Productcatalogue

Phased Array Ultrasonic Detector

Phased Array Ultrasonic Detector

Phased Array Ultrasonic Detector

Phased Array Ultrasonic Detector

Portable Phased Array Flaw Detector

Portable Phased Array Flaw Detector

ROBUST P series — phased array ultrasonic boards

ROBUST M1 — multi-channel ultrasonic board

The ROBUST M1 multi-channel ultrasonic board uses an advanced modular design, offering standard 4- and 8-channel variants that can be flexibly expanded with further channels as required, so it meets individual inspection needs. Each channel supports independent parallel sampling, which gives high inspection throughput and precision and significantly improves overall reliability. The ROBUST M1 is used in industry, medicine, scientific research and other fields, providing accurate and reliable ultrasonic solutions for thickness measurement, flaw detection and other tasks.

ROBUST S1 — single-channel ultrasonic board

The ROBUST S1 single-channel ultrasonic board combines an excellent performance-to-price ratio, high reliability, fast integration and flexible expansion, precisely matching the needs of basic inspection, portable applications and automation — key requirements in many working scenarios. The product is widely used in aerospace material testing, non-destructive testing of automotive parts, biomedical ultrasound imaging and other fields. Whether for thickness measurement, flaw detection or other ultrasonic applications, it delivers accurate and dependable results.

ROBUST F1 — phased array ultrasonic board

ROBUST L1 — compact phased array ultrasonic board

In precision industrial testing, instrument miniaturisation and a favourable performance-to-price ratio are becoming the new user expectation. In non-destructive testing for aerospace, power generation and rail transport, the requirements for handiness and economy are especially high in field work and confined spaces. The new ROBUST L1 series (16/128 boards) from Guangzhou Doppler is an efficient and economical answer to those needs.

Nexus F1 — pulser-receiver

The Nexus F1 pulser-receiver is a new generation of high-performance ultrasonic transmit-receive units, developed and manufactured in-house by Doppler. It was designed specifically for high-frequency ultrasonic systems. Its key role is to provide technical support for material flaw detection through precise control of transmission and echo resolution of ultrasonic signals.

Linear Array Probe Series

Linear probes are currently the most widely used type of phased array probe. Combined with a wedge they allow shear or longitudinal wave inspection and are widely used to inspect the parent material and welded joints of pipe fittings, forgings and plates.

Laterally Focused Array Probe Series

Near-wall Probe Series

The distance from the edge of the first and last element to the outside of the housing is 1 mm.

Water Immersion Probe Series (linear array)

Immersion Probe Series (self-focusing linear array)

Matrix Array Probe Series

Integrated Wedge Probe Series

Water Bag Probe Series

Soft Protective Film Probe Series

Wheel Probe Series

Flexible Probe Series

High Temperature Probe Series

R-angle Probe Series

Concave Array Probe Series

Bolt Probe Series

Spot Welding Probe Series

Dual-Linear Array / Dual Matrix Probe Series

Wind Power Probe Series

Other Special Probes

In line with the needs of inspection carried out on site, the manufacturer develops special probes to order. Some of the designs already built are listed below — Doppler is a good choice for difficult inspection scenarios.

Selection of Industrial Array Probes

A protective film with high acoustic transmittance can be applied directly to the surface of a phased array probe. As a result no 0° wedge is needed for the inspection, interference from multiple echoes on the bottom surface of the wedge is effectively eliminated, and the cost of inspection genuinely falls.

Wedges for array probes

Connectors and Adapters

Doppler supplies connectors compatible with all the popular phased array probe types on the market — T1, P1, J1, H1, P1 (Quick lock), D2, D3, M1 and others.

MOS08 — Modular Axial Stepping Scanner

The MOS08 is a pipeline weld scanner with quick-release chain links. The innovative links make it easy and quick to move between different pipe diameters. A unique stepping axis allows accurate positioning during inspection: in corrosion mapping it gives continuous and even scanning, and in weld inspection on a curve it compensates for the change in distance by correcting the probe position.

DSC06 — Plate/Pipe Corrosion & Base Material Scanner

The DSC06 was designed specifically for corrosion inspection of pipes and flat components. It uses local water immersion with a water layer of about 10 mm and a standard 64-element phased array probe. The design is compact and easy to carry and operate, which makes work on site considerably easier.

