FC-H2S-2 Hydrogen Sulfide Sensor 0-2ppm from ProSense delivers high accuracy, fast response (T90 <15s), and long service life (5 years) using micro fuel cell technology. Ideal for smart agriculture, environmental monitoring, odor control, and smart city applications, it ensures reliable, selective H2S detection with excellent stability and 0.001ppm resolution across harsh conditions (-40℃ to 70℃).More