SGX Europe Sp. Z o.o. T: +48 (0) 32 438 4778 Building 11 Ligocka St. 103, E: sales.is sgxsensortech.com 40-568 Katowice, www.sgxsensortech.com Poland SGX-7SO2 Datasheet OUTLINE Industrial Sulfur Dioxide (SO2) Sensor All dimensions are in mm All tolerances are 0.15mm PERFORMANCE Output signal 370 70 nA / ppm Typical Baseline Range 0.5ppm SO equivalent 2 (pure air) T90 Response Time < 30 seconds Measurement Range 0 - 100 ppm Maximum Overload 500 ppm Linearity Linear Repeatability < 2% SO equivalent 2 Recommended Load 10 ohms Resistor Resolution (Electronics 0.5 ppm typical dependent) OPERATING CONDITIONS Temperature Range -30C to +50C Pressure Range 800 to 1200 mbar Operating Humidity Range 15% to 90% RH LIFETIME INTRINSIC SAFETY DATA Long Term Output Drift < 20% per annum Max at 150ppm 0.1 mA Recommended Storage 0C to 20C Max o/c Voltage 0.75 V Temp Expected Operating Life > 12 months in air Max s/c Current <1.0 A SGX Sensortech 2012-2020 DS-0316 SGX-7SO2, Issue 1, 24-Mar-2020, Page 1/3 SGX Europe Sp. Z o.o. T: +48 (0) 32 438 4778 Building 11 Ligocka St. 103, E: sales.is sgxsensortech.com 40-568 Katowice, www.sgxsensortech.com Poland CROSS SENSITIVITY DATA GAS CONCENTRATION SGX-7SO 2 Carbon Monoxide 300ppm < 5 ppm Hydrogen Sulfide 25ppm < 0.1 ppm Hydrogen 100ppm 0 ppm Nitric Oxide 30ppm <2 ppm Nitrogen Dioxide 5ppm -5 ppm Ethylene 100ppm 0 ppm Ammonia 20ppm 0 ppm Chlorine 5ppm -1.5 to 0 ppm Hydrogen Cyanide 10ppm <5 ppm * See Important Notes Output vs Temp SGX Sensortech 2012-2020 DS-0316 SGX-7SO2, Issue 1, 24-Mar-2020, Page 2/3