Circuit for improving clock precision and clock

The invention discloses a circuit for improving clock precision and a clock. The circuit comprises an MCU controller, a temperature sensor and a humidity sensor. The output end of the temperature sensor is connected with the MCU controller; the output end of the humidity sensor is connected with the MCU controller; the MCU controller has a clock function; and calculating is carried out according to the currently received temperature data and humidity data and preset temperature data, humidity data and error curves, and the clock precision is corrected. The clock using the circuit provided by the invention is higher in output precision, higher in stability and higher in product metering precision, and the cost is reduced. 本发明公开了一种提高时钟精度的电路及时钟，电路包括MCU控制器、温度传感器和湿度传感器；所述温度传感器的输出端连接所述MCU控制器；所述湿度传感器的输出端连接所述MCU控制器；所述MCU控制器带时钟功能；根据当前接受到的温度数据、湿度数据以及预设的温度数据、湿度数据与误差曲线进行计算，对时钟精度进行修正。使用本发明电路的时钟，输出的精度更高，稳定性更高，产品计量的精度较高，且降低了成本。