A-class Ultrasonic Sound Laboratory Apparatus
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ultrasonic laboratory apparatus
The ultrasonic wave means that the sound wave of which frequency is higher than the upper limit of hearing of ears. The ultrasonic technique is the modern acoustic one that is used widely. The ultrasonic detection is an important means by which the equipment quality can be guaranteed. The ultra-B instrument has become a favorable helper for human healthy. The ultrasonic inspection is one of main methods by which the non-destructive test is carried out. On base of the propagation rule of ultrasonic wave in media, the material proper and size, shape and distribution of imperfection (crack, inclusion and lack of fusion) on surface of it as well as material properties can be inspected nondestructively by the ultrasonic wave under conditions of the influence of material proper of detected work pieces or acoustic property of internal defect upon the ultrasonic wave propagation. The ultrasonic inspection can detect the heavy forging due to higher sensitivity and stronger penetrability. The detected material is up to much more meter in thickness and the material can be detected on one side so that the on-line inspection and monitoring can be implemented. This apparatus is a nondestructive ultrasonic pulse reflection-type detecting instrument. It is not only used for medicine as ultrasonic diagnostic apparatus but also is used for industry as ultrasonic detector. This apparatus is not only used for the medical physical experiment in medical specialty but also is used for the fundamental physical, modern physical and comprehensive designed experiments in common universities and colleges and technical secondary schools due to the rich, safe and reliable experimentation as well as extensive application.
The following experiments can be carried out when this apparatus is used:
1. Use A-class ultrasonic laboratory apparatus to measure the sound velocity in water and thickness of water layer;
2. Use A-class ultrasonic laboratory apparatus to measure the thickness of viscera of human body;
3. Use A-class ultrasonic laboratory apparatus to measure the width of human brain;
4. Use A-class ultrasonic laboratory apparatus to measure the thickness of solid and to carry out the ultrasonic nondestructive inspection.