A pulse flowmeter is a device that measures fluid flow by generating electrical pulses that are proportional to the flow rate. It operates on the principle of a turbine with a six-spoke rotor equipped with magnets. The rotor spins as fluid flows through the meter, causing the magnets to activate a Hall Effect transistor. This transistor produces a square wave pulse output, where each pulse corresponds to a specific volume of fluid passing through the meter. The amplitude of the pulse signal ranges from 5 to 28 VDC, depending on the input voltage, and the frequency can reach up to 240 Hz at maximum flow rates. Pulse flowmeters are versatile and can provide PNP and NPN outputs, making them suitable for various industrial applications where accurate and reliable flow measurement is essential.