We propose you our in line ultrasonic water meter & heat meter, which is a quite cost effective solution for you. 

The product is mainly applied to the metering of flow volume of water as the medium, like domestic water, water supply for centralized air conditioning system, etc.

The meter comprises the quality temperature sensor,the flow sensor and the calculator.The temperature sensor to measure the temperature of water and the flow sensor to measure the volume of water that flow through the pipelines by the transit time difference. The two data is sent to the calculator after being collected, the consumption water quantity is worked out, stored and indicated on the LCD finally.