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Ultrasonic flaw detector straight probe
Ultrasonic flaw detector straight probe
Product details


Ultrasonic flaw detector straight probe


☆ Measurement range: 0.0~10000mm


☆ Operating frequency: 1000-15000m/s


☆ Detection accuracy: 0.2-20MHz


☆ Indication error: 0.01








Product Introduction

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Single crystal probe for vertical flaw detection, mainly used for longitudinal wave flaw detection. The straight probe consists of a socket, a housing, a protective film, a piezoelectric chip, sound-absorbing material, etc.

The probe for small chips (diameter<=12mm) has a Q6 socket for the probe wire interface, while other chip probes have a Q9 socket for the probe wire interface.

The ultrasonic waves generated by the straight probe are longitudinal wave velocities perpendicular to the surface of the probe. The use of straight probes is very extensive, with typical applications including forgings, castings, bars, plates, shafts, etc

  • The transmission/reception of ultrasound is completed by piezoelectric chips.
  • The protective film is made of high hardness corundum sheet, which is wear-resistant.
  • Aluminum alloy shell, surface sandblasting/passivation treatment.
  • Sound absorbing materials are used to absorb noise from the back of chips.
  • The socket is an electrical signal interface that is connected to the instrument through a probe wire.

Straight probe (common specifications)

Frequency (MHz) Chip diameter (mm) model Shell Socket
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

*Other specifications of straight probes can be customized according to customer needs. Please contact for details.

Micro straight probe

Frequency (MHz) Chip diameter (mm) model Shell Socket
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 probe
*Other specifications of straight probes can be customized according to customer needs. Please contact for details.

Soft film straight probe

The contact surface of the probe is a replaceable soft film, used to detect workpieces with rough surfaces, model 2.5P20 (frequency 2.5MHz, chip diameter 20mm).

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