data management software
  Transducer Options
  A wide range of Shear Wave Transducers, Single Element Transducers and Transducer Wedges available
  Click Here
  DakMaster™
  From inspection to professional reports at the click of a button
  Click Here
Key Features
- Key Features
  
  Dakota FX70 Flaw Detector (DFX-7)
  
  Detection Methods
  Zero Crossing:
  The gate detects the flank of the pulse, but the measurement is taken at the next crossing of the x axis. This is the most common type of detect in ultrasonic measurement.
  Flank:
  The gate is triggered by the flank (or side) of the pulse on the graph and the measurement taken at this exact point.
  Peak:
  The gate is triggered by the intersection with the A-scan pulse and the detection is taken from the next peak in the signal (when it stops rising and starts falling).
  TRIG:
  TRIG enabling location of flaws in both surface distance and depth. Trigonometric display of beam path, depth, surface distance, and curved surface correction. Used with angle beam transducers.
  DAC:
  Distance amplitude correction for the creation of DAC curves which are used to inform the operator of the size of any given flaw at any depth.
  AWS:
  The American Weld Standard function provides automatic defect sizing in accordance with AWS D1.1 structural welding code.
  TCG:
  Time corrected gain increases gain as distance increases, in order to achieve an over all level of sensitivity for the same flaw/reflector at different distances.

Material Thickness Features
Model	FX70-DL & FX71-DL
Display Mode
Material thickness digits display
B-Scan cross sectional display
B-Scan with digits display
Scan bar display
Coating thickness display
A-Scan display	+ Rectified, - Rectified, Full Waveform (RF)
Flaw Detection Modes	TRIG, DAC, AWS, TCG, AVG/DGS
Measurement Range	Pulse Echo (PE) 0.63 - 2,440mm (0.025 – 96”) Pulse Echo (single contact) 1.0 - 30,480mm (0.040 - 1200”) Echo Echo ThruPaint™ (EE) 1.27 - 102mm (0.050 - 4.0”) Echo Echo (single delay line) 0.178 - 25.4mm (0.007 -1.00”) Echo Echo (single contact) 1.0 - 3,050mm (0.040 - 120”) Echo Echo Verify (EEV) 1.27 - 25.4mm (0.050 - 1.0”) Pulse Echo Temp Comp (PETP) 0.63 - 2,440mm (0.025 – 96”) Coating Thickness (CT) 0.0127 - 2.54mm (0.0005 - 0.100”) Pulse Echo Coating Thickness (PECT) 0.01 - 2.54mm (0.001 - 0.100”) Pulse Echo Coating Thickness (PECT) 0.63 - 2.440mm (0,025 – 96”)
Resolution	0.01mm (0.001”), 0.001mm (0.0001”) selectable
Measurement Rate (Thickness Mode)
Manual	8 readings per second
Scan Mode	50 readings per second
Scan bar display	10 readings per second
High Speed Scan Mode
Differential Mode
Limit alarm mode
B-Scan display speed	adjustable display speed
Calibration setups	64 user-definable setups transferrable to and from a PC archive
Gates	2 (flaw) and 3 (thickness) adjustable gates: start, stop, width & threshold
Damping	50, 75, 100, 300, 600, & 1500 ohms
Pulser type	Two adjustable square wave pulsers and receivers
Gain	Manual, automatic gain control (AGC) with 110dB range with 0.2dB resolution
Timing	Precision TCXO timing with single shot 100 MHz 8 bit ultra-low power digitizer
Memory and Data Logging	• 4GB internal memory • Sequential and grid logging • Alpha numeric batch identification • OBSTRUCT indicates inaccessible locations • Bitmap graphic capture and capture viewer
Data Output	USB-C
Calibration Options	single, two point, velocity, material type
Transducer recognition	Automatic
V-path / dual path error correction	Automatic
Probe Zero	Automatic
Automatic Calibration	Longitudinal (straight), or Shear (angle)
Flaw Detection Product Features
Probe Types	Single Contact, Dual, Delay & Angle
Material Velocity Table	Contains longitudinal and shear velocities for a variety of material types
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, dB, or %FSH
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
Detection Modes	Zero Crossing, Flank and Peak
Display Freeze	Hold current waveform on screen
Peak Memory	Captures peak signal amplitude
PRF	8 to 2000Hz in selectable steps (8, 16, 32, 66, 125, 250, 333, 1000, 2000Hz)
Skip Bar	Displays skip legs in the waveform area
Pulse Width	40 to 400 ns. Selectable step options 40, 80 & 400 ns (labeled spike, thin & wide)
Frequency Bands	FX70-DL & FX71-DL: Broadband 1.8 - 19MHz (-3dB) FX71-DL: Three narrow bands 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
Display	1/4 VGA AMOLED colour display 57.6 x 43.2mm (2.27 x 1.78”) viewable area
Display Refresh Rate	60Hz
Units (selectable)	mm or inches
Backlight	adjustable brightness
Repeatability / Stability Indicator
Low Battery Indicator
Battery Save Mode	Auto

