Key Features:
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Real-Time Flow Detection: Proportional pulse output based on flow rate 
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Easy to Integrate: Simple digital pulse output to microcontrollers (Arduino, ESP32, etc.) 
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Wide Voltage Range: Operates on 3.5V–24V for flexible compatibility 
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Rugged Build: Designed for continuous use under 1.2MPa pressure 
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Low Power Consumption: Efficient Hall sensor electronics 
Specifications:
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Model: FS300A 
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Port Size: 3/4 inch (BSP thread) 
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Operating Voltage: 3.5V – 24V DC 
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Flow Rate Range: 1 – 60 L/min 
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Output Signal: Pulse (digital) 
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Working Pressure: <1.2 MPa 
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Sensor Type: Hall-effect 
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Material: Durable plastic body 
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Response Time: <0.5s 
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Working Temperature: 0°C – 80°C 
Applications:
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Water heaters and boilers 
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Water dispensers and purifiers 
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Agricultural irrigation monitoring 
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Smart home water management systems 
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Industrial water usage measurement