Dakota CMX Corrosion Thickness Gauges

The Dakota CMX ultrasonic corrosion thickness gauge is available in four models - from an entry level Dakota CMX1-DL Ultrasonic Thickness Gauge to the top of the range Dakota CMX3-DL Ultrasonic Thickness Gauge.

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  • The Dakota CMX ultrasonic corrosion thickness gauge is available in four models - from an entry level Dakota CMX1-DL Ultrasonic Thickness Gauge to the top of the range Dakota CMX3-DL Ultrasonic Thickness Gauge.

    • Range of display & measurement options: Pulse-Echo, Echo-Echo, Pulse-Echo Temp, Comp Mode (PETP), Coating Only Mode (CT), Pulse-Echo Coating Mode (PECT)
    • Manual or automatic gain control (AGC) with adjustable 110dB range
    • Gate control
    • Threshold adjustment
    • 64 User defined setups
    • Multiple language display
    • Multiple calibration and material selection options
    • High speed scan mode: 250 readings per second (Dakota CMX1-DL Ultrasonic Thickness Gauge), 50 readings per second (Dakota CMX2-DL Ultrasonic Thickness Gauge and Dakota CMX3-DL Ultrasonic Thickness Gauge)
    • A-Scan portrait & landscape views (Dakota CMX3-DL Ultrasonic Thickness Gauge only)
    • Differential and minimal thickness alarm modes
    • Data output and storage: 4GB internal memory
    • Download to DakMaster™ data management software
  • Model CMX1-DL CMX2-DL CMX3-DL
    Display Mode
    Material thickness digits display
    X
    X
    X
    B-Scan cross sectional display
    X
    X
    X
    Combined B-Scan and digits display
    X
    X
    X
    Coating Thickness Display
    X
    X
    X
    Scan Bar Display
    X
    X
    X
    A-Scan Display
     
    + Rectified, - Rectified, Full Waveform (RF)
    + Rectified, - Rectified, Full Waveform (RF) Portrait & landscape views
    Measurement Range
    PE: 0.63 - 1219.2mm
    (0.025 - 48”)
    PETP: 0.63 - 1219.2mm
    (0.025 - 48”)
    EE: 2.54 - 152.4mm
    (0.100 - 6.0“)
    EEV: 1.27 - 25.4mm
    (0.050 - 1.0”)
    CT: 0.01 - 2.54mm
    (0.0005 - 0.100”)
    PECT: 0.63 - 1219.2mm
    (0.025 - 48”)
    PECT: 0.01 - 2.54mm
    (0.001 - 0.100")
    PE: 0.63 - 1219.2mm
    (0.025 - 48”)
    PETP: 0.63 - 1219.2mm
    (0.025 - 48”)
    EE: 2.54 - 152.4mm
    (0.100 - 6.0“)
    EEV: 1.27 - 25.4mm
    (0.050 - 1.0”)
    CT: 0.01 - 2.54mm
    (0.0005 - 0.100”)
    PECT: 0.63 - 1219.2mm
    (0.025 - 48”)
    PECT: 0.01 - 2.54mm
    (0.001 - 0.100")
    PE: 0.63 - 1219.2mm
    (0.025 - 48”)
    PETP: 0.63 - 1219.2mm
    (0.025 - 48”)
    EE: 2.54 - 152.4mm
    (0.100 - 6.0“)
    EEV: 1.27 - 25.4mm
    (0.050 - 1.0”)
    CT: 0.01 - 2.54mm
    (0.0005 - 0.100”)
    PECT: 0.63 - 1219.2mm
    (0.025 - 48”)
    PECT: 0.01 - 2.54mm
    (0.001 - 0.100")
    Measurement Rate
    Manual
    8 readings per second
    8 readings per second
    8 readings per second
    Scan Mode
    250 readings per second
    50 readings per second
    50 readings per second
    Scan bar display
    33 Hz
    33 Hz
    33 Hz
    Measurement Resolution
    0.01mm (0.001”)
    0.01mm (0.001”), 0.001mm (0.0001”) selectable
    0.01mm (0.001”), 0.001mm (0.0001”) selectable
    Velocity Calibration Range
    309.88 - 18,542m/s
    (0.0122 - 0.7300in/µs)
    309.88 - 18,542m/s
    (0.0122 - 0.7300in/µs)
    309.88 - 18,542m/s
    (0.0122 - 0.7300in/µs)
    Additional Features
    High Speed Scan Mode
     
