JOHNE'S DISEASE. BVD (Bovine Virus Diarrhea) infection can cause numerous problems, such as damage to the digestive and immune systems, pneumonia, abortions, calf deformities, and others. Clinical signs in newborn calves infected with BVD include fever, nasal discharge, diarrhea, and inability to move about normally.
Ultrasonic Flow meter is a device used to measure the velocity of the fluid with the help of ultrasound transducers to compute volume flow of the fluid. This flow meter measures average velocity of the fluid with the use of sound waves. Working Principle of Ultrasonic Flow Meters-.
But donât worry âthe technology is well established. and reliable!A laser distance meter can measure distances of up to 30m with an accuracy of Ã3mm. An Ultrasonic Distance Meter works on a similar principle, but instead of light it uses sound with a pitch too high for the. human ear to hear.