MQ-8 gas sensor can detecting of Hydrogen (H2), avoid the noise of alcohol and cooking fumes, ... LPG, CO. FEATURES1. High sensitivity to Hydrogen (H2)2. Small sensitivity to alcohol, LPG, cooking fumes3. ... RsSensing Resistance10KΩ- 60KΩ (1000ppm H2)Detecting concentration scope: 100-10000ppm Hydrogen (H2)α (1000ppm/500ppmH2) Concentration slope rate ≤0.6Standard Detecting ...