Ultrasonic sensor advantages and disadvantages

The sensor in which uses ultrasonic sound waves for sensing is known as an ultrasonic sensor. Ultrasonic sensor refers to unavailable sound waves above the frequency of 20 kHz. There is two-part in an ultrasonic sensor viz. transmitter and receiver. Here this article gives information about the advantages and disadvantages of the ultrasonic sensor to better understand this topic.

Advantages of Ultrasonic sensor:

  • The discrete distance of moving objects can be measured.
  • Highly accurate within a range.
  • The range of detection is very late, makes the sensor useful in many applications.
  • The received values don't get affected by the colors of the object.
  • It has a low cost.
  • Compact in size.
  • The range of detection is very huge, which makes the sensor useful in many applications.
  • It has high efficiency.
  • No magnetic interference.
  • High torque weight/ratio.
  • It provides a good reading in sensing large-sized objects with the hard surfaces.
  • It has energy saving.
  • It has to sense the capability to sense all the material types.
  • This sensor is not affected due to atmospheric dust, snow, rain, etc.
  • It can work in any adverse condition.
  • These sensors could easily sense the nature, shape, and orientation of that specific object which is within the area of these sensors.
  • The ultrasonic sensor has high frequency, high operating power, and high sensitivity therefore it can easily detect the external or deep objects.
  • It has a higher sensing distance compare to the inductive/capacitive proximity sensor type.
  • These sensors easily interface with a microcontroller or any type of controller.
  • Their sensors are easy to use, not dangerous during operation for nearby objects, persons, equipment, or material. 
  • These sensors have greater accuracy than another method for measuring the thickness and depth of parallel suffice.

Disadvantages of Ultrasonic sensor:

  • Use of high-frequency power supply.
  • Less constancy.
  • It is very sensitive to variation in temperature.
  • Suppression of heat is required.
  • Dropping torque-speed characteristic.
  • When these sensors are used for inspection purpose then these should be must be water-resistive otherwise they could be damaged.
  • It has more difficulties in reading reflections from the soft, curved, thin, and small object.
  • When these sensors are interfaced with a microcontroller or any controller then an experienced person or good programmer is required.
  • During the development inspection procedure of equipment using ultrasonic tester extensive knowledge and skill is required are testing technicians.
  • During the use of ultrasonic tester for testing, it is very important to know the operational manual, in other words, it is required careful attention for an experienced skilled, knowledgable technician.
Explore more information:
  1. Proximity sensor - Advantages and Disadvantages
  2. IR sensor - Advantages and Disadvantages
  3. Temperature sensor  - Advantages and Disadvantages 
  4. RTD - Advantages and Disadvantages
  5. Light sensor -  Advantages and Disadvantages

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