H2S-A4 Hydrogen Sulfide Sensor 4-Electrode

H2S-A4 Hydrogen Sulfide Sensor 4-Electrode PERFORMANCE Sensitivity nA/ppm at 2ppm H2S 1200 to 1650 Response time t90 (s) from zero to 2ppm H2S < 45 Zero current nA in zero air at 20℃ -170 to 0 Noise* ±2 standard deviations (ppb equivalent) 5 Range ppm H2S limit of performance warranty 50 Linearity ppb error at full scale, linear at zero and 10ppm H2S < ± 0.5 Overgas limit maximum ppm for stable response to gas pulse 100 * Tested with Alphasense AFE low noise circuit LIFETIME