Purchase Qty. Reference FOB Price
2-999 Pieces US$2.00
1,000-4,999 Pieces US$1.60
5,000-9,999 Pieces US$1.30
10,000+ Pieces US$1.00
Product Description
Product Description Optical Flow Sensor How does the Optical flow sensor work? Using the pulse signal generated by the cutting light path of the impeller, the water flow is measured by calculating the number of rotations of the runner. Features: no magnets inside, pure optical induction, better ...