SO2-B4 Sulfur Dioxide Sensor 4-Electrode

SO2-B4 Sulfur Dioxide Sensor 4-Electrode PERFORMANCE Sensitivity nA/ppm at 2ppm SO2 275 to 475 Response time t90 (s) from zero to 2ppm SO2 < 30 Zero current nA in zero air at 20℃ -80 to +80 Noise* ±2 standard deviations (ppb equivalent) 5 Range ppm limit of performance warranty 100 Linearity ppb error at 100ppm SO2 , linear at zero and 10ppm SO2 0 to -2 Overgas limit maximum ppm for stable response to gas pulse 200 * Tested with Alphasense ISB low noise circuit LIFETIME Zero