When it comes to measuring the flow of water, specifically the wastewater, a portable ultrasonic flow meter is the most considered gadget for the job. The gadget uses ultrasonic waves in water to calculate water circulation.
The rapid growth of science and technology has led to the consequent inventions of different types of measuring instruments, which include water flow meter, air flow meter and gas flow meter. The flow meters are tools, which are used for measuring the flow of liquid, gas or air.