In order to effectively hold the measuring point surroundings condition record information in nuclear fallouts measuring instrument inside, the measurement data has more practical meaning, also facilitate comprehensive analysis and processing. It will have high sensitivity, low interference, easy to install characteristics of temperature and humidity, wind speed sensor and wind-direction sensors, rainfall sensor embedded into to MSP430F169 as the core of the nuclear instruments, realizing the environmental parameters of the acquisition, and in each sensor is introduced based on the theory of, ...