Ultrasonic Level Meter Measurement Principle and Characteristics.

Principle of measurement:

    Ultrasonic level meter works by the transducer (probe) emits a high frequency ultrasonic pulse to encounter the surface of the medium under test is reflected back, and some of the reflected echoes are received by the same transducer and converted into electrical signals. Ultrasonic pulses of ultrasonic level meters travel at the speed of sound waves, and the time interval between emission and receipt of ultrasonic pulses is proportional to the distance between the transducer and the surface of the medium under test. The relationship between this distance value S and the sound speed C and the transmission time T can be expressed in the formula: S-CxT/2.

    Because the ultrasonic pulse emitted has a certain width, the reflection wave in the near segment area of the transducer overlaps with the emission wave, which cannot be recognized and its distance value cannot be measured. This area is called a measurement blind spot. The size of the blind area is related to the type of ultrasonic level meter.

Characteristics:

    Thanks to advanced microprocessors and unique EchoDiscovery echo processing technology, ultrasonic level meters can be used in a wide range of complex operating conditions. The transducer has a built-in temperature sensor for temperature compensation for the measured value.

    Ultrasonic transducers use the patented technology of best acoustic matching, enabling their transmit power to radiate out more efficiently and increase signal strength for accurate measurement.

Ultrasonic flow meter series of products are: portable ultrasonic flow meter, fixed basic ultrasonic flow meter, fixed one-function ultrasonic flow meter, fixed split ultrasonic flow meter.