Dakota Ultrasonics — T-102-1000 Dual-Element Transducer

2.25 MHz, 1/4 in Dual-Element Ultrasonic Transducer, High-Damped, Potted Side Entry
SKU: T-102-1000

Overview

The Dakota Ultrasonics T-102-1000 is a 2.25 MHz dual-element ultrasonic transducer designed for corrosion monitoring, remaining-wall evaluation, and general ultrasonic thickness-measurement applications.

Its relatively low 2.25 MHz operating frequency provides strong acoustic penetration, making the transducer suitable for thicker sections, rough surfaces, corroded components, and materials where higher-frequency probes may produce weaker or less stable back-wall echoes.

The compact 1/4 in contact size supports measurements on piping, curved surfaces, localized corrosion areas, and components with restricted probe access. Its high-damped (HD) construction helps shorten the ultrasonic pulse and reduce ringing, providing improved echo separation and near-surface response.

A permanently potted side-entry cable provides a secure connection while keeping the cable routed away from the top of the probe for convenient positioning during field and industrial inspections.

What's Included

Note: Ultrasonic thickness gauge, couplant, calibration standards, adapters, and other accessories are not included unless specified separately.

Box Dimensions & Shipping Weight (Estimated)

Actual shipping dimensions and weight may vary depending on cable length and protective packaging.

Key Specifications

Performance Features

2.25 MHz Operating Frequency
Provides strong ultrasonic penetration and is useful for thicker materials, rough surfaces, and applications where increased acoustic energy is desirable.

High-Damped Construction
Helps reduce transducer ringing and shorten pulse duration, supporting improved near-surface performance and cleaner echo separation.

Dual-Element Design
Separate transmitting and receiving elements support reliable thickness measurements on components affected by corrosion, erosion, pitting, or general material loss.

1/4 in Compact Contact Area
Provides a small inspection footprint for piping, curved surfaces, localized wall-loss areas, and restricted-access locations.

Potted Cable Configuration
The permanently attached cable provides a secure transducer connection without requiring a detachable probe-side connector.

Side-Entry Cable
Routes the cable away from the top of the probe, supporting convenient positioning in confined or low-clearance inspection areas.

Low-Frequency Inspection Advantages

The 2.25 MHz operating frequency can provide several benefits in suitable applications:

• Greater acoustic penetration than higher-frequency probes

• Improved performance on thicker materials

• Stronger response on rough or corroded surfaces

• Better tolerance of acoustically attenuative materials

• Useful performance where higher-frequency probes lose back-wall response

• Suitable for demanding industrial corrosion surveys

• Improved signal transmission through some coarse or heterogeneous materials

Lower-frequency probes typically provide less fine resolution than higher-frequency transducers, so the best probe selection depends on the material, thickness, geometry, and inspection objective.

High-Damped Design Advantages

The HD configuration may provide benefits such as:

• Reduced ultrasonic ringing

• Shorter pulse duration

• Improved near-surface response

• Better separation of closely spaced echoes

• Cleaner back-wall signals

• Improved measurement stability

• Useful response in corrosion-monitoring applications

• Enhanced clarity on suitable industrial materials

Actual performance depends on instrument settings, material properties, surface condition, couplant, and calibration.

User-Friendly Design

• Compact 1/4 in inspection footprint

• Suitable for curved and localized inspection areas

• Low frequency supports difficult acoustic conditions

• High-damped construction improves echo clarity

• Dual-element design supports corrosion monitoring

• Side-entry cable assists with restricted-access inspection

• Potted connection provides a secure fixed configuration

• Suitable for portable ultrasonic thickness-gauge systems

Built for Industrial Environments

• Designed for professional ultrasonic thickness testing

• Suitable for fabrication, manufacturing, maintenance, and QA/QC

• Practical for piping, tanks, vessels, and structural components

• Supports recurring corrosion-monitoring programs

• Useful for rough or degraded inspection surfaces

• Compact geometry assists with limited-access measurement points

• Fixed cable configuration supports routine field handling

• Intended for use with appropriate ultrasonic couplant and calibration procedures

Compatibility

Compatible with:

• Dakota ultrasonic thickness gauges supporting dual-element transducers

• Instruments configured for 2.25 MHz probe operation

• Corrosion thickness-gauging modes

• Pulse-echo ultrasonic measurement procedures

• Appropriate ultrasonic couplants

• Known-thickness calibration standards

• Carbon steel, stainless steel, cast metals, and other suitable materials

• Field and laboratory ultrasonic inspection programs

Instrument model, cable termination, material type, thickness range, surface condition, and probe compatibility should be confirmed before ordering.

Ideal Applications

• Corrosion thickness measurement

• Remaining-wall evaluation

• Pipeline inspection

• Storage-tank inspection

• Pressure-vessel inspection

• Boiler inspection

• Heat-exchanger inspection

• Structural steel measurement

• Thick-wall component inspection

• Localized corrosion surveys

• Erosion monitoring

• Rough-surface inspection

• Fabrication QA/QC

• Preventive maintenance

• Asset-integrity programs

• Field ultrasonic testing

Typical Components Inspected

The T-102-1000 may be suitable for:

• Process piping

• Storage tanks

• Pressure vessels

• Boiler components

• Heat exchangers

• Structural members

• Steel plates

• Elbows and reducers

• Cast components

• Machinery

• Corroded metallic surfaces

• Fabricated industrial parts

Inspection Guidelines

• Verify that the ultrasonic gauge supports 2.25 MHz dual-element probes

• Clean loose scale, dirt, and contamination from the inspection area

• Apply an appropriate ultrasonic couplant

• Calibrate the instrument using a known reference thickness

• Verify the correct material sound velocity

• Position the transducer firmly against the surface

• Maintain consistent probe pressure and orientation

• Obtain a stable and repeatable back-wall response

• Take additional measurements where corrosion is irregular

• Recalibrate periodically according to the written inspection procedure

• Record thickness values and measurement locations for future comparison

Care and Handling

• Avoid dropping or striking the transducer

• Keep the probe face clean

• Remove couplant after inspection

• Inspect the contact surface regularly for wear

• Check the potted cable transition for damage

• Do not pull or carry the probe by the cable

• Avoid sharp bends, twisting, or pinching of the cable

• Protect the probe from excessive temperature unless specifically rated for high-temperature use

• Store in a clean, dry location

• Replace the transducer if wear or damage affects measurement repeatability

About Dakota Ultrasonics

Dakota Ultrasonics develops ultrasonic thickness gauges, flaw detectors, transducers, cables, couplants, and related accessories for professional non-destructive testing. Its products support corrosion monitoring, fabrication, manufacturing, maintenance, asset integrity, and industrial quality-control applications.