High precision temperature measuring apparatus consuming low energy

The utility model discloses a high precision temperature measuring apparatus consuming low energy which belongs to the temperature measuring in industrial field. The apparatus comprises one-chip microcomputer, a power supply module, an AD converting module, a display module, and a temperature signal acquiring module. The temperature signal acquiring module comprises a temperature sensor and a bridge temperature compensating circuit. The output end of the temperature sensor is connected with the input end of the bridge temperature compensating circuit. The output end of the bridge temperature compensating circuit is connected with the input end of the AD converting module. The output end of the AD converting module is connected with the input end of the one-chip microcomputer. The display module is also connected with the one-chip microcomputer. The power supply module is for providing electricity to the one-chip microcomputer, the AD converting module, the temperature signal acquiring module and the display module. The measuring apparatus of the utility model is convenient to use and rapid to correspond. It also achieves high precision and consumes low energy to measure the temperature of liquid on an industrial spot.