HYDZ HY40A12T09-1 40kHz Open Transmitter 12x9mm Ultrasonic Sensor ROHS

HYDZ HY40A12T09-1 40kHz Open Transmitter 12×9mm Ultrasonic Sensor ROHS

The HYDZ HY40A12T09-1 Ultrasonic Open Transmitter is a compact and efficient 40kHz ultrasonic transmitting unit designed for high-precision distance measurement and object detection applications. Built with a 12×9 mm plugin-style structure and a sensitivity rating of -65 dB, this transmitter delivers dependable acoustic output for ultrasonic systems used in robotics, automation, and level sensing.

Ultrasonic sensors work by emitting high-frequency sound waves—typically between 20 kHz and 40 kHz—and measuring the time it takes for these waves to return after hitting a target. This time-of-flight method allows accurate distance calculation, making ultrasonic technology ideal for a wide range of industrial and automation applications.

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