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NDT Equipment and Accesories
Measuring and Testing Instruments

Panametrics-NDT Ultrasonic Transducers

High Frequency Transducers

Contact transducers are available in frequencies up to 225 MHz. Performance is dependent on pulser/receiver and application. All transducers are manufactured on a special basis to customer specifications. Contact us to discuss applications.

High Frequency Transducers

 

High frequency transducers are single element contact or immersion transducers designed to produce frequencies of 20 MHz and greater.

Advantages:

  • Heavily damped broadband design provides excellent time resolution
  • Short wavelengths for superior flaw resolution capabilities
  • Focusing allows for very small beam diameters
  • Frequencies range from 20 MHz to 225 Mhz

 

High Frequency Contact

  • Permanent fused silica delay line allows for flaw evaluation, material analysis or thickness measurements using a direct contact testing method
  • Three different delay line configurations (BA, BB, BC) allow for various combinations of delay line echoes
  • Standard connector style is Right Angle Microdot® (RM)

 

Freq Nominal
Element Size 		Delay Transducer
Part Numbers
MHz inches mm µsec  
20 0.25 6 4.25 V212-BA-RM
0.25 6 4.25 V212-BB-RM
0.25 6 2.5 V212-BC-RM
30 0.25 6 4.25 V213-BA-RM
0.25 6 4.25 V213-BB-RM
0.25 6 2.5 V213-BC-RM
50 0.25 6 4.25 V214-BA-RM
0.25 6 4.25 V214-BB-RM
0.25 6 2.5 V214-BC-RM
0.125 3 4.25 V215-BA-RM
0.125 3 4.25 V215-BB-RM
0.125 3 2.5 V215-BC-RM
75 0.25 6 2.5 V2022 (BC)
0.125 3 2.5 V2025 (BC)
100 0.125 3 4.25 V2054 (BA)
0.125 3 2.5 V2012 (BC)
125 0.125 3 2.5 V2062

Please contact us for transducers in higher frequencies.

 

Transducer Dimensions
(in inches)
Delay Style (A) (B) (C)
BA 0.72 0.81 1.00
BB 0.34 0.44 0.81
BC 0.34 0.44 0.63

 

High Frequency Standard Immersion Case

 

 
  • Permanent fused silica delay line
  • Focused units use an optical quality ground lens
  • F202 adaptor allows fixturing with a passive UHF connector and an active Microdot® style connector (see page 38)
  • Combines high frequency with a small case design

 

Freq Nominal
Element Size 		Delay Focal
Length 		Transducer
Part Numbers
MHz inches mm µsec inches mm  
20 0.25 6 4.25 flat   V354-SU
0.25 6 2.5 0.75 19 V372-SU
0.25 6 4.25 1.25 32 V373-SU
0.25 6 4.25 2.00 51 V374-SU
30 0.25 6 4.25 flat   V356-SU
0.25 6 2.25 0.75 19 V375-SU
0.25 6 4.25 1.25 32 V376-SU
0.25 6 4.25 2.00 51 V377-SU
50 0.25 6 4.25 flat   V358-SU

High Frequency SU/RM Immersion Case

 

  • Permanent fused silica delay with an optical quality ground lens provides a high degree of precision in beam alignment and focusing
  • Stainless steel case has a passive Straight UHF (SU) connector and an active Right Angle Microdot (RM) connector
  • Large cases allow for larger delay lines and decrease in delay reverberations and noise

 

Freq Nominal
Element Size 		Delay Focal
Length 		Transducer
Part Numbers
MHz inches mm µsec inches mm  
50 0.25 6 19.5 0.50 13 V390-SU/RM
0.25 6 19.5 0.75 19 V3192
0.25 6 19.5 1.00 25 V3193
0.25 6 19.5 1.75 45 V3409
0.25 6 19.5 2.00 51 V3337
0.25 6 9.4 0.20 5 V3330*
0.125 3 19.5 0.50 13 V3332
75 0.25 6 19.5 0.50 13 V3320
0.25 6 19.5 0.75 19 V3349
90 0.25 6 19.5 0.50 13 V3512
100 0.25 6 19.5 0.50 13 V3194
0.25 6 19.5 1.00 25 V3394
0.25 6 9.4 0.20 5 V3534*
0.125 3 10 0.25 6 V3346

*Transducers create surface waves in steel, titanium and other materials with similar velocities.

Please contact us for higher frequency.

Lightweight High Frequency transducers are an alternative to the SU/RM case style transducers.
They offer a smaller case width and lighter weight without sacrificing performance.

 

Polymer (PVDF) Immersion Transducers

  • Provides optimal impedance match to water without the use
    of a delay line or lens.
  • No delay line echoes as seen in fused silica designs.
  • Broadband performance

 

Frequency Nominal
Element Size 		Part Number Standard Focal
MHz inches   inches
15 0.25 PI15-2-RX.XX" 1.00
20 0.25 PI20-2-RX.XX" 0.50, 1.00, 1.50, 2.00
35 0.25 PI35-2-RX.XX" 0.50, 0.75, 1.00, 1.50, 2.00
50 0.25 PI50-2-RX.XX" 0.50, 0.75, 1.00, 1.50, 2.00
75 0.125 PI75-1-RX.XX" 0.50, 1.00

Note: Please replace X.XX" with the standard focal length of your choice.
Due to the fact that polymer transducers are inherently broadband, their center frequency may be
lower than the frequency indicated on the transducer.
Note: Polymer transducer center frequencies are based on the film thickness of the polymer film
element. Performance is highly dependent on pulser and cable characteristics and effective center
frequency may be 15% to 25% lower than the nominal value.