Technical Information

Technical Specification

Dakota FX70 Flaw Detector (DFX-7)

Part Number	Description	Certificate
Z-220-0005	Dakota FX70-DL Flaw Detector (DFX-7)
Z-221-0005	Dakota FX71-DL Flaw Detector (DFX-7+)
Operating Temperature	-10 to 60ºC (14 to 140ºF)
Power Supply	3 x AA batteries and via USB
Battery Life²	Alkaline (12hrs), Nicad (5hrs), and NI-MH (12hrs)
Gauge Weight	397g (14oz) - including batteries
Gauge Dimensions	63.5 x 165 x 31.5mm (2.5 x 6.5 x 1.24”)
Packing List	Unit, Selectable Transducer, Couplant, Manual, Plastic Carrying Case, Certificate of Calibration and AA Batteries. PC Software and Data Transfer Cable

● Certificate of Calibration supplied as standard

Standards
- Standards
  
  Dakota FX70 Flaw Detector (DFX-7)
  
  Thickness Gauge: Factory calibration traceable to NIST & MIL-STD-45662A.
  Flaw Detector: EN12668-1 compliant.
Downloads
- Downloads
  Dakota FX70-DL Flaw Detector - Flaw Instruction Manual
  
  Dakota FX70-DL Flaw Detector - Thickness Instruction Manual
Part Numbers
- Part Numbers
  
  Dakota FX70 Flaw Detector (DFX-7)
  No data found!!
  - Dakota FX70-DL Flaw Detector (DFX-7)
    
    Part Number : Z-220-0005
  - Dakota FX71-DL Flaw Detector (DFX-7+)
    
    Part Number : Z-221-0005

Home
Flaw Detectors
Dakota FX70 Flaw Detector (DFX-7)

Dakota FX70 Flaw Detector (DFX-7)

The hand-held Dakota FX70 Flaw Detector range combines state-of-the-art flaw detection with advanced material thickness capabilities.

Versatile

Two gauges in one

The Dakota FX70 Flaw Detector series has two functions, a thickness gauge and a flaw detector.
When the Dakota FX70 Flaw Detector is set to thickness gauge it has the ability to measure coatings and material thickness simultaneously. When set to flaw detector the gauge has the ability to detect the size and position of flaws and to differentiate between flaw types in various materials and welded joints.

Dakota FX71-DL Ultrasonic Flaw Detector Measuring

Intelligent

User definable limits for pass/fail indication

Set hi/lo limits for pass/fail indication with audible warnings and built-in differential mode for quality control inspections.

Powerful

Store each measurement for further analysis

Up to 4GB of readings can be saved into the gauge memory as each measurement is taken, which can be downloaded later into an inspection application or into DakMaster^™ Software for further analysis and reporting.

