说明

• Model: 1/2" YF-S201 Output signal: NPN pulse sign Interface size: DN15(1/2") Flow range: 1/2"(1~30 L/min) Working voltage range: DC3 Material: Nylon Medium temperature: -20°C-85°C Water strain resistance: ≤1 Output pulse high level: ＞DC 4 (input voltage DC 5V) Output pulse low level: ＜DC 0 (input voltage DC 5V) Flow pulse characteristics: 1/2" F=[7*Q], That is 450 pulses per liter of water; (F is frequency, Q is L/min) Tightness: Close each hole, add 1 water stress examine for 1 minute without leakage and deformation

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