ultrasonic sensors

How Is Ultrasonic Sound Detected?

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How Is Ultrasonic Sound Detected? Ultrasonic sensors use sound waves above the 20 kHz range to detect objects in proximity, similar to how bats use echolocation to maneuver without colliding into obstacles. How is ultrasonic measured? An ultrasonic device operates by combining the creation of a pulse, or series of pulses of sound by measuring

Is Riddex Safe For Pets?

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Is Riddex Safe For Pets? Many animals, including dogs, are capable of hearing frequencies as high as 45 to 67 kilohertz, so they can hear these sounds made by electronic repellents. However, unless the sounds are extremely loud, they are unlikely to affect your dog, as high frequencies do not cause discomfort to the animals