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Ultrasonic wall and coating thickness gauge TI-CMX Series

Wall thickness reading on ultrasonic thickness gauge TI-CMX

Data-logging ultrasonic thickness gauge TI-CMXDL

Ultrasonic thickness gauge with A-Scan display TI-CMXDLP

Colour A-Scan ultrasonic thickness gauge TI-CMXDLP-C

Dual-element ultrasonic thickness transducers for TI-CMX Series

Separate wall and coating thickness readings on TI-CMX Series

USB connection on ultrasonic thickness gauge TI-CMX Series








TI-CMX Series Ultrasonic Wall and Coating Thickness Gauges
Ultrasonic wall and coating thickness gauges for corrosion inspectionThe TI-CMX Series comprises four ultrasonic thickness gauges for measuring material wall thickness and coating thickness from one side of a component. Designed for corrosion surveys, pipeline and tank inspection, and industrial maintenance, the gauges support measurements on coated surfaces without the need to remove the coating in suitable measurement modes.
Choose the TI-CMX for standard thickness inspection, the TI-CMXDL for measurement storage and data transfer, or the TI-CMXDLP and TI-CMXDLP-C for advanced inspections with A-Scan waveform visualisation. The TI-CMXDLP-C adds a colour display with portrait and landscape A-Scan views.
Selectable ultrasonic measurement modes allow inspectors to measure wall thickness, coating thickness or both, depending on the material, probe and inspection conditions. The available data-logging and waveform-display options help match the instrument to the level of measurement documentation and signal analysis required.
- Ultrasonic measurement of wall and coating thickness from one side of the material
- Four models: TI-CMX, TI-CMXDL, TI-CMXDLP and TI-CMXDLP-C
- Pulse-Echo and Echo-Echo measurement modes for corrosion inspection and through-coating measurements
- Coating thickness measurement and separate wall/coating thickness display using a suitable coating transducer
- Temperature-compensated Pulse-Echo mode for measurements where material temperature changes
- B-Scan cross-sectional display for monitoring thickness variations
- 4 GB internal data-logging memory on TI-CMXDL, TI-CMXDLP and TI-CMXDLP-C
- A-Scan waveform display with RF and rectified views on TI-CMXDLP and TI-CMXDLP-C
- Colour A-Scan display with portrait and landscape views on TI-CMXDLP-C
- Automatic or manual transducer recognition and probe zero adjustment
- High-temperature -H configurations supplied with the T-102-2900-H probe for material temperatures up to 150 °C
- TI-CMX Series ultrasonic thickness gauge (selected model)
- T-102-2900 dual-element coating transducer, or T-102-2900-H high-temperature transducer for -H configurations
- Ultrasonic coupling fluid
- AA batteries
- Carrying case
- Operating manual
- Calibration certificate
- PC software and USB cable
Compare the four TI-CMX Series models to select the required measurement, recording and waveform-display functions.
| Feature | TI-CMX | TI-CMXDL | TI-CMXDLP | TI-CMXDLP-C |
|---|---|---|---|---|
Primary configuration |
Standard |
Data logging |
Data logging + A-Scan |
Data logging + colour A-Scan |
Display |
Greyscale |
Greyscale |
Greyscale |
Colour AMOLED |
Data logging |
No |
4 GB |
4 GB |
4 GB |
A-Scan waveform display |
No |
No |
RF and rectified |
RF and rectified |
A-Scan orientation |
— |
— |
Standard |
Portrait and landscape |
Thickness resolution |
0.01 mm |
0.01 mm |
0.01 / 0.001 mm selectable |
0.01 / 0.001 mm selectable |
The -H versions of the TI-CMX, TI-CMXDL and TI-CMXDLP are supplied with the T-102-2900-H high-temperature probe instead of the standard T-102-2900 probe. The high-temperature probe is rated for material temperatures up to 150 °C.
The TI-CMX Series uses different ultrasonic measurement methods for coated and uncoated materials. The appropriate mode depends on whether the inspection requires material thickness, coating thickness or both.
| Mode | Measurement principle and use |
|---|---|
Pulse-Echo (P-E)
|
Measures material thickness from the travel time of an ultrasonic pulse reflected from the opposite surface. Used for general wall thickness and corrosion inspection. Surface coatings can affect the result. |
Pulse-Echo with Coating (PECT)
|
Measures and displays material and coating thickness separately when used with a suitable coating transducer. |
Echo-Echo (E-E)
|
Measures the interval between successive back-wall echoes to determine material thickness through a coating without including the coating thickness in the result. |
Echo-Echo Verify (E-EV)
|
Uses additional back-wall echo information to verify the thickness measurement. Availability depends on the instrument version. |
Temperature-Compensated Pulse-Echo (PETP)
|
Compensates for changes in ultrasonic sound velocity associated with changes in material temperature, using the instrument's temperature-compensation function. |
Coating Only (CT)
|
Measures the thickness of a suitable coating using a coating-capable transducer. |
Measurement performance depends on the material, coating, surface condition, calibration and selected transducer. Not every mode is suitable for every inspection.
Dual-element ultrasonic transducers use separate transmitting and receiving elements. This arrangement makes them suitable for corrosion surveys and wall thickness measurements where surface condition and material geometry can influence the ultrasonic response.

