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Immersion Probes

Immersion probes are typically used for semi-automatic or automated inspection systems. Work pieces and the probes are immersed in water, and there is a certain distance between the probes and the detection surface of the work pieces.

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Immersion probes are typically used for semi-automatic or automated inspection systems. Work pieces and the probes are immersed in water, and there is a certain distance between the probes and the detection surface of the work pieces. Since the immersion probes do not directly contact with work pieces, so that they can be used for the inspection of irregular surface, complex geometry surface or rough surface of work pieces.

  • When the beam axis transmitted by the probe is perpendicular to the detection surface, the longitudinal wave direct beams begin to scan the work pieces.
  • Adjust the beam axis of the immersion probe to form a certain angle with the detection surface, the beam generates a refraction at the interface between water and the work piece so that to introduce an inclined transverse beam to scan the work piece.
  • The plexiglass or cured epoxy resin in front of the elements of the immersion probes can be made into a certain arc (spherical or columnar shape) so that to obtain dot focus or line focus immersion probes.

Immersion probes (Plane)

Frequency (MHz) Element size(mm) Type* Receptacle
1.25 20 1.25P20 Q9
2.5 6 2.5P6
14 2.5P14
20 2.5P20
25 2.5P25
5 6 5P6
8 5P8
12 5P12
14 5P14
20 5P20
8 5N8
14 5N14
10 6 10P6
8 10P8
12 10P12
6 10N6

*N indicated in probe type is the narrow pulse immersion probe.
Immersion probes (Dot focus)

Frequency (MHz) Element size(mm) Type* Receptacle
2.5 10 2.5P10 F** Immersion probes,
with a probe cable,
Connect an instrument directly
14 2.5P14 F**
20 2.5P20 F**
5 10 5N10 F**
14 5N14 F**
10 10 10N10 F**
10 10P10 F**

*The focal distances of the probes in water are manufactured on a special basis to specifications.
**F The focal distances of the probes in water are manufactured on a special basis to specifications.
The frequencies and element size of other dot focused probes are manufactured on a special basis to specifications.
Immersion probes (line focus )

Frequency (MHz) Element size(mm) Type* Receptacle
5 10 2.5P10 F** Immersion probes,
with a probe cable,
Connect an instrument directly
10 2.5P10 F**
10 2.5P10 F**
5 10 2.5P10 F**
10 2.5P10 F30
10 2.5P10 F40
10 2.5P10 F50

**F The focal distances of the probes in water are manufactured on a special basis to specifications.
The frequencies and element size of other line focus probes are manufactured on a special basis to specifications.