RAD-S50 Radon Gas Sensor — Precision Silicon Detector for Continuous Indoor Radon Monitoring Shenzhen, China — The RAD-S50 is a high-performance radon gas sensor module engineered by Wanyi Technology (brand: CESTSEN) for long-term continuous monitoring of radon concentration in indoor environments. Featuring a large-area silicon detector with static diffusion sampling, the RAD-S50 delivers reliable measurements across a wide dynamic range from 5 to 65,535 Bq/m³ with
