The Difference Between the Electromagnetic Water Meter and An Ultrasonic Water Meter
The basic principle of electromagnetic water meter: an electronic water meter that accurately measures the total flow of conductive liquid through the induced electromotive force of the current induced by the application of the electromagnetic field according to the magnetic effect of the current of the electromagnetic induction law. The structure of an electromagnetic water meter is mainly composed of the equivalent circuit system software, precise measurement hose, electrode, casing, lining, and converter.
The basic principle of ultrasonic water meter: choose a fully electronic water meter based on the basic principle of ultrasonic time difference. It is an electronic water meter that can be used to analyze and solve the flow velocity of the water according to the time difference that occurs when the velocity of the ultrasonic sound beam changes in the water when the ultrasonic beam spreads upstream and downstream, and then further measures the total flow of the water. The structure of the ultrasonic water meter is mainly composed of transducers, measuring tubes, calculators, and other parts.
Ultrasonic water meter: The measurement range ratio can reach more than R800, the precision can be achieved at level 1, the initial flow speed is low, the reasonable detection range is large, and it can prevent dripping and leakage; the ability to track the total flow change is weak.
Electromagnetic water meter: The measurement range can reach above R800, and the precision can achieve level 1; the total flow change response is slow, and the measurement and verification characteristics of medium and high flow speed are stable. The turndown ratio does not cover the small flow area.
Ultrasonic water meter: There are no moving parts of the main body of mechanical equipment, and the precision is not much related to the use time.
Electromagnetic water meter: There is no main component of all mechanical equipment, and the precision has little relationship with the use time.
Ultrasonic water meter: The ultrasonic water meter measures the total flow by the time difference between the collection and transmission of the ultrasonic transducer. Once the ultrasonic transducer has bubbles, it will endanger all normal and accurate measurements.
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