Buy Straight Beam Ultrasonic Probe 0.5-5MHz NDT UT Transducer

Single & Dual Element Straight Beam Ultrasonic Probe 0.5MHz-5MHz for NDT UT Flaw Detector

Including GST

You Will Receive the Following:

1 x Straight Beam Ultrasonic Probe (single or dual element, frequency and size as selected).

QTY: 1

Condition: New

Frequency & Element Type	Clear

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A straight beam ultrasonic probe is a 0° longitudinal-wave ultrasonic transducer used for non-destructive testing (NDT), ultrasonic flaw detection, and thickness-related inspection of metals and other suitable test materials.

This range is available in single-element and dual-element (TR / F10-F20 connector) configurations, across 0.5MHz, 1MHz, 2MHz, 4MHz, and 5MHz frequencies with 10mm, 12mm, and 20mm element sizes, giving NDT technicians a straightforward way to match a straight-beam transducer to their inspection procedure and instrument connector.

What Is a Straight Beam Ultrasonic Probe?

A straight beam ultrasonic probe (also called a 0-degree probe) transmits ultrasonic energy directly into a test material along a straight path, perpendicular to the contact surface. It is the standard probe configuration for detecting laminations, internal discontinuities, and material loss, and for general Ultrasonic Thickness-related inspection. This probe range is offered in two element configurations:

Single-element (single crystal):

One piezoelectric element performs both transmit and receive functions, a simple, cost-effective configuration for general straight-beam inspection.

Dual-element (TR / F10, F20 connector):

Two separate elements handle transmit and receive independently, which can assist near-surface resolution and is commonly used with F10/F20-style dual-Lemo00 ultrasonic flaw detectors.

Technical Specifications

Specification	Details
Product Type	Straight Beam (0°) Ultrasonic Probe / Transducer
Element Configuration	Single element or dual element (TR)
Available Frequencies	0.5MHz, 1MHz, 2MHz, 4MHz, 5MHz
Available Element Sizes	10mm, 12mm, 20mm
Connector – Single Element	Lemo00 (C5) for Φ8–Φ20 sizes
Connector – Dual Element	F10 (10mm/12mm sizes) or F20 (20mm size), dual Lemo00-style
Manufacturing Standard	EN12668-2
Instrument Compatibility	Standard ultrasonic flaw detectors and thickness gauges using Lemo00/F10/F20-style probe connections
Condition	New
Typical Applications	NDT flaw detection, weld and material inspection, thickness-related testing

Available Configurations

Single-Element Straight Beam Probes

0.5MHz, 10mm
1MHz, 10mm
2MHz, 10mm
4MHz, 10mm
0.5MHz, 12mm
1MHz, 12mm
0.5MHz, 20mm
1MHz, 20mm
2MHz, 20mm
4MHz, 20mm

Dual-Element (TR) Straight Beam Probes

F10 connector – 1MHz, 10mm
F10 connector – 2MHz, 10mm
F10 connector – 4MHz, 10mm
F10 connector – 5MHz, 10mm
F10 connector – 4MHz, 12mm
F20 connector – 4MHz, 20mm

Key Features & Benefits

Wide frequency range 0.5MHz to 5MHz covers coarse-grained materials through to finer-resolution inspection needs.
Single or dual element choice select single-crystal for general straight-beam work or dual-element (TR) for improved near-surface performance.
Multiple element sizes 10mm, 12mm, and 20mm options suit different contact-area and coupling requirements.
Lemo00 / F10 / F20 connectors compatible with common ultrasonic flaw detectors and thickness gauges using these probe connections.
Built to EN12668-2 manufactured in line with this ultrasonic probe performance standard.
Supplied new every probe ships new.

Typical Applications

Ultrasonic flaw detection (NDT/UT)
Metal crack and porosity inspection
Internal discontinuity and lamination detection
Weld and fabrication inspection
Material condition and thickness-related assessment
General-purpose straight-beam ultrasonic testing

How to Choose the Right Probe

Choose by Element Configuration

Choose a single-element probe for straightforward straight-beam inspection where one transmit/receive crystal is sufficient. Choose a dual-element (TR / F10-F20) probe when your procedure calls for separate transmit and receive elements, which can help resolve indications close to the entry surface.

Choose by Frequency

0.5MHz–1MHz: lower frequencies for coarse-grained or attenuative materials and greater penetration depth.
2MHz: a general-purpose mid-range frequency for a wide range of inspection tasks.
4MHz–5MHz: higher frequencies for finer resolution on suitable fine-grained materials.

Choose by Element Size and Connector

Confirm the required element size (10mm, 12mm, or 20mm) and check that the connector – Lemo00 for single-element probes, or F10/F20 for dual-element probes – matches your ultrasonic flaw detector or thickness gauge before ordering.

Frequently Asked Questions

What is a straight beam ultrasonic probe used for?

A straight beam ultrasonic probe introduces ultrasonic energy directly into a test material at 0 degrees. It is used for NDT flaw detection, internal discontinuity inspection, and thickness-related testing of metals and other suitable materials.

What is the difference between single-element and dual-element (TR) probes?

A single-element probe uses one crystal for both transmitting and receiving the ultrasonic pulse. A dual-element (TR) probe uses two separate crystals – one to transmit and one to receive which is commonly used with F10/F20-style connectors and can assist with near-surface resolution.

What frequencies are available?

This probe range is available in 0.5MHz, 1MHz, 2MHz, 4MHz, and 5MHz configurations.

What element sizes are available?

Element sizes of 10mm, 12mm, and 20mm are available, depending on the frequency and element configuration selected.

What connector does this probe use?

Single-element probes use a Lemo00 (C5) connector. Dual-element probes use an F10 connector (10mm/12mm sizes) or an F20 connector (20mm size).

Will this probe work with my ultrasonic flaw detector?

Check that your instrument accepts a Lemo00, F10, or F20-style probe connection (matching the variant you select) before ordering. If you need a different connector standard, see our BNC to Lemo S00 ultrasonic cable for connector conversion.

Is this probe Suitable For weld inspection?

Yes. Straight beam probes are commonly used alongside angle beam probes, such as our NDT ultrasonic angle beam probe, as part of a complete weld and material inspection procedure.