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Contact Probes

Contact probes are single element longitudinal wave probes intended for use in direct contact with a test piece and they consist of receptacles, cases, protective membrane, piezoelectric elements, sound-absorbing materials and other components.

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Contact probes are single element longitudinal wave probes intended for use in direct contact with a test piece and they consist of receptacles, cases, protective membrane, piezoelectric elements, sound-absorbing materials and other components.

 

The connectors of the probe cables are Q6 connectors for small element probes (Diameter=12mm) and Q9 connectors for other element probes.

 

The contact probes are widely used for the inspection of forgings, castings, rods, plates, shafts and etc.

  • The piezoelectric elements are used for transmitting and receiving the ultrasonic waves.
  • The protective membrane is made of high hardness corundum film featuring high resistance to abrasion and corrosion.
  • The cases are made of aluminum alloy with the surface sanding and passivation.
  • The absorbing materials are used to absorb the back noise of the elements.
  • The receptacles are the electric signal interfaces for connecting an instrument with a probe cable.

Contact probes for common use

Frequency(MHz) Element size(mm) Type Case Receptacle
0.5 20 0.5P20 A2 Q9
28 0.5P28 A3
1.25 14 1.25P14 A1
20 1.25P20 A2
28 1.25P28 A3
2.5 14 2.5P14 A1
20 2.5P20 A2
28 2.5P28 A3
5 14 5N14 A1
14 5P14 A1
20 5P20 A2

*The other contact probes are manufactured on a special basis to customer specifications. Contact us to discuss applications.

Miniature contact probe

Frequency(MHz) Element size(mm) Type Case Receptacle
2.5 6 2.5P6 A7 Q6
8 2.5P8 A6
10 2.5P10 A5
12 2.5P12 A4
5 10 5N10 A5
6 5P6 A7
8 5P8 A6
10 5P10 A5
12 5P12 A4
10 6 10N6 A7
6 10P6 A7

*N:High damping narrow pulse probes
*The other contact probes are manufactured on a special basis to customer specifications. Contact us to discuss applications.

Soft membrane contact probe

Probe contact surface is the replaceable soft film used for detecting rough surface of the work piece, the probe type: 2.5P20 (frequency: 2.5MHZ, element size: Ф20mm).