FS01 — Corrosion Scanner for Wind Turbine Blades

The FS01 is a system intended primarily for manual inspection of wind turbine blades. Before use, make sure the probe is correctly connected to the encoder and that the surface of the component has no pronounced protrusions — this is a condition for the best inspection result.

FS06 — Elbow Corrosion Scanner

The FS06 is a scanner for corrosion inspection of bent and straight pipes. It consists of a flexible probe usable on various diameters, a guide wheel for smooth travel along the pipeline, a water jacket made to the pipe diameter and an encoder providing accurate position information. The operator controls the inspection with buttons on the scanner — they can move to the next line and start the inspection without leaving the component.

FS04 — Axial Straight Pipe Flexible Probe Scanner

The FS04 was designed for axial corrosion inspection of straight pipes. It consists of a magnetic wheel, a support frame, a water jacket, an encoder and a flexible probe. For pipes of different diameters the device requires a matching water jacket, made to order. When inspecting several parallel pipelines, check that the pipe centre spacing will not cause a collision.

FS05 — Axial Straight Pipe Concave Array Probe Scanner

The FS05 is used for axial corrosion inspection of straight pipes. It consists of a magnetic wheel, a support frame, a water jacket, an encoder and a concave array probe. The water jacket and probe are selected according to the pipe diameter and the required water layer.

LS03 — 64-element Tyre Scanner

The LS03 is a multi-function tyre scanner designed for demanding inspection tasks. It combines fast phased array technology with a modular build. It is an easy-to-deploy alternative to a full two-dimensional encoding arrangement, and an effective substitute for immersion testing where conventional immersion technique cannot be applied.

LS06 — 128-element Tyre Scanner

Compared with the LS03 scanner, the 128-element version brings a clear advance in design and performance. The housing is simpler in form and the handle is made of a composite that improves working comfort. Above all, however, the coverage is wider than on the LS03, which genuinely increases inspection throughput.

LS13 / LS20 — Wind Turbine Blade Tyre Scanner

Wind turbine blade materials are difficult for non-destructive testing because they strongly attenuate ultrasound. This scanner combines efficient inspection with a design matched to glass-composite surfaces, which translates into accurate and repeatable results — and safe operation of wind farms.

DSC03 — Heavy-duty Crawler

The DSC03 is a multi-function electric scanner intended to carry the weld scanning arm and the transverse corrosion scanning arm. It stands out for very high stability and a high payload. Adhesion is provided by a permanent magnet, so the device stays on the surface even if power is lost.

DSC05 — Small Pipeline Longitudinal Travel Scanner

The DSC05 is an advanced, remotely controlled inspection crawler designed for magnetic surfaces, adhering firmly to materials such as carbon steel. It travels along the axis of the component and carries out the inspection using the mounted sensors. The design combines a drive body, an encoder module for accurate positioning, a magnetic wheel module, a probe holder module, a power module, a camera module and a remote control module. The operator can inspect places that are hard to reach or hazardous.

DSC39 — Straight Inner Pipe Auto-scanner

The DSC39 is an electric scanner designed for inspecting straight pipes and able to carry different probe types — phased array or eddy current. The standard configuration is suited to pipes with an inner diameter from 150 to 200 mm. For other sizes the manufacturer builds versions to order, matched to the specific diameter.

DSC40 — Weld/Corrosion Auto-scanner

The DSC40 is a multi-function electric scanner that meets different inspection requirements by changing the arm: for weld scanning, for transverse corrosion scanning or for scanning along a curve. It stands out for its light construction, high payload and simple operation.

MOS01 — Mouse-type Girth Weld Scanner

The MOS01 is a multi-purpose scanner designed for industrial inspection, combining portability with high performance. It is fitted with an advanced encoder that guarantees the accuracy of the data collected. The mounting frame makes it easy to change probe types for a specific inspection task.

MOS02 — Fillet Weld Scanner

The MOS02 inherits the portability, flexibility and wide applicability of the MOS01, and the added fillet weld guide considerably improves the accuracy and efficiency of fillet weld inspection. The guide eliminates probe drift during the inspection.

