Abstract：In this paper, a wireless portable sensor based on frequency domain reflection (FDR) and charging function is designed, which can realize the functions of automatic collection, wireless transmission, portable charging, etc. Taking the single chip microcomputer as the core, the acquisition unit uses MC9S08AW60 to carry on the data collection, and carries on the real-time transmission through the wireless transmission technology, which realizes the FDR sensor high precision, the real-time strong, carries conveniently, etc. The sensor is easy to use and convenient to carry, and is suitable for operators to collect at any time on the spot.

Key Words：wireless transmission；FDR；portable