Single chip microcomputer based weighing type liquid level meter

The invention belongs to an improved liquid level meter structure, and provides a single chip microcomputer based weighing type liquid level meter which is accurate and sensitive in measurement and control and convenient to mount and use. The single chip microcomputer based weighing type liquid level meter comprises a single chip microcomputer, an input module, an output module, a power module and a communication module, and is structurally characterized by comprising a liquid level sensor, a digital to analog conversion device and a keypad, the digital to analog conversion device and the keypad are both connected with the single chip microcomputer, the liquid level sensor is connected with the digital to analog conversion device, and the output module comprises a liquid crystal display circuit, an electromagnetic control circuit and an audible and visual alarm circuit which are all connected with the single chip microcomputer.