Our products are fine made with nice materials and good workmanship, strict quality control, guarantee in after service. Features: 1. The appearance of this product is light and handy, small in size, easy to install. 2. The stainless steel beads are set inside the impeller, which is always wear-resistant. 3. The sealing ring adopts the structure of the upper and lower force, never leaking. 4.Hall components are imported from Germany and encapsulated with potting glue to prevent water ingress and never aging. 5. All raw materials comply with ROSH testing standards. More details about the flow meter: Flow range: Flow range: 5-600L/H (1-30L/Min) Power supply: 3.5-12V Pulse frequency (Hz): F = (2.5* Q) ± 1%, Q=L/Min, error: ± 1% Operating voltage range DC 5～18 V Rated working voltage: DC 5-24 V Load capacity: ≤10 mA (DC 5V) Water Pressure: ≤1.75Mpa Liquid temperature: 0-80℃ (0-176°F) Operating humidity range: 35%～90%RH (no frost condition) Storage temperature -25～+80℃ Storage humidity 25%～95%RH Size: 103mm x 47mm x 38mm(L*W*H) Cable: 50 cm Refer to the wiring: Red wire: VCC(+) Black wire: GND(-) Yellow wire: Pulse Signal output Package: 1 x G3/8 inch oil flowmeter connect hosepipe
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