Two angled elements create a V-shaped sound path in the test material. This "Pseudo-Focus" enhances resolution in the focal zone. A dual element transducer consists of two crystal elements housed in the same case, separated by an acoustic barrier. One element transmits longitudinal waves, and the other element acts as a receiver.
Applications:
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Olympus DC series (DC1–DC5) dual element transducers provide inspectors with a complete corrosion monitoring toolbox to support pipeline and tank inspection. Optimized for corrosion and thin materials, the transducers work with a wide variety of NDT instruments and ultrasonic inspection procedures.
All models provide a cleaner signal than single element transducers and offer less ring down than comparable models—helpful for resolving smaller defects, inspecting close to the surface, and differentiating between two indications.
With a 7.5 MHz frequency and slight roof angle, DC1 and DC2 dual element transducers provide optimal near-surface resolution in the range of 0.030 – 2 in. (0.76 – 50.8 mm) in steel.
DC1
DC2
The DC3, DC4, and DC5 dual element transducers expand your inspection capabilities. Thanks to 5 MHz frequencies and optimal element sizes/placement, inspectors can monitor corrosion of thinner material. The DC3 model with its high-angle design takes the series beyond corrosion monitoring and thickness measurement to include thin-wall pipe weld inspection and other applications, useful depth in steel of 0-0.6 in. (0-15.2 mm). DC4 and DC5 models offer optimal depth range in steel of 0.040-1.5 in. (1.02-38.1 mm).
DC3-DC5
Built with a 5 MHz frequency and high-angle longitudinal wave, the DC3 dual element transducer provides optimal near-surface resolution for very thin materials ranging from 0–0.6 in. (0–15.24 mm).
Manufactured at 5 MHz with slightly angled elements and a 0-degree longitudinal wave, the DC4 and DC5 dual element transducers offer enhanced thickness measurement and flaw detection in thin materials ranging from 0.040-1.5 in. (1.02-38.1 mm).
Depending on your application, any one or a combination of these five transducers offers improved corrosion monitoring and defect sizing. As field inspections change, you can benefit from having the complete set with a total combined thickness range of 0–2 in. (0–50.8 mm), as well as an extra pipe weld inspection tool (DC3 model). Available to purchase separately or, for added convenience, the complete DC1-DC5 transducer lineup is available to purchase in a kit. For available kit options, see images and part numbers below.
![]() | Kit of Dual Element Corrosion (DC) Transducers and Replacement Wedges. Kit includes (1) each: 7.5DS-0.375-0LW-DC1-P-1-RPL (Right Potted LEMO), 7.5DS-0.375-0LW-DC1-P-1-RP (Right Potted BNC), 7.5DS-0.375-0LW-DC2-P-1-RP (Thick-wall Housing, Right Potted BNC), 7.5DS-0.375-0LW-DC2-P-1-RPL (Thick-Wall Housing, Right Potted LEMO), 5DS-5.08X7.62-DC3-RM, 5DS-12.7X12.7-0LW-DC4-RM-RW, 5DS-12.7X25.4-0LW-DC5-RM-RW, SDC4-0L REPLACEMENT WEDGE KIT, and SDC5-0L REPLACEMENT WEDGE KITBuy NowBuy NowRequest a Quote |
![]() | Kit of Dual Element Corrosion (DC) Transducers and Replacement Wedges; Right Potted BNC DC1 & DC2. Kit includes (1) each: 7.5DS-0.375-0LW-DC1-P-1-RP (Right Potted BNC), 7.5DS-0.375-0LW-DC2-P-1-RP (Thick-wall Housing, Right Potted BNC), 5DS-5.08X7.62-DC3-RM, 5DS-12.7X12.7-0LW-DC4-RM-RW, 5DS-12.7X25.4-0LW-DC5-RM-RW, SDC4-0L REPLACEMENT WEDGE KIT, and SDC5-0L REPLACEMENT WEDGE KITBuy NowBuy NowRequest a Quote |
![]() | Kit of Dual Element Corrosion (DC) Transducers and Replacement Wedges; Right Potted LEMO DC1 & DC2. Kit includes (1) each: 7.5DS-0.375-0LW-DC1-P-1-RPL (Right Potted LEMO), 7.5DS-0.375-0LW-DC2-P-1-RPL (Thick-Wall Housing, Right Potted LEMO), 5DS-5.08X7.62-DC3-RM, 5DS-12.7X12.7-0LW-DC4-RM-RW, 5DS-12.7X25.4-0LW-DC5-RM-RW, SDC4-0L REPLACEMENT WEDGE KIT, and SDC5-0L REPLACEMENT WEDGE KITBuy NowBuy NowRequest a Quote |
Pairing with the EPOCH™ 650 or 6LT flaw detectors or the 38DL PLUS™ thickness gauge* enables accurate, efficient corrosion mapping for evaluation of nominal wall thickness, pitting corrosion, and flaw type/size
*Due to roof angles, manual V-Path Correction may be required for DC1, DC2, DC4, and DC5.
