The dry foam and wet foam can reflect the ultrasonic wave back, so the ultrasonic liquid level gauge is used to measure no effect; the neutral foam will absorb and diffuse some ultrasonic waves, which will weaken the reflection of the ultrasonic wave and cause the echo to be unstable.

Advantages of Ultrasonic Testing. Higher penetrating power allows the flaw detection deep in the part. Higher sensitivity allows the detection of even extremely small flaws. In several cases, only one surface requires to be accessed. Higher accuracy than the other non-destructive testing techniques to find the depth of the internal flaws as

Ultrasonic Testing-Principle, Advantages and Disadvantages · Inspection of small, rough, extremely thin, and irregularly shaped materials is 

Advantages of capacitance level sensor It can be operated in high temperature and pressure Can be used with solids and slurries It can be used with mixed materials It would give continuous indication Disadvantages of capacitance level sensor It can't be used with varying dielectric materials

10/25 · Used for industrial liquid tanks, or river water level non-contact monitoring and control. Ultrasonic Water Level Sensor is also often called “Ultrasonic Level Sensor”, “Ultrasonic Level Detector”, “Ultrasonic Level Sensor 4-20ma” or “Ultrasonic Level Transmitter” “Ultrasonic liquid level sensor”. Range: 1m, 2m, 5m, 10m, 15m

Advantages of using Flow Meter Clamp on ultrasonic:‎. There is no barrier on the flow trajectory, so there is no pressure drop. There are no moving parts, so no parts wear out that cause low maintenance costs. Multi sensor models have higher accuracy‎. It can be used to measure corrosive fluid flow and slurry.

Disadvantages of Ultrasonic Testing Techniques: · Training is more extensive than other methods · More expensive than other methods · Difficult to use on thin 

Low maintenance: Since they have no moving parts, have no need for cutting and don't come in contact with harmful substances, clamp-on ultrasonic flowmeters 

Level Measurement – Ultrasonic Type Working Principle Application Advantages and Disadvantages · 1.Can be used in any tank size · 2.Can be used in 

Disadvantages of Using Ultrasonic Liquid Level Sensors Not Appropriate for Use with Every Liquid Medium Ultrasonic level sensors work by emitting pulses of ultrasonic sound, which then bounce back to the sensor unit to establish where the liquid line is located within a tank or vessel.

Disadvantages of Ultrasonic sensor: It is very sensitive to variation in the temperature. It has more difficulties in reading reflections from soft, curved and thin as well as a small object. These sensors have a base detecting distance. It required careful attention for an experienced technician. Change in nature for example temperature