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NDT Equipment and Accesories
Measuring and Testing Instruments

Panametrics-NDT Ultrasonic Transducers

Angle Beam Transducers

Miniature Angle Beam Transducers and Wedges are used primarily for testing of weld integrity. Their design allows them to be easily scanned back and forth and provides a short approach distance.

Angle beam transducers are single element transducers used with a wedge to introduce a refracted shear wave or longitudinal wave into a test piece.

Advantages:

  • Three-material design of our Accupath wedges improves signal-to-noise characteristics while providing excellent wear resistance
  • High temperature wedges available for in-service inspection of hot materials
  • Wedges can be customized to create nonstandard refracted angles
  • Available in interchangeable or integral designs
  • Contouring available
  • Wedges and integral designs are available with standard refracted angles in aluminum

Applications:

  • Flaw detection and sizing
  • For time-of-flight diffraction transducers see page 25
  • Inspection of pipes, tubes, forgings, castings, as well as machined and structural components for weld defects or cracks

 

Miniature Screw-In Transducers

  • Screw-in design 303 stainless steel case
  • Transducers are color coded by frequency
  • Compatible with Short Approach, Accupath, High Temperature and Surface Wave Wedges
Nominal Element Size Freq. Transducer Part Numbers
inches mm MHz ACCUSCAN-S CENTRASCAN VIDEOSCAN
0.50 13 1.0 A539S-SM C548-SM V539-SM
2.25 A540S-SM C540-SM V540-SM
3.5 A545S-SM C545-SM V545-SM
5.0 A541S-SM C541-SM V541-SM
10 A547S-SM - V547-SM
0.375 10 1.5 A548S-SM - -
2.25 A549S-SM C549-SM V549-SM
3.5 A550S-SM C550-SM V550-SM
5.0 A551S-SM C551-SM V551-SM
10 A552S-SM - V552-SM
0.25 6 2.25 A542S-SM C542-SM V542-SM
3.5 A546S-SM C546-SM V546-SM
5.0 A543S-SM C543-SM V543-SM
10 A544S-SM C544-SM V544-SM

 

 

Transducer Dimensions
(in inches)
Nominal Element Size (A) (B) (C) Thread Pitch
0.50 0.71 0.685 0.257 11/16 - 24
0.375 0.58 0.65 0.257 9/16 - 24
0.25 0.44 0.55 0.22 3/8 - 32

Accupath Wedges

  • Small wedge footprint
  • Pointed toe design allows transducer rotation even when the nose is touching a weld crown
  • Special wedge design for use with 10 MHz transducer

Miniature Screw-In Wedges for 1-5 MHz

Nominal
Element Size 		Wedge Part Numbers
in mm Short Approach† Accupath* High Temp*
500°F (260°C)		 Very High Temp*
900°F
(480°C)		 Surface Wave 90°
0.50 13 ABSA-5T-X° ABWM-5T-X° ABWHT-5T-X° ABWVHT-5T-X° ABWML-5T-90°
0.375 10 ABSA-7T-X° ABWM-7T-X° ABWHT-7T-X° ABWVHT-7T-X° ABWML-7T-90°
0.25 6 ASSA-4T-X° ABWM-4T-X° ABWHT-4T-X° ABWVHT-4T-X° ABWML-4T-90°

Miniature Screw-In Wedges for 10 MHz Transducers

Nominal
Element Size 		Wedge Part Numbers
in mm Short Approach† Accupath* Surface Wave 90°
0.50 13 ABSA-5T-X° ABWM-5ST-X° ABWML-5ST-90°
0.375 10 ABSA-7T-X° ABWM-7ST-X° ABWML-7ST-90°
0.25 6 ASSA-4T-X° ABWM-4ST-X° ABWML-4ST-90°

† Short Approach Wedges are available in standard refracted shear wave angles of 45°, 60°, and 70° in steel at 5.0 MHz.

*Accupath Wedges are available in standard refracted shear wave angles of 30°, 45°, 60°, and 70° in steel at 10 MHz.

 

 

 

 

Accupath and Surface Wave Wedge Dimensions*
(Miniature Screw-in)
Fits Nominal Element Size (in inches)
    0.5   0.375   0.25
    (A) (B) (C) (D)   (A) (B) (C) (D)   (A) (B) (C) (D)
30°   0.72 1.22 0.77 0.54   0.62 1.03 1.03 0.42   0.49 0.66 0.45 0.23
45°   0.70 1.03 0.73 0.38   0.60 0.85 0.61 0.32   0.43 0.61 0.43 0.235
60°   0.74 1.19 0.73 0.45   0.67 1.00 0.61 0.367   0.48 0.71 0.43 0.268
70°   0.79 1.34 0.73 0.50   0.69 1.12 0.61 0.406   0.50 0.81 0.43 0.305
90°   1.25 1.84 0.77 -   1.00 1.48 1.48 -   0.83 1.13 0.45 -

Short Approach Wedges

  • Smallest footprint
  • Short approach distance allows for inspection closest to the weld crown

Short Approach Wedge Dimensions
(Miniature Screw-in)

Fits Nominal Element Size (in inches)
   

0.5

  

0.375

  

0.25
   

(A)

(B)

(C)

(D)

  

(A)

(B)

(C)

(D)

  

(A)

(B)

(C)

(D)

45°

  

0.70

1.03

0.73

0.38

  

0.60

0.85

0.61

0.32

  

0.43

0.61

0.43

0.235

60°

  

0.74

1.19

0.73

0.45

  

0.67

1.00

0.61

0.367

  

0.48

0.71

0.43

0.268

70°

  

0.79

1.34

0.73

0.50

  

0.69

1.12

0.61

0.406

  

0.50

0.81

0


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