Purchase Qty. Reference FOB Price
100-9,999 Pieces US$2.00
10,000-49,999 Pieces US$1.50
50,000+ Pieces US$1.00
Product Description
Product Description FS-IR32 Optical Level Sensor The photoelectric liquid level switch has built-in infrared light-emitting diodes and photosensitive receivers, and the head is a prism structure. When there is no water, the light emitted by the light-emitting diode will be refracted by the ...