Wedge ultrasonic probe 2.25DM7X4-A17

DMAhigh-frequencyfor welding

Overview
Dual matrix array (DMA) and dual linear array (DLA) probes are paired phased-array probes wired to a single connector to perform transmit–receive longitudinal (TRL) inspections on welds and adjacent base material. They are designed for thickness measurement and flaw detection in stainless steels, austenitic and corrosion-resistant alloys, dissimilar welds and granular materials.

Advantages

• Capability to transmit and receive longitudinal waves in granular and coarse-grained materials
• Improved penetration and signal-to-noise ratio in stainless and corrosion-resistant alloys, including dissimilar welds
• Available at higher frequencies and with small elements for detection of very small indications
• Multiple configurations (DMA and DLA) to match inspection scope and coverage

A28 and A38 Dual Linear Array (DLA) Probes

• High-frequency options up to 10 MHz for applications requiring high sensitivity (e.g., HTHA, creep, SOHIC)
• Dual 32 (A28) or 64 (A38) element arrays provide wide coverage with compact footprint
• Wedge series fitting pipe diameters of 4.5 in. [114.3 mm] OD and larger
• Wedges with roof angles for passive focusing covering focal depths approx. 4 mm to 95 mm (0.16 in. to 3.74 in.)
• Compatible with universal holder and ChainSCANNER™, VersaMOUSE, HSMT-Compact, HSMT-Flex, AxSEAM™, WeldROVER™, MapROVER, and SteerROVER scanners

A26 and A36 Dual Linear Array (DLA) Probes

• Optimized for stainless steel welds (austenitic, dissimilar welds, cladding)
• A26 (dual 32-element) suitable for thick pipes (40 mm–80 mm [1.6 in.–3.1 in.])
• A36 (dual 64-element) for extra-thick pipes (≥80 mm [≥3.1 in.])
• Wedge series fitting pipe diameters of 8.625 in. [219 mm] OD and larger
• Compatible with universal holder, ChainSCANNER and VersaMOUSE scanners

A27 Dual Matrix Array Probe (32-Element, 16×2)

• Designed for stainless steel weld applications (austenitic, dissimilar welds, cladding)
• Well-suited to mid-range pipe wall thicknesses
• Wedge series fitting pipe diameters of 4.5 in. [114.3 mm] OD and larger
• Compatible with universal holder, ChainSCANNER and VersaMOUSE scanners

A25 16-Element Dual Linear Array Probe

• Targeted at stainless steel welds and cladding inspections
• Thin-walled pipe applications with passive focal depth ≈ 6 mm [0.23 in.]
• Wedge series fitting pipe diameters from 1 in. to 4.5 in. [25.4 mm to 114.3 mm] OD
• Compatible with COBRA™ scanner

Phased Array Probe Specifications and Dimensions
Part Number | Item Number | Frequency (MHz) | Configuration | Total Elements | Pitch (mm) | Element Elevation (mm) | Active Aperture (mm) | External Dimensions mm (in.) L | W | H
2.25DM7X4-A17 | U8331715 | 2.25 | Dual Matrix (7 × 4 ea.) | 56 | 2.71 | 3 | 19 × 12 | 34 (1.34) | 16 (0.63) | 25 (0.98)
5DL16-12X5-A25 | Q3301132 | 5 | Dual Linear (16 ea.) | 32 | 0.75 | 5 | 12 × 5 | 24 (0.94) | 24 (0.94) | 18 (0.71)
2.25DL32-32X12-A26 | Q3301043 | 2.25 | Dual Linear (32 ea.) | 64 | 1 | 12 | 32 × 12 | 48.2 (1.9) | 16.5 (0.65) | 26.4 (1.04)
4DL32-32X12-A26 | Q3301480 | 4 | Dual Linear (32 ea.) | 64 | 1 | 12 | 32 × 12 | 48.2 (1.9) | 16.5 (0.65) | 26.4 (1.04)
4DM16X2-A27 | Q3300060 | 4 | Dual Matrix (16 × 2 ea.) | 64 | 1 | 3 | 16 × 6 | 29 (1.14) | 10 (0.39) | 20 (0.79)
10DL32-9.6X5-A28 | Q3301742 | 10 | Dual Linear (32 ea.) | 64 | 0.3 | 5 | 9.6 × 5 | 36.8 (1.45) | 34 (1.34) | 24.4 (0.96)
2.25DL64-64X12-A36 | Q3302293 | 2.25 | Dual Linear (64 ea.) | 128 | 1 | 12 | 64 × 12 | 80.21 (3.16) | 16.51 (0.65) | 26.34 (1.04)
4DL64-64X12-A36 | Q3302295 | 4 | Dual Linear (64 ea.) | 128 | 1 | 12 | 64 × 12 | 80.21 (3.16) | 16.51 (0.65) | 26.34 (1.04)
10DL64-19.2X5-A38 | Q3302412 | 10 | Dual Linear (64 ea.) | 128 | 0.3 | 5 | 19.2 × 5 | 50.15 (1.97) | 34.01 (1.34) | 28.19 (1.11)

Technical characteristics / specifications

• Configurations: Dual Matrix (DMA) and Dual Linear Array (DLA)
• Available frequencies: 2.25 MHz, 4 MHz, 5 MHz, 10 MHz
• Total element counts: 32, 56, 64, 128 (model-dependent)
• Typical pitches: 0.3 mm, 0.75 mm, 1 mm, 2.71 mm
• Active apertures and element elevation sizes provided per model (see table)
• Passive focusing via wedge roof angles for focal depths approx. 4 mm to 95 mm on select models
• Wedge options to fit pipe diameters from 1 in. (25.4 mm) up to 8.625 in. (219 mm) OD and larger (model-dependent)
• Target applications: thickness measurement and flaw inspection, notably on stainless/austenitic, corrosion-resistant alloys, dissimilar welds, cladding and granular materials
• Scanner compatibility (model-dependent): universal holder, ChainSCANNER™, VersaMOUSE, COBRA™, HSMT-Compact, HSMT-Flex, AxSEAM™, WeldROVER™, MapROVER, SteerROVER