Purchase Qty. Reference FOB Price
1-99 Pieces US$165.00
100-999 Pieces US$160.00
1,000+ Pieces US$155.00
Product Description
Product description Thermal flow switch,based on the thermal principle, contains two resistors in a closed probe, one of which is heated as a detection resistor, and the other is not heated as a reference resistor. When the medium is flow, the heat on the heating resistor is taken away, the ...