LXH hot (cold) quantity flow meter is a kind of flow, cold and hot quantity flow meter that can be equipped with various field flow sensors and displayed by 12864 graphic dot matrix LCD screen. It can measure the mass flow rate, inlet and outlet temperature, pressure, heat and cold quantity of hot water, cold water, saturated steam, oil and other media. It can realize pressure, temperature automatic compensation density, temperature automatic compensation enthalpy, and has day report, month report, coming power failure record, power failure memory, password setting, protocol measurement and communication networking functions. If an external miniature printer is attached, it can print cumulative data at a fixed time.