TStarc


Overview

Sonatest offers a range of TStarc general weld probes in two different lines:

Compression variant

Twin crystal 0° compression wave probe with hard face (ceramic) for long life.  Very good sensitivity and resolution.  For use on smooth and machines surfaces.

Shear wave variant

Angle beam twin crystal probe with 8 x 5 mm (x2) crystal size in stainless steel houding.  This product has very good sensitivity and resolution especially on near face and short range detection.

Features

  • Twin Perspex delay contact probes
  • Lead Zirconate Titanate crystal
  • 2 MHz and 4 MHz variants, 10 mm and 20 mm diameter crystal
  • Available with Lemo 00 and Subvis connectors

Frequent applications

  • Bars & Billets
  • Bond Testing
  • Brazed Joints
  • Casting & Forging
  • Ceramics
  • Composites
  • Critical Welds

Transducer Models

Product Code Description Frequency
(MHz)
Crystal Diameter
(mm)
Nearfield Length*
(mm) N
TSTARC2-10 Twin Crystal Ø10mm 2Mz 2 10 8.5
TSTARC2-20 Twin Crystal Ø20mm 2Mz 2 20 33
TSTARC2-45 Twin Shear 2Mhz 45° 2 2 x (8 x 5) 4
TSTARC2-60 Twin Shear 2Mhz 60° 2 2 x (8 x 5) 4
TSTARC2-70 Twin Shear 2Mhz 70° 2 2 x (8 x 5) 4
 
TSTARC4-10 Twin Crystal Ø10mm 4Mz 4 10 17
TSTARC4-20 Twin Crystal Ø20mm 4Mz 4 20 68
TSTARC4-25 Twin Crystal Ø20mm 4Mz 4 2 x (8 x 5) 7.5
TSTARC4-60 Twin Crystal Ø20mm 4Mz 4 2 x (8 x 5) 7.5
TSTARC4-70 Twin Crystal Ø20mm 4Mz 4 2 x (8 x 5) 7.5

 

Size Options Connector
Probe Size Case Dimensions Type Position
Ø
(mm)
A
(mm)
B
(mm)
C
(mm)
Lemo 00
(Z)
Top
(T)
10 34 33 33 x x
20 34 33 33 x x
2 x (8 x 5) 21 15 29 x x
10 37 25 25 x x
20 37 25 25 x x