The standard T-102-2900 is a 1/4-inch, 5 MHz dual-element transducer designed for use with the coating measurement functions of the TI-CMX Series. Other transducer diameters and frequencies are available for different measurement requirements.
For simultaneous material and coating thickness measurement, select a transducer suitable for coating measurement. Transducer selection should take account of the material, expected thickness, geometry and inspection temperature.
Available transducers
| Transducer | Description |
|---|---|
T-101-2900 |
3/16-inch, 5 MHz transducer |
T-102-2900 |
1/4-inch, 5 MHz coating transducer; standard probe |
T-102-2900-2M |
1/4-inch, 5 MHz transducer with 2 m cable |
T-102-3900 |
1/4-inch, 7.5 MHz transducer |
T-104-2900 |
1/2-inch, 5 MHz transducer for heavy-wall measurements |
T-104-9900 |
1/2-inch, 3.5 MHz transducer for cast iron and plastics |
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Scan mode |
B-Scan |
RF A-Scan |
Rectified A-Scan |
Rectified A-Scan, menu hidden |
Available on all TI-CMX Series models |
Available on all TI-CMX Series models |
Available on TI-CMXDLP and TI-CMXDLP-C |
Available on TI-CMXDLP and TI-CMXDLP-C |
Available on TI-CMXDLP and TI-CMXDLP-C |
The TI-CMXDLP-C shows the A-Scan in colour, in portrait or landscape orientation.
| Measurement Principle | Ultrasonic pulse-echo measurement with dual-element transducer; selectable through-coating measurement modes |
| Measuring Modes | Pulse-Echo (P-E) Pulse-Echo with Coating (PECT) Temperature-Compensated Pulse-Echo (PETP) Echo-Echo (E-E) Coating Only (CT) Echo-Echo Verify (E-EV): availability subject to model/version |
| Coating Thickness Range | 0.0127–2.54 mm (0.0005–0.100 in), dependent on coating and selected transducer |
| Thickness Resolution | TI-CMX / TI-CMXDL: 0.01 mm TI-CMXDLP / TI-CMXDLP-C: 0.01 or 0.001 mm, selectable |
| Standard Transducer | T-102-2900, 1/4-inch, 5 MHz, dual-element coating transducer |
| High-Temperature Configuration | T-102-2900-H, 1/4-inch, 5 MHz, dual-element coating transducer; material temperature up to 150 °C (-H versions) |
| Data Logging | TI-CMX: No internal measurement data logging TI-CMXDL / TI-CMXDLP / TI-CMXDLP-C: 4 GB internal memory; sequential and alphanumeric grid logging |
| Data Interface | USB PC connection; data transfer on data-logging models |
| Display | TI-CMX / TI-CMXDL / TI-CMXDLP: Backlit greyscale LCD TI-CMXDLP-C: Colour AMOLED display |
| Velocity Calibration Range | 309.88–18,542 m/s |
| Measurement Units | mm or inches, selectable |
| Operating Temperature | -10 to +60 °C (gauge operating temperature) |
| Power Supply | Three AA batteries or external USB power |
| Dimensions | 63.5 × 165 × 31.5 mm (W × H × D) |
| Weight | 383 g, including batteries |
| Calibration | Factory calibration traceable to NIST; calibration certificate supplied |
| Warranty | Two-year limited warranty on the gauge |
| Manufacturer model reference | TI-CMXDL: CMX1-DL TI-CMXDLP: CMX2-DL TI-CMXDLP-C: CMX3-DL |
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