Yasong XIAO, Zhengzhong HE, Kexin WANG, Jialu FENG, Lidan LYU. Response of AlphaGUARD PQ2000 radon detector to 220Rn in diffusion mode[J]. NUCLEAR TECHNIQUES, 2024, 47(10): 100402
- NUCLEAR TECHNIQUES
- Vol. 47, Issue 10, 100402 (2024)
Fig. 1. Photograph of AlphaGUARD PQ2000 radon monitor
Fig. 2. Structural diagram of the 220Rn chamber structure at University of South China
Fig. 3. Relationship between transformer voltage and wind speed on the center of the diffusion window
Fig. 4. S tability of continuous measurement results of 220Rn concentration in the 220Rn chamber
Fig. 5. Continuous measurement results of 220Rn using AlphaGUARD PQ2000
Fig. 6. Continuous measurement results of wind speed stability
Fig. 7. Response latency of AlphaGUARD PQ2000 to 220Rn
Fig. 8. Mathematical relationship between response coefficient of AlphaGUARD PQ2000 to 220Rn and the wind speed
Fig. 9. AlphaGUARD PQ2000 placement diagram
Fig. 10. Mathematical relationship between the response coefficient of AlphaGUARD PQ2000 to 220Rn and wind direction under a wind speed of 0.71 m·s-1
Fig. 11. Mathematical relationship between the response coefficient of AlphaGUARD PQ2000 to 220Rn and wind direction under a wind speed of 1.43 m·s-1
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Table 1. Working parameters of 220Rn chamber at University of South China[10]
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Table 2. Response coefficients of AlphaGUARD PQ2000 to 220Rn at different wind speeds
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Table 3. Response coefficient of AlphaGUARD PQ2000 to 220Rn for various wind directions under a wind speed of 0.71 m·s -1
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Table 4. Response coefficient of AlphaGUARD PQ2000 to 220Rn for different wind directions under a wind speed of 1.43 m·s-1
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