Sondes et traducteurs

Probes for Sub-Surface Corrosion and Crack Detection

SAA-112-005-032 Probe Specifications

Typical application
Corrosion detection under conductive material. For example, the inspection of lap-joints on aluminum airplane skins (layers 1 and 2). Lap-joint inspection for corrosion detection between aluminum sheets.

Probe specifications
Probe coverage: 112 mm (4.4 in.)
Probe resolution: 3.5 mm (0.138 in.)
Frequency range: 2 kHz to 20 kHz
Number of elements: 32
Cable length: 3 m (10 ft)
Operation mode: Transmit/receive. Orientation at about 30°.
Penetration in aluminum: 1.0 mm to 3.0 mm (0.040 in. to 0.120 in.)
Detection capability: 5 % corrosion under 2 mm (0.080 in.) with a diameter of 6 mm (0.25 in.). 10 % corrosion under 3 mm (0.120 in.) with a diameter of 6 mm (0.25 in.)

SAA-056-005-016 Probe Specifications

Typical application
Corrosion detection under conductive material. For example, the inspection of aluminum lap-joints, and airplane skins.

Probe specifications
Probe coverage: 56 mm (2.2 in.)
Probe resolution: 3.5 mm (0.138 in.)
Frequency range: 2 kHz to 20 kHz
Number of elements: 32
Cable length: 3 m (10 ft)
Operation mode: Transmit/receive. Orientation at about 30°.
Penetration in aluminum: 1.0 mm to 3.0 mm (0.040 in. to 0.120 in.)
Detection capability: 5 % corrosion under 2 mm (0.080 in.) with a diameter of 6 mm (0.25 in.). 10 % corrosion under 3 mm (0.120 in.) with a diameter of 6 mm (0.25 in.)

SAA-128-002-032 Probe Specifications

Typical application
Corrosion detection under thick aluminum lap joints (layers 3 and 4). As this probe is shielded, it offers better performance for deep corrosion under thick structures. In addition, this probe offers a larger footprint for rapid scanning

Probe specifications
Probe coverage: 128 mm (5.04 in.)
Probe resolution: 4 mm (0.160 in.)
Frequency range: 1.0 kHz to 20 kHz
Number of elements: 32
Cable length: 3 m (10 ft)
Operation mode: Transmit/receive. Orientation at about 30°.
Penetration in aluminum: 3.0 mm to 6.0 mm (0.120 in. to 0.240 in.)
Detection capability: 10 % corrosion under 5 mm (0.200 in.) with a diameter of 12.5 mm (0.5 in.)

SCA-128-002-032 Probe Specifications

Used for the Gulfstream application as per NDT Manual references CB137 and CB188.

Probe specifications are identical to SAA-128-002-032.

SAA-064-002-032 Probe Specifications


Typical application
Corrosion detection under thick aluminum lap joints (layers 3 and 4). As this probe is shielded, it offers better performance for deep corrosion under thick structures. In addition, this probe offers a smaller footprint if access is restricted.

Probe specifications
Probe coverage: 64 mm (2.5 in.)
Probe resolution: 4 mm (0.160 in.)
Frequency range: 1.0 kHz to 20 kHz
Number of elements: 32
Cable length: 3 m (10 ft)
Operation mode: Transmit/receive. Orientation at about 30°.
Penetration in aluminum: 3.0 mm to 6.0 mm (0.120 in. to 0.240 in.)
Detection capability: 10 % corrosion under 5 mm (0.200 in.) with a diameter of 12.5 mm (0.5 in.)

SAB-067-005-032 Probe Specifications

Typical application
Corrosion and crack detection under conductive material. Can be used for lap-joint inspection (second layer crack and corrosion) and for doubler edge inspection (as per Boeing 737 Service Bulletin reference 53-30-25 part 6).

Probe specifications
Probe coverage: 67 mm (2.64 in.)
Probe resolution: 2.1 mm (0.082 in.)
Frequency range: 2 kHz to 20 kHz
Number of elements: 32
Cable length: 3 m (10 ft)
Operation mode: Transmit/receive on two rows and about 30° orientation.
Penetration in aluminum: 1.0 mm to 3.5 mm (0.040 in. to 0.140 in.)
Detection capability: 3.8 mm (0.150 in.) long second layer crack at fastener. The first layer can have a thickness up to 2 mm (0.080 in.) of aluminum, 5 % Corrosion under 2 mm (0.080 in.) with a diameter of 6 mm (0.25 in.), 10 % Corrosion under 3 mm (0.120 in.) with a diameter of 6 mm (0.25 in.).

SDBR-021-002-016 Probe Specifications

Typical application
Subsurface crack detection at fastener with a deep penetration in aluminum.

Probe specifications

Probe coverage: 21 mm (0.827 in.)
Probe resolution: 1.3 mm (0.052 in.)
Frequency range: 0.3 kHz to 40 kHz
Number of elements: 16
Cable length: 3 m (10 ft)
Operation mode: Differential transmit/receive using a large axial field (LAFEC)
Penetration in aluminum: Up to 6 mm
Detection capability: 3.0 mm (0.120 in.) long second and third layer crack at fastener.

SDCR-021-002-016 Probe Specifications

Typical application
Subsurface crack detection at fastener with a deep penetration in aluminum. In many cases, this probe provides simpler signal interpretation.

Probe specifications
Probe coverage: 21 mm (0.827 in.)
Probe resolution: 1.3 mm (0.052 in.)
Frequency range: 0.3 kHz to 40 kHz
Number of elements: 16
Cable length: 3 m (10 ft)
Operation mode: Absolute transmit/receive using a large axial field (LAFEC)
Penetration in aluminum: Up to 6 mm
Detection capability: 3.0 mm (0.120 in.) long second and third layer crack at fastener.


Choose your language: English | français | 日本語 | 中文 | Español | Deutsch | čeština | Tiểng Việt | italiano
© 2006 Olympus NDT, Tous droits réservés | Modalités d'utilisation | Déclaration de confidentialité