Customisable

Customisable tool kits and reading display

The Dakota FX70 Ultrasonic Flaw Detector has a choice of display modes allowing the user to select the most appropriate for their needs; from A & B-Scan displays to flaw detection modes such as TRIG, DAC, TCG, Flank and Peak.

Summary

Dakota FX70 Flaw Detector (DFX-7)

The Dakota FX70 Flaw Detector is available in two models: Dakota FX70-DL Flaw Detector and Dakota FX71-DL Flaw Detector.

Whether you are on-site or in the laboratory these gauges are the tool you need for all your flaw detecting needs.

The time corrected gain (TCG) feature automatically compensates for sound attenuation through a material, further increasing the performance of the gauge.

The Dakota FX70 Ultrasonic Flaw Detector stores up to 4GB worth of readings with A/B-scan images in alpha numeric batches with full data logging and firmware updates via USB data output to DakMaster^™ data management software.

Features:

Exceptional visibility in sunlight (AMOLED)
colour VGA display (320x240 pixels)
Sizing Toolkits: DAC, AWS, TCG, DGS
Pulse Repetition Frequency: 8 to 2000Hz, adjustable
Detection: Z-Cross, Flank & Peak
Automatic: probe zero, probe recognition, and temperature compensation
Measurement: Variety of modes to address a number of applications
Large data storage with multiple formats: Alpha numeric grid and sequential with auto identifier
Download to DakMaster^™ data management software

Transducer Options

A wide range of Shear Wave Transducers, Single Element Transducers and Transducer Wedges available

Click Here

DakMaster™

From inspection to professional reports at the click of a button

Click Here

Downloads

Dakota FX70-DL Flaw Detector - Flaw Instruction Manual
Dakota FX70-DL Flaw Detector - Thickness Instruction Manual

Key Features

Dakota FX70 Flaw Detector (DFX-7)

Detection Methods

Zero Crossing:

The gate detects the flank of the pulse, but the measurement is taken at the next crossing of the x axis. This is the most common type of detect in ultrasonic measurement.

Flank:

The gate is triggered by the flank (or side) of the pulse on the graph and the measurement taken at this exact point.

Peak:

The gate is triggered by the intersection with the A-scan pulse and the detection is taken from the next peak in the signal (when it stops rising and starts falling).

TRIG:

TRIG enabling location of flaws in both surface distance and depth. Trigonometric display of beam path, depth, surface distance, and curved surface correction. Used with angle beam transducers.

DAC:

Distance amplitude correction for the creation of DAC curves which are used to inform the operator of the size of any given flaw at any depth.

AWS:

The American Weld Standard function provides automatic defect sizing in accordance with AWS D1.1 structural welding code.

TCG:

Time corrected gain increases gain as distance increases, in order to achieve an over all level of sensitivity for the same flaw/reflector at different distances.

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Product Features

Dakota FX70 Flaw Detector (DFX-7)

