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The Dakota CMX ultrasonic corrosion thickness gauge is available in four models - from an entry level Dakota CMX1 Ultrasonic Thickness Gauge to the top of the range Dakota CMX3-DL Ultrasonic Thickness Gauge.
Top of the range and easy to use, the Dakota CMX Corrosion Thickness Gauges provide inspectors with all the features necessary to measure the material and coating thickness at the same time.
Versatile: The Dakota CMX Ultrasonic Thickness Gauges have the ability to measure coatings and material thickness simultaneously while maintaining the ability to locate pits, flaws and defects in the material.
Powerful: Up to 4GB of readings can be saved into the Dakota CMX Corrosion Thickness Gauges 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: The Dakota CMX Thickness Gauge range has a choice of display modes allowing the user to select the most appropriate for their needs; Readings, B-Scan, B-Scan combined with readings, Scan bar & the A-Scan on the Dakota CMX2-DL Corrosion Thickness Gauge and Dakota CMX3-DL Corrosion Thickness Gauge.
Intelligent: Set limits for pass/fail indication on individual reading or for each batch with audible & visual warnings.
Measurement modes: Pulse - Echo Mode (PE), the normal display mode, measures the total thickness from the base of the transducer probe to the material density boundary (typically the back wall), and is ideal for pit and flaw detection. Pulse - Echo Temp Comp Mode (PETP) is similar to the PE mode, but takes into account and compensates for the variations in measurement caused by temperature variations. Coating Only Mode (CT) displays the thickness of the coating applied to the material. Echo - Echo Mode (EE), also known as the ThruPaint Mode, ignores the coating thickness, displaying the material thickness from the top surface of the material to the material density boundary. Echo - Echo Verify Mode (EEV) measures by comparing the values between 3 reflections and is commonly used to eliminate errors from surface coatings and to make measurements in multiple layered materials. Pulse - Echo Coating Mode (PECT) displays both the material thickness (PE) and the coating thickness (CT) at the same time. Basic prove-up flaw detection using single element angle beam transducers is available on the CMX2-DL and CMX3-DL corrosion thickness gauges.
Dakota CMX Corrosion Thickness Gauges
The Dakota CMX Corrosion Thickness Gauges measure material and coating thickness at the same time, while still locating pits, flaws and defects in the material. Four models run from the entry level CMX1 to the CMX3-DL with colour A-Scan display. Every model stores up to 4GB of readings for download to DakMaster software.
- Measurement modes Range of display & measurement options: Pulse-Echo, Echo-Echo, Pulse-Echo Temp, Comp Mode (PETP), Coating Only Mode (CT), Pulse-Echo Coating Mode (PECT)
- Gain control Manual or automatic gain control (AGC) with adjustable 110dB range
- Gate control
- Threshold adjustment
- 64 user defined setups
- Multiple language display
- Calibration and materials Multiple calibration and material selection options
- High speed scan mode 250 readings per second (Dakota CMX1 and CMX1-DL), 50 readings per second (Dakota CMX2-DL and CMX3-DL)
- A-Scan portrait & landscape views Dakota CMX3-DL only
- Alarm modes Differential and minimal thickness alarm modes
When to use the Dakota CMX Corrosion Thickness Gauges
Choose a Dakota CMX gauge for corrosion surveys where you need remaining wall thickness through coatings, and the means to check pits and flaws.
- 1Remaining wall thickness on coated steel, without stripping the paintIn Echo-Echo (ThruPaint) mode the Dakota CMX ignores the coating and shows only the material thickness. In Pulse-Echo Coating mode (PECT) it shows the material and coating thickness at the same time, so corrosion surveys on painted structures do not need the coating removed first.
- 2Finding pitting and flaws, not just reading a thicknessPulse-Echo mode measures to the back wall and is ideal for pit and flaw detection. The B-Scan display shows a cross-section of the material as you scan. On the CMX2-DL and CMX3-DL, the A-Scan waveform and basic flaw mode with angle beam transducers let you prove up a suspect reading.
- 3Choosing the model by how much you need to seeThe CMX1 and CMX1-DL show thickness digits and B-Scan, and scan at 250 readings per second. The CMX2-DL adds the A-Scan waveform and flaw mode. The CMX3-DL adds a colour display with portrait and landscape A-Scan views. Every model has 4GB of memory and downloads to DakMaster.
Lower-budget alternatives
Ten minutes on a call with one of our specialists usually saves you from buying the wrong instrument.
Book a 10-minute callOr , our product assistant, for an instant answer.
When to use this
When to use the Dakota CMX Corrosion Thickness Gauges
Choose a Dakota CMX gauge for corrosion surveys where you need remaining wall thickness through coatings, and the means to check pits and flaws.
