H2S-AE Hydrogen Sulfide Sensor (H2S Sensor) Description Alphasense Hydrogen Sulfide gas sensors operate using well-known fuel cell technology. H2S-AE Hydrogen Sulfide Sensor size: 20mm diameter, the industry standard size for portable gas detectors With very high sensitivity and low zero, accurate and stable readings are possible when measuring current concentration ranges from ppb to 1% H2S. H2S-AE Hydrogen Sulfide Sensor (H2S Sensor) Specifications * Range: 2,000 ppm H2S limit of performance warranty * Sensitivity: 65 to 110 nA/ppm in 400ppm H2S * Response time t90: < 25 (s) from zero to 400ppm H2S * Resolution: < 0.5 RMS noise (ppm equivalent) * Temperature range: -30 to 50 'C * Pressure range: 80 to 120 kPa * Humidity range: 15 to 90 % rh continuous * Weight: < 6g