     
    X
    Differential Mode
     
     
    X
    Limit alarm mode
     
     
    X
    B-Scan Display Speed
    10 to 200 readings per second
    10 to 200 readings per second
    10 to 200 readings per second
    Flaw Mode
     
    Basic prove-up flaw detection using single element angle beam transducers
    Basic prove-up flaw detection using single element angle beam transducers
    Calibration Setups
     
     
    64 user-definable setups transferable to and from a PC archive
    Gates
     
    3 fully adjustable gates: start, stop, width & threshold
    3 fully adjustable gates: start, stop, width & threshold
    Damping
     
    Adjustable damping (50 - 1500ohms)
    Adjustable damping (50 - 1500ohms)
    Pulser Type
    Dual square wave pulsers
    Pulse repetition frequency up to 250Hz
    Dual square wave pulsers
    Pulse repetition frequency up to 250Hz
    Dual square wave pulsers
    Pulse repetition frequency up to 250Hz
    Gain
    Manual or automatic gain control (AGC) with 110dB range (limited)
    Manual, automatic gain control (AGC) with 110dB range (limited), Linear time dependent gain (TDG) with adjustable slope
    Manual, automatic gain control (AGC) with 110dB range (limited), Linear time dependent gain (TDG) with adjustable slope
    Timing
    Precision temperature controlled crystal oscillator (TCXO) timing with single shot 100MHz 8bit ultra-low power digitizer
    Precision temperature controlled crystal oscillator (TCXO) timing with single shot 100MHz 8bit ultra-low power digitizer
    Precision temperature controlled crystal oscillator (TCXO) timing with single shot 100MHz 8bit 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
    • 4GB internal memory
    • Sequential and grid logging
    • Alpha numeric batch identification
    • OBSTRUCT indicates inaccessible locations
    • Bitmap graphic capture and capture viewer
    • 4GB internal memory
    • Sequential and grid logging
    • Alpha numeric batch identification
    • OBSTRUCT indicates inaccessible locations
    • Bitmap graphic capture and capture viewer
    Calibration Options
    1 - point
    X
    X
    X
    2 - point
    X
    X
    X
    Material selection
    X
    X
    X
    Velocity (speed of sound)
    X
    X
    X
    Transducer Probe Type
    Dual element
    Dual Element, Single Element (1 - 20Mhz), Contact
    Dual Element, Single Element (1 - 20Mhz), Contact
    Transducer Frequency Range
    1 - 10MHz
    1 - 10MHz
    1 - 20MHz
    Transducer Recognition
    Automatic & manual - selectable from a list
    Automatic & manual - selectable from a list
    Automatic & manual - selectable from a list
    V-path / dual path error correction
    Automatic
    Automatic
    Automatic
    Probe Zero
    Automatic & manual (via integrated probe disk)
    Automatic & manual (via integrated probe disk)
    Automatic & manual (via integrated probe disk)
    Display
    1/8 VGA (greyscale)
    62 x 45.7mm (2.4 x 1.8”) viewable area
    1/8 VGA (greyscale)
    62 x 45.7mm (2.4 x 1.8”) viewable area
    1/4 VGA AMOLED colour display
    57.6 x 43.2mm (2.27 x 1.78”) viewable area
    Landscape Mode
    Display Refresh Rate
    25Hz
    25Hz
    60Hz
    Units (selectable)
    mm or inches
    mm or inches
    mm or inches
    LED Backlight
    on/off/auto
    on/off/auto
    adjustable brightness
    Repeatability / Stability Indicator
    X
    X
    X
    Battery Save Mode
    Auto
    Auto
    Auto
  • Part Number Description Certificate
    Z-171-0005 Dakota CMX1-DL Thickness Gauge (CMX-DL)
    X
    Z-172-0005 Dakota CMX2-DL Thickness Gauge (CMX-DL+)
    X
    Z-187-0005 Dakota CMX3-DL Thickness Gauge (CMX-DL+ Colour)
    X
    Transducer Probe Type Dual Element
    Measurement Accuracy1 0.01mm (0.001”)
    Memory 4GB Internal Memory
    Operating Temperature -10 to 60ºC (14 to 140ºF)
    Data Output USB
    Power Supply 3 x AA batteries and via USB
    Battery Life Alkaline: greyscale 35 hrs, colour 12 hrs, Nicad: greyscale 10 hrs, colour 5 hrs, NI-MH: greyscale 35 hrs, colour 12 hrs
    Gauge Weight 383g (13.5oz) - 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 included with data logging gauges.