ขาย เซนเซอร์วัดอัตราการไหลของน้ำ ท่อขนาด DN50 (2นิ้ว)water flow sensor YF-DN50 ราคาที่ดีที่สุด

Precautions 1. if the water quality is too bad, please add a filter at the inlet. 2. do not exceed the flow range to use ฺBasic information Product number : YF-DN50 Rated voltage : DC=5V Test items standard requirement Exterior Clear product identification, accurate and correct requirements Water pressure resistance >1.75MPa Operating voltage range DC5～15V Insulation resistance >100MΩ Precision [at 10 to 300 L\MIN] ± 5% Flow pulse characteristic (0.2*Q) Q=L/Min±3% Output pulse high >DC 4.7V (input voltage DC 5V) Output pulse low Output pulse duty cycle 50%±10% Wiring Red IN is connected to the positive pole Yellow OUT signal output line Black GND is connected to the negative pole