Product name: Water Flow Sensor for Water Purifier Product application: Fruit and vegetable cultivation, beer machines, dishwashers, water purifiers, wine vending machines, wine cabinets, and other equipment requiring flow measurement. Features: - Compact and micro-sized design - High precision - Ultra-low flow start threshold - High-resolution output - Food-grade compliant materials - Easy installation - Adjustable mounting angle - Multiple model options - Anti-backflow design - Durable and reliable construction - Long service life - Low power consumption - High water pressure resistance (up to 1.2 MPa) - Water hammer resistance - Quiet operation - Hygienic and safe for potable water applications - Low-voltage operation Operating principle: Hall effect sensor – magnetic excitation, digital pulse output (square wave), 50% duty cycle, linear response, high/low level signal Functions: Flow metering, rotational speed counting, flow start detection, alarm signaling, low-flow protection Technical specifications: - Flow accuracy: - Model A/B: ±5% within 0.2–8 L/min - Model C/D: ±5% within 0.3–10 L/min - Model E/F: ±5% within 0.2–8 L/min or 0.1–2 L/min - Maximum operating current: 15 mA (DC 5 V) - Load capacity: ≤10 mA (DC 5 V) - Operating humidity range: 35–90% RH (non-condensing) - Storage temperature: −25 °C to +80 °C - Output pulse high voltage: >4.7 V - Minimum operating voltage: 3.5 V - Maximum operating temperature: ≤80 °C - Maximum allowable pressure: <1.75 MPa - Operating voltage range: DC 3.5–20 V - Storage humidity: 25–95% RH - Output pulse low voltage: <5.0 V Package includes: 1 × Water Flow Sensor