Fermion: MEMS H2S Sensor

Fermion: MEMS H2S sensor uses state-of-the-art MEMS tech, with compact dimensions (13x13x2.5mm), low power (<20mA), minimal heat, short preheating, and swift response recovery. It qualitatively measures H2S gas, suitable for toilets, sewers, garbage stations, etc. The MEMS series includes 11 gas sensors (HCHO, CO, CH4, VOC, NH3, H2S, EtOH, Smoke, Odor, H2, NO2), combinable per needs. Note: This sensor is only qualitative—for quantitative use, consider the [Factory-calibrated Gas Sensor](https://www.dfrobot.com.cn/goods-3423.html).