| 摘要 |
The invention relates to a probe head system (10), especially a planar probe head, for coupling ultrasonic signals to a planar component to be tested by way of free water jet technology. Said probe head system comprises a probe head (12), at least one pre-flow chamber (14, 16) having at least one water inlet (78), and at least one flow chamber (42), mounted downstream of the pre-flow chamber (14, 16) and having a preferably slot-type water outlet opening (50). The invention further relates to a device for the ultrasonic testing of a component. The aim of the invention is to devise a simple, light-weight probe head system which can be easily adapted to various measurement conditions. The probe head (12) is detachably arranged outside the at least one flow and/or pre-flow chamber (14, 16) in a freely accessible manner, a lateral surface (64) of the probe head (12) having transceiver elements defining an inner wall section of the flow chamber (42). The planar probe head (10) is connected to a glide plate (24, 152) defining a lower face (56, 156) of the planar probe head (10) on the component side, the planar extension of said glide plate being larger along the component (160) than the planar extension of the base (28) along the component (160), and the glide plate (24, 152) having the slot-type water outlet opening (50).
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