The PT-04 Probe Transducer is a high-frequency 10MHz fingertip Ultrasonic Thickness gauge probe designed for precise measurement of thin materials, small-diameter pipes, metal sheets, and corrosion-prone surfaces.Â
With a compact 6mm contact diameter and measurement range of 0.7mm to 12mm, the PT04 delivers reliable thickness readings for industrial inspection, maintenance, quality control, and non-destructive testing (NDT) applications.
The PT04 fingertip transducer is engineered for inspections requiring high accuracy on thin materials and confined measurement areas.Â
Its compact design allows operators to access hard-to-reach locations while maintaining measurement precision.
Key Benefits
- High-frequency 10MHz probe for enhanced resolution
- Accurate measurement of thin materials and small components
- Compact fingertip design for difficult inspection areas
- Suitable For corrosion monitoring and wall thickness testing
- Durable construction for industrial environments
- Compatible with various ultrasonic Thickness Gauges
- Reliable performance across a wide temperature range
Features of PT04 Probe Transducer
High-Precision 10MHz Ultrasonic Technology
The 10MHz operating frequency provides superior sensitivity and accuracy when measuring thin metals, tubing, pressure vessels, and precision-engineered components.
Compact Fingertip Probe Design
The small contact surface and ergonomic fingertip structure enable easy positioning on curved surfaces, narrow pipes, and restricted inspection zones.
Optimized for Thin Material Measurement
With a measurement range starting at 0.7mm, the PT04 probe is ideal for applications where standard probes may struggle to deliver accurate readings.
Industrial-Grade Durability
Designed for professional NDT operations, the probe maintains stable performance within operating temperatures ranging from -10°C to 70°C.
Applications: PT04 Ultrasonic Probe
The PT-04 transducer is commonly used for:
- Ultrasonic thickness measurement
- Corrosion inspection programs
- Pipeline wall thickness testing
- Boiler and pressure vessel inspection
- Metal sheet thickness verification
- Manufacturing quality control
- Marine and offshore maintenance
- Petrochemical plant inspections
- Aerospace component evaluation
- Power generation equipment maintenance
Technical Specifications
| Specification | Details |
| Product Name | PT-04 Probe Transducer |
| Model Number | PT-04 |
| Probe Type | Fingertip Ultrasonic Probe |
| Frequency | 10 MHz |
| Contact Diameter | 6 mm |
| Measurement Range | 0.7 mm – 12 mm |
| Operating Temperature | -10°C to 70°C |
| Application | Ultrasonic Thickness Measurement |
| Inspection Method | Non-Destructive Testing (NDT) |
| Suitable Materials | Metals, Pipes, Tanks, Pressure Vessels |
What Makes the PT-04 Ideal for Thin Material Inspection?
Enhanced Measurement Accuracy
The high-frequency transducer design improves signal resolution, allowing inspectors to obtain accurate thickness readings from thin-walled materials and small-diameter components.
Improved Accessibility
Its compact fingertip contact area allows measurements in locations where larger probes cannot be positioned effectively.
Reliable Industrial Performance
The PT04 is engineered to provide consistent ultrasonic signal transmission and reception, ensuring dependable results in demanding inspection environments.
Common Industries Using PT04 Thickness Gauge Probes
Oil & Gas Industry
Used for corrosion monitoring, pipeline inspection, and storage tank maintenance.
Manufacturing Sector
Supports quality assurance and thickness verification of fabricated metal components.
Marine Industry
Helps inspect hull structures, ship components, and corrosion-affected areas.
Power Plants
Assists in monitoring boilers, heat exchangers, and pressure systems.
Frequently Asked Questions
What is the PT-04 probe used for?
The PT04 probe is used with ultrasonic thickness gauges to measure material thickness and detect corrosion or wall loss without damaging the inspected component.
What materials can the PT-04 measure?
The probe is commonly used on steel, stainless steel, aluminum, copper, and other metallic materials compatible with ultrasonic thickness testing.
Why does the PT-04 use a 10MHz frequency?
The 10MHz frequency provides higher resolution and improved accuracy for thin material measurements compared to lower-frequency probes.
What is the measurement range of the PT-04?
The PT04 can measure material thicknesses ranging from 0.7mm to 12mm under suitable testing conditions.
Is the PT-04 suitable for small pipes?
Yes. Its 6mm contact diameter and fingertip design make it ideal for inspecting small-diameter pipes and curved surfaces.
Can the PT-04 be used for corrosion inspection?
Yes. The probe is widely used for corrosion monitoring, wall thickness evaluation, and preventive maintenance inspections.



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