MOS20 — Narrow-contact Surface Scanner

The MOS20 is a compact weld scanner designed for demanding inspection conditions. It combines magnetic adhesion technology, stable mounting and an ergonomic grip. It performs particularly well in complex and confined working conditions.

MOS43 — Weld Scanner for limited probe travel

The scanner uses a magnetic design, so it adheres firmly to magnetic materials without additional fixing elements. Operation is simple, safe and reliable. The mounting frame has an adjustable width, and the minimum supported pipe diameter allows work in confined spaces.

CCE-2 — Simple Encoder with frame and handle

The CCE-2 consists of an encoder, a mounting frame and a handle. Compared with the previous generation, the direction of the encoder tip has been changed to face upwards, which extends its life. A hand-shaped grip has been added, and the grip has mounting holes for clipping cables in place — so the cables interfere less with probe coupling.

CCE-3 — TOFD Simple Bracket Scanner

The CCE-3 is an auxiliary accessory designed to work with TOFD probes in weld inspection, intended to improve inspection accuracy and efficiency. The holder is particularly useful where the working space is narrow.

CCE-4 — Weld Scanner with side guide

The scanner is designed to inspect tubular components 150 mm in diameter and above. The guide mechanism provides lateral support, so the distance between the probe and the weld stays constant. The support wheel carries the weight of the device, adapts to different diameters and gives smooth movement. The grip is ergonomic and the encoder records the position.

MOS03 — Weld Seam Bilateral Scanner

The MOS03 retains the body design known from the MOS01, which guarantees the same portability and ease of operation. It allows a pair of probes to be mounted for one TOFD group or two phased array groups. The added auxiliary wheel improves probe coupling with the component and increases the stability and reliability of the data.

FC14 — Axial/Longitudinal Weld Scanner

The FC14 is a scanner intended for pipeline weld inspection. The device mounts four probes at once, supporting inspection of longitudinal and axial welds. The design comprises magnetic wheels for stable adhesion, a water connection supplying couplant to the probe, a mounting frame, a graduated strip giving the operator an accurate position reference, and a support frame.

FC29 — Simple Circumferential Scanner

The FC29 gives fast positioning and stable adhesion thanks to four magnetic wheels. The laser pointer improves the accuracy of the data collected. The scanner suits pipes of various diameters — in both axial and circumferential mode.

FC30 — Manual Weld Inspection Scanner

The standard configuration of this manual scanner allows four probes to be mounted, and in line with inspection requirements it can be extended to eight probes, which gives flexible inspection schemes.

FC26 — Negative Pressure Longitudinal Weld Scanner

The FC26 is a scanner for inspecting longitudinal pipeline welds. Vacuum adhesion technology keeps the scanner from drifting during work, which improves inspection efficiency. The standard stroke is 1000 mm and can be extended to 1500 mm.

FC44 — Suction Cup Weld Scanner

The FC44 is a manual scanner suitable for various material types — it overcomes the material limitations of conventional inspection tools. A fixed motion guide prevents probe drift during scanning, which ensures accurate and repeatable results. Manual suction cup technology removes any dependence on a power supply: the vacuum is created by a simple hand operation.

CRS-7 / CRS-8 — Small-diameter Pipe Weld Scanner

The CRS modular scanner is used to inspect circumferential welds on pipes from 0.8" (20 mm) to 4.5" (114.3 mm) in diameter. It is available in a single-chain version (CRS-7) and a double-chain, double-sided version (CRS-8). The flat, slim chain design, developed for extremely small inspection spaces, allows it to pass through a pipe-to-pipe gap as small as 13 mm.

CRS-14 / CRS-15 — Narrow-width Small-diameter Pipe Weld Scanner

This series of small diameter pipe weld scanners is intended for situations where axial space is limited — the narrowest usable width is 36 mm. The scanner consists of a main frame module, an encoder module with a side outlet, a quick-release chain module and a locking block. By configuring different numbers of chain links it can cover pipes of various diameters.

CRS-34 — Narrow-gap Weld Scanner

The CRS-34 is designed for weld inspection in particularly confined conditions. The two probes working together require a special way of routing the cables. By design, the minimum distance from the weld to the obstructed area on the opposite side should be 15 mm. The distance from the probe face to the weld centreline is adjustable.

