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The measurement unit contains of a matrix antenna array with 48 (12 blocks, each containing 4 elements) low-frequency broad
banded transducers of shear waves with dry-point-contact and ceramic wear resistant tips. Hence, they can work with rough
surfaces for the long time. Each transducer is equipped with an independent spring suspension, thus allowing inspection on
uneven surfaces. The rated array frequency is 50 kHz. (Figure 3).
А1040 MIRA Low-Frequency Ultrasonic Tomograph
11
ACOUSTIC
CONTROL
SYSTEMS
1
Figure 3
Operation Manual
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