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-4H2S-300 Datasheet OUTLINE Industrial Hydrogen Sulphide (H2S) Sensor All dimensions are in mm All tolerances are 0.15mm PERFORMANCE Output signal 700 250 nA / ppm Typical Baseline Range 2ppm H S equivalent 2 (pure air) T90 Response Time < 30 seconds Measurement Range 0 - 300 ppm Maximum Overload 500 ppm Linearity Linear Repeatability < 2% H S equivalent 2 Recommended Load 10 ohms Resistor Resolution (Electronics <0.1 ppm typical dependent) OPERATING CONDITIONS Temperature Range -30C to +50C Pressure Range 800 to 1200 mbar Operating Humidity 15% to 90% RH Range LIFETIME INTRINSIC SAFETY DATA Long Term Output Drift < 15% per annum Max at 2000ppm 0.3 mA Recommended Storage 0C to 20C Max o/c Voltage 1.3 V Temp Expected Operating Life > 24 months in air Max s/c Current <1.0 A SGX Sensortech 2012-2020 DS-0322 SGX-4H2S-300, Issue 1, 26-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-4H2S-300 Carbon Monoxide 100ppm < 2ppm Sulphur Dioxide 20ppm 0ppm Nitrogen Dioxide 5ppm < 0.5ppm Nitric Oxide 50ppm <0.5ppm Ammonia 50ppm 0ppm Chlorine 15ppm 0ppm Ethylene 100ppm 0ppm Carbon Dioxide 5000ppm 0ppm * See Important Notes Output vs Temp SGX Sensortech 2012-2020 DS-0322 SGX-4H2S-300, Issue 1, 26-Mar-2020, Page 2/3