▎ 摘　　要

NOVELTY - The flow sensor has a main portion that is provided with a flexible carrier portion (2) arranged on a graphene sensing element (1). One end of a support wire (3) is connected with the graphene sensing element. Other end of support wire is connected with a power supply source. The flexible carrier portion is made of flexible insulation hydrophobic material. USE - Flow sensor used for measuring flow rate of liquid. ADVANTAGE - The structure of flow sensor is simplified. The flow sensor is utilized easily. The direct contact of sensing element with fluid is prevented effectively. The occurrence of damage to sensing element is prevented. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is included for a manufacturing method of flow sensor using graphene oxide solution and coagulation bath. DESCRIPTION OF DRAWING(S) - The drawing shows a schematic view of the flow sensor. Graphene sensing element (1) Flexible carrier portion (2) Support wire (3)