Water Pressure Sensor, Model No. SEN0257

Dear Sir,

              With reference to the Gravity Water Pressure Sensor Purchase at last Month dated  23/12/2025 ( Invoice attached), but it is not working.

               I have used it in a 1 litre water Bottle but it doesn't work. It doesn't show any change in value as the water level changes.

                I am looking forward to your kind cooperation. 

                Kindly consider it as urgent.

                Thanking you.

Regards

D Dutta.