Material Thickness Features
Model	FX70-DL & FX71-DL
Display Mode
Material thickness digits display
B-Scan cross sectional display
B-Scan with digits display
Scan bar display
Coating thickness display
A-Scan display	+ Rectified, - Rectified, Full Waveform (RF)
Flaw Detection Modes	TRIG, DAC, AWS, TCG, AVG/DGS
Measurement Range	Pulse Echo (PE) 0.63 - 2,440mm (0.025 – 96”) Pulse Echo (single contact) 1.0 - 30,480mm (0.040 - 1200”) Echo Echo ThruPaint™ (EE) 1.27 - 102mm (0.050 - 4.0”) Echo Echo (single delay line) 0.178 - 25.4mm (0.007 -1.00”) Echo Echo (single contact) 1.0 - 3,050mm (0.040 - 120”) Echo Echo Verify (EEV) 1.27 - 25.4mm (0.050 - 1.0”) Pulse Echo Temp Comp (PETP) 0.63 - 2,440mm (0.025 – 96”) Coating Thickness (CT) 0.0127 - 2.54mm (0.0005 - 0.100”) Pulse Echo Coating Thickness (PECT) 0.01 - 2.54mm (0.001 - 0.100”) Pulse Echo Coating Thickness (PECT) 0.63 - 2.440mm (0,025 – 96”)
Resolution	0.01mm (0.001”), 0.001mm (0.0001”) selectable
Measurement Rate (Thickness Mode)
Manual	8 readings per second
Scan Mode	50 readings per second
Scan bar display	10 readings per second
High Speed Scan Mode
Differential Mode
Limit alarm mode
B-Scan display speed	adjustable display speed
Calibration setups	64 user-definable setups transferrable to and from a PC archive
Gates	2 (flaw) and 3 (thickness) adjustable gates: start, stop, width & threshold
Damping	50, 75, 100, 300, 600, & 1500 ohms
Pulser type	Two adjustable square wave pulsers and receivers
Gain	Manual, automatic gain control (AGC) with 110dB range with 0.2dB resolution
Timing	Precision TCXO timing with single shot 100 MHz 8 bit ultra-low power digitizer
Memory and Data Logging	• 4GB internal memory • Sequential and grid logging • Alpha numeric batch identification • OBSTRUCT indicates inaccessible locations • Bitmap graphic capture and capture viewer
Data Output	USB-C
Calibration Options	single, two point, velocity, material type
Transducer recognition	Automatic
V-path / dual path error correction	Automatic
Probe Zero	Automatic
Automatic Calibration	Longitudinal (straight), or Shear (angle)
Flaw Detection Product Features
Probe Types	Single Contact, Dual, Delay & Angle
Material Velocity Table	Contains longitudinal and shear velocities for a variety of material types
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, dB, or %FSH
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
Detection Modes	Zero Crossing, Flank and Peak
Display Freeze	Hold current waveform on screen
Peak Memory	Captures peak signal amplitude
PRF	8 to 2000Hz in selectable steps (8, 16, 32, 66, 125, 250, 333, 1000, 2000Hz)
Skip Bar	Displays skip legs in the waveform area
Pulse Width	40 to 400 ns. Selectable step options 40, 80 & 400 ns (labeled spike, thin & wide)
Frequency Bands	FX70-DL & FX71-DL: Broadband 1.8 - 19MHz (-3dB) FX71-DL: Three narrow bands 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
Display	1/4 VGA AMOLED colour display 57.6 x 43.2mm (2.27 x 1.78”) viewable area
Display Refresh Rate	60Hz
Units (selectable)	mm or inches
Backlight	adjustable brightness
Repeatability / Stability Indicator
Low Battery Indicator
Battery Save Mode	Auto

Technical Specification

Dakota FX70 Flaw Detector (DFX-7)

Part Number	Description	Certificate
Z-220-0005	Dakota FX70-DL Flaw Detector (DFX-7)
Z-221-0005	Dakota FX71-DL Flaw Detector (DFX-7+)
Operating Temperature	-10 to 60ºC (14 to 140ºF)
Power Supply	3 x AA batteries and via USB
Battery Life²	Alkaline (12hrs), Nicad (5hrs), and NI-MH (12hrs)
Gauge Weight	397g (14oz) - including batteries
Gauge Dimensions	63.5 x 165 x 31.5mm (2.5 x 6.5 x 1.24”)
Packing List	Unit, Selectable Transducer, Couplant, Manual, Plastic Carrying Case, Certificate of Calibration and AA Batteries. PC Software and Data Transfer Cable

● Certificate of Calibration supplied as standard

Standards

Dakota FX70 Flaw Detector (DFX-7)

Thickness Gauge: Factory calibration traceable to NIST & MIL-STD-45662A.

Flaw Detector: EN12668-1 compliant.

Part Numbers

Dakota FX70 Flaw Detector (DFX-7)

Dakota FX70-DL Flaw Detector (DFX-7)
- Part Number : Z-220-0005
Dakota FX71-DL Flaw Detector (DFX-7+)
- Part Number : Z-221-0005