Item Number | Part Code | Frequency (MHz) | Nominal Element Size | Connector Type | Connector Location | Cable Type | External Dimensions | Tip | |||||
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mm | Inches | Length | Width | Height | |||||||||
Q7000475
| SDC4-0L REPLACEMENT WEDGE KIT | ||||||||||||
Q7000476
| SDC5-0L REPLACEMENT WEDGE KIT | ||||||||||||
Q7790168
| DC-KIT-RP-TOOLBOX | ||||||||||||
Q7790169
| DC-KIT-RPL-TOOLBOX | ||||||||||||
Q7790167
| DC-KIT-TOOLBOX | ||||||||||||
Q3301830
| 5DS-12.7X25.4-0LW-DC5-RM-RW | 5 | 12.7 x 25.4 | 0.5 x 1 | Microdot | Right Angle | Right Angle Potted | 34.9 mm (1.37 in) | 19.8 mm (0.78 in) | 23.0 mm (0.91 in) | 0.73 x 1.10 (in) | ||
Q3301829
| 5DS-12.7X12.7-0LW-DC4-RM-RW | 5 | 12.7 x 12.7 | 0.5 x 0.5 | Microdot | Right Angle | Right Angle Potted | 19.2 mm (0.76 in) | 19.8 mm (0.78 in) | 21.3 mm (0.84 in) | 0.59 x 0.50 (in) | ||
Q3301828
| 5DS-5.08X7.62-DC3-RM | 5 | 5.08 x 7.62 | 0.2 x 0.3 | Microdot | Right Angle | Right Angle Potted | 19.4 mm (0.76 in) | 15.1 mm (0.59 in) | 22.2 mm (0.87 in) | 0.46 x 0.63 (in) | ||
Q3300873
| 7.5DS-0.375-0LW-DC1-P-1-RP | 7.5 | 9.52 | 0.375 | BNC | Right Angle | Right Angle Potted | 14.73 mm (0.58 in) | 18.54 mm (0.73 in) | 0.455 in diameter | |||
Q3300872
| 7.5DS-0.375-0LW-DC1-P-1-RPL | 7.5 | 9.52 | 0.375 | LEMO 00 | Right Angle | Right Angle Potted | 14.73 mm (0.58 in) | 18.54 mm (0.73 in) | 0.455 in diameter | |||
Q3300945
| 7.5DS-0.375-0LW-DC2-P-1-RP | 7.5 | 9.52 | 0.375 | BNC | Right Angle | Right Angle Potted | 14.73 mm (0.58 in) | 18.54 mm (0.73 in) | 0.56 in diameter | |||
Q3301219
| 7.5DS-0.375-0LW-DC2-P-1-RPL | 7.5 | 9.52 | 0.375 | LEMO 00 | Right Angle | Right Angle Potted | 14.73 mm (0.58 in) | 18.54 mm (0.73 in) | 0.56 in diameter |
Item Number | Part Code | ||
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Q7000475
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SDC4-0L REPLACEMENT WEDGE KIT
| ||
Q7000476
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SDC5-0L REPLACEMENT WEDGE KIT
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Item Part Number | Part Code | Kit Includes | ||
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Q7790167
| DC-KIT-TOOLBOX | 1 Each: 7.5DS-0.375-0LW-DC1-P-1-RPL (Right Potted LEMO), 7.5DS-0.375-0LW-DC1-P-1-RP (Right Potted BNC), 7.5DS-0.375-0LW-DC2-P-1-RP (Thick-wall Housing, Right Potted BNC), 7.5DS-0.375-0LW-DC2-P-1-RPL (Thick-Wall Housing, Right Potted LEMO), 5DS-5.08X7.62-DC3-RM, 5DS-12.7X12.7-0LW-DC4-RM-RW, 5DS-12.7X25.4-0LW-DC5-RM-RW, SDC4-0L REPLACEMENT WEDGE KIT, and SDC5-0L REPLACEMENT WEDGE KIT | ||
Q7790168
| DC-KIT-RP-TOOLBOX | 1 Each: 7.5DS-0.375-0LW-DC1-P-1-RP (Right Potted BNC), 7.5DS-0.375-0LW-DC2-P-1-RP (Thick-wall Housing, Right Potted BNC), 5DS-5.08X7.62-DC3-RM, 5DS-12.7X12.7-0LW-DC4-RM-RW, 5DS-12.7X25.4-0LW-DC5-RM-RW, SDC4-0L REPLACEMENT WEDGE KIT, and SDC5-0L REPLACEMENT WEDGE KIT | ||
Q7790168
| DC-KIT-RPL-TOOLBOX | 1 Each: 7.5DS-0.375-0LW-DC1-P-1-RPL (Right Potted LEMO), 7.5DS-0.375-0LW-DC2-P-1-RPL (Thick-Wall Housing, Right Potted LEMO), 5DS-5.08X7.62-DC3-RM, 5DS-12.7X12.7-0LW-DC4-RM-RW, 5DS-12.7X25.4-0LW-DC5-RM-RW, SDC4-0L REPLACEMENT WEDGE KIT, and SDC5-0L REPLACEMENT WEDGE KIT |
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Item Number | Part Code | Frequency (MHz) | Nominal Element Size | Connector Type | |||
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mm | Inches | ||||||
U8452055
| DHC703-RM | 1 | 13 | 0.5 | Right Microdot | ||
U8452060
| DHC785-RM | 2.25 | 6 | 0.25 | Right Microdot | ||
U8452056
| DHC706-RM | 2.25 | 13 | 0.5 | Right Microdot | ||
U8451001
| CHC706-RM | 2.25 | 13 | 0.5 | Right Microdot | ||
U8452058
| DHC711-RM | 5 | 6 | 0.25 | Right Microdot | ||
U8452057
| DHC709-RM | 5 | 13 | 0.5 | Right Microdot | ||
U8452059
| DHC713-RM | 10 | 6 | 0.25 | Right Microdot |
Flush Case Dual Cables
| Composite Element Flush Case Duals
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Frequency (MHz) | Nominal Element Size | BNC | ||||
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in. | mm | Part / Item No. | ||||
3.5 | 0.375 | 10 | D783-RPU8452049
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Extended Range Duals
| Transducer Dimensions (in inches)
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Item Number | Part Code |
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Miniature Tip Dual
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