CRS-35 — Elbow Modular Scanner

The CRS-35 scanner is designed to inspect pipelines above 200 mm in diameter. It uses a heavy chain similar to the one in the large-diameter MOS04 scanner, which gives stable travel along the pipeline while carrying two probes. It is also suitable for inspecting elbow welds.

CRS-25 — Small/Medium Pipeline Weld Scanner

The CRS-25 is designed to inspect pipeline welds with diameters from 50 to 300 mm. It uses a Y15 probe for single-sided scanning, and the probe holder is placed in the middle of the chain, which saves the space needed for scanning. To ensure tight coupling of the wedge with the component, the CRS-25 uses a screw lock, so it is mounted more stably on the pipe surface.

MOS04 — Large-diameter Pipe Modular Scanner

The MOS04 is a multi-probe system for long-distance pipeline weld inspection, developed for efficient inspection of large areas. It combines a professional inspection mode, a highly compatible mounting frame, a multi-probe configuration, good water resistance and a quick-release chain. The scanner mounts two PA and two TOFD probes at the same time.

MOS04-A — Dual-probe Modular Scanner

The MOS04-A uses an innovative quick-release chain design, which makes changing the chain fast and improves working efficiency. The precision mounting frame takes a width of up to 45 mm and fits many two-probe combinations. The scanner can be aligned precisely on the centreline of a weld less than 40 mm wide and less than 6.5 mm high.

MOS04-DD — Motorized Modular Scanner

The MOS04-DD is used primarily for pipeline weld inspection. It is an electric modular scanner able to carry four probes.

DSC27 — Pipeline Weld Rail-guided Scanner

The scanner is fitted with a matched pipeline guide, and its body is a remotely controlled crawler. It is suitable for metallic and non-metallic pipes. The steel guide band is fixed on the round component and the crawler runs along the guide carrying several pairs of probes. The rail design keeps a constant distance between the probe and the weld, which allows fast, automated inspection of circumferential welds. Different diameters require different guides.

DSC16 — Ring-shaped Auto-crawler

The DSC16 is a remotely controlled inspection carriage designed to inspect annular components.

DSC51 — Pipeline Modular Scanner

The DSC51 is used primarily for pipeline weld inspection. It is an electric modular scanner, it can be fitted with two probes and it also works on non-magnetic materials. The standard version has two encoders: one on the chain records the position on the nozzle, the other on the probe stepping axis — which improves the accuracy and reliability of the results. The larger the pipe diameter, the greater the risk of drift during inspection.

MOS07 — Nozzle Joint Scanner

The MOS07 was designed to inspect welds of complex nozzle connections, providing accurate inspection data. The flexible mounting arrangement stably holds a single probe with a maximum mounting width of 48 mm and is compatible with different probe types. The MOS07-DD version is automated: a small magnetic crawler guides the scanner in the axial direction of the nozzle, controlled from buttons on the handle.

DSC52 — Auto Tube-sheet Weld Scanner

The device is used primarily to inspect welds close to the pipe end. It consists of two basic parts: the scanner body and the controller. It is suitable for inspecting welds in small-diameter bores.

DSC37 — Motorized Internal Weld Scanner

The DSC37 is a semi-automatic scanner designed to inspect welds inside pipelines. It is particularly useful on complex, small components that manual inspection cannot reach. Structurally it consists of three parts: the drive system, the positioning system and the probe mounting. To suit different diameters, the positioning system and probe mounting are made for the specific diameter.

FC47 — Internal Pipe Weld & Corrosion Scanner

The FC47 is a high-performance manual scanner intended for corrosion and weld inspection, equipped with flexible accessories and compatible with various probes. The universal mounting frame takes a corrosion or weld probe, providing stability and accuracy. The positioning sleeve is made to the size of the component. The axial stepping rod controls probe movement precisely and allows point-by-point inspection, while the rotating seat gives full 360° scanning.

DSC41 — Ring-shaped Component Auto-scanner

The DSC41 is a high-performance electric scanner designed to detect flaws on the face and axial surface of large cylindrical or annular components. Advanced mechanical design gives precise control of a 500 mm stroke on the Y axis and 500 mm on the Z axis. The probe holder covers many inspection scenarios — it takes both conventional and phased array probes.