Dakota Ultrasonics CMX DL Ultrasonic Thickness Gauge

  • Powered by a 100MHz DSP platform using FPGA technology.
  • Two Channels – Dual pulsers and receivers.
  • Up to 250Hz pulse repetition rate.
  • The display update rate of 25 times per second.
  • Adjustable gain settings – v-low, low, med, hi, v-hi.
  • Automatic gain control (AGC).
  • Time corrected gain (TCG).
  • 4-gigabyte Internal SD memory card.

Features

  • Measurement modes: Pulse-Echo, Pulse-Echo w/Coating, Pulse-Echo w/Temperature Compensation, Echo-Echo, Echo-Echo verify, & Coating Only.
  • Automatic: probe zero, probe recognition, and temperature compensation.
  • Stores up to 64 custom setups for specific applications.
  • High-Speed Scan of up to 250 readings per second.
  • Audible/visual alarm with hi and lo limit settings.
  • Built-in differential mode for QC inspections.
  • Time-based B-Scan feature for cross-section material scans.
  • Data storage formats: Alphanumeric grid and sequential w/auto identifier.
  • Windows PC or MAC OSX software included.
  • 2-year limited warranty.

Physical

  • Weight: 13.5 ounces (with batteries).
  • Size: 2.5 W x 6.5 H x 1.24 D inches (63.5 W x 165 H x 31.5 D mm).
  • Operating Temperature: -14° to 140°F (-10° to 60°C).
  • Keyboard: Membrane switch with twelve tactile keys.
  • Case: Extruded aluminum body with nickel-plated aluminum end caps (gasket sealed).
  • Data Output: USB-C port. Windows® PC interface software.
  • Display: 1/8 in. VGA grayscale display
  • (240 x 160 pixels). Viewable area 2.4 x 1.8 in. (62 x 45.7mm).
  • EL backlit (on/off/auto).

Measuring

  • Range: Pulse-Echo Mode (P-E): (Pit&Flaw Detection) measures from 0.025 48.0 inches (0.63 to 1219.2 millimeters).
  • Pulse-Echo Coating Mode (PECT): (Material, Coating, Pit & Flaw Detection): Material: 0.025 to 48.0 inches (0.63 to 1219.2 millimeters). 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 48.0 inches (0.63 to 1219.2 millimeters).
  • Echo-Echo Mode (E-E): Thru Paint & Coatings) measures from 0.100 to 6.0 inches (2.54 to 152.4 millimeters). The range will vary +/- depending on the coating.
  • Echo-Echo Mode (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). The range will vary +/- depending on the coating.
  • Resolution: +/- .001 inches (0.01 mm)
  • Velocity Range: .0122 to .7300 in./ms (309.88 to 18542 meters/sec)
  • Calibration: Single and Two point calibration option for material & coating, or selection of basic material types.
  • Units: English & Metric

Memory 

  • Log Formats: Grid (alphanumeric)
    Sequential (auto identifier)
  • Capacity: 4 Gb internal SD card.
  • Screen Capture: Bitmap graphic capture for quick documentation (.tif).
  • OBSTRUCT to indicate inaccessible locations.

Ultrasonic Specifications

  • Measurement Modes: Coating Off: Pulse-Echo (P-E)
  • Coating On: Pulse-Echo Coating (PECT)
  • Temp Comp: Pulse-Echo (PETP)
  • Thru-Paint: Echo-Echo (E-E)
  • Thru-Paint Verify: Echo-Echo Verify (E-EV)
  • Coating Only: Coating (CT)
  • Pulser: Dual square wave pulsers.
  • Receiver: Dual receivers – manual or AGC gain control with 110dB range (limited).
  • Timing: Precision TCXO timing with single shot 100MHz 8-bit ultra low power digitizer.

Display

  • Display Views: Large Digits Standard thickness view. Digit Height: 0.700 in (17.78 mm).
  • B-Scan – Time based cross-section view. The display speed of 15 secs per screen.
  • Scan Bar 6 readings per second. Viewable in B-Scan and Large Digit views.
  • Repeatability Bar Graph Bar graph indicates the stability of reading.
  • Feature Status Bar – Indicates features currently active.

Literature