Hall Effect Flow Meter with 304 Stainless Steel Water Flow Sensor and NPN Pulse Signal Output Water Flow Sensor 2-Minute Thread Specifications Working Medium: Water; Low-Temperature Model ≤60°C, High-Temperature Model ≤115°C Available Voltage Ranges: 3V: 1.8–5.5V; 5V: 4.5–18V; 24V: 4.5–26.4V Rated Voltage / Current: DC 3V, ≤10 μA; DC 5V, ≤10 mA; DC 24V, ≤10 mA Output Voltage & Pulse Duty Cycle 50%: When rated voltage is < DC 5V: High level ≥ Vcc – 0.2 V, Low level ≤ 0.2 V; When the rated voltage is ≥ DC 5V: High level is Vcc – 0.5V or higher; low level is 0.5V or lower Insulation Resistance: > 100 MΩ Dielectric Strength: AC 500V, 50 Hz Flow Rate Range: 0.3–3 L/min Pressure Resistance: ≤ 1.75 MPa