- 1Remaining wall thickness on coated steel, without stripping the paintIn Echo-Echo (ThruPaint) mode the Dakota CMX ignores the coating and shows only the material thickness. In Pulse-Echo Coating mode (PECT) it shows the material and coating thickness at the same time, so corrosion surveys on painted structures do not need the coating removed first.
- 2Finding pitting and flaws, not just reading a thicknessPulse-Echo mode measures to the back wall and is ideal for pit and flaw detection. The B-Scan display shows a cross-section of the material as you scan. On the CMX2-DL and CMX3-DL, the A-Scan waveform and basic flaw mode with angle beam transducers let you prove up a suspect reading.
- 3Choosing the model by how much you need to seeThe CMX1 and CMX1-DL show thickness digits and B-Scan, and scan at 250 readings per second. The CMX2-DL adds the A-Scan waveform and flaw mode. The CMX3-DL adds a colour display with portrait and landscape A-Scan views. Every model has 4GB of memory and downloads to DakMaster.
Lower-budget alternatives
Ten minutes on a call with one of our specialists usually saves you from buying the wrong instrument.
Book a 10-minute callOr , our product assistant, for an instant answer.
Specifications
Measurement range by mode
- Pulse-Echo (PE)
- 0.63 - 1219.2mm
- Pulse-Echo Temp Comp (PETP)
- 0.63 - 1219.2mm
- Echo-Echo (EE)
- 2.54 - 152.4mm
- Echo-Echo Verify (EEV)
- 1.27 - 25.4mm
- Coating Only (CT)
- 0.01 - 2.54mm
- Pulse-Echo Coating (PECT)
- 0.63 - 1219.2mm (material), 0.01 - 2.54mm (coating)
Technical Specifications
- Transducer Probe Type
- Dual Element
- Measurement Accuracy
- 0.01mm (depends on material, surface conditions and the transducer selected)
- Memory
- 4GB Internal Memory
- Operating Temperature
- -10 to 60°C
- 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 (approximate, in continuous measurement mode)
- Gauge Weight
- 383g - including batteries
- Gauge Dimensions
- 63.5 x 165 x 31.5mm
- Certificate
- Certificate of Calibration supplied as standard
What's in the kit
What's in the kit
Conforms to
Conforms to
Part Numbers
Part Numbers
| Description | Part Numbers |
|---|---|
| Dakota CMX1 Corrosion Thickness Gauge | Z-170-0005 |
| Dakota CMX1-DL Corrosion Thickness Gauge | Z-171-0005 |
| Dakota CMX2-DL Corrosion Thickness Gauge | Z-172-0005 |
| Dakota CMX3-DL Corrosion Thickness Gauge | Z-187-0005 |
Downloads
Frequently asked questions
What are the Dakota CMX Corrosion Thickness Gauges?
Ultrasonic corrosion thickness gauges that measure material and coating thickness at the same time, while still locating pits, flaws and defects in the material. There are four models: CMX1 (Z-170-0005), CMX1-DL (Z-171-0005), CMX2-DL (Z-172-0005) and CMX3-DL (Z-187-0005).
Can a Dakota CMX gauge measure through paint?
Yes. Echo-Echo mode, also known as ThruPaint mode, ignores the coating thickness and displays the material thickness from the top surface to the back wall. Pulse-Echo Coating mode (PECT) displays both the material thickness and the coating thickness at the same time.
What measurement range do the Dakota CMX gauges cover?
It depends on the mode: Pulse-Echo and Pulse-Echo Temp Comp 0.63 to 1219.2mm, Echo-Echo 2.54 to 152.4mm, Echo-Echo Verify 1.27 to 25.4mm, and Coating Only 0.01 to 2.54mm. Measurement accuracy is 0.01mm. Range and accuracy depend on the material, surface conditions and the transducer selected.
How much data can the Dakota CMX store, and how is it downloaded?
Every model has 4GB of internal memory. Readings are saved as each measurement is taken and can be downloaded over USB into an inspection application or into DakMaster data management software for analysis and reporting.
What comes with a Dakota CMX gauge?
The gauge, a selectable transducer, couplant, a manual, a plastic carrying case, a certificate of calibration, AA batteries, and PC software with a data transfer cable.
What power and battery life does the Dakota CMX have?
It runs on 3 x AA batteries or via USB. Approximate battery life in continuous measurement is 35 hours (greyscale) or 12 hours (colour) on alkaline, and 10 hours (greyscale) or 5 hours (colour) on Nicad. The gauge weighs 383g with batteries and measures 63.5 x 165 x 31.5mm.
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