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Sulphur Dioxide

SO2 molecular formula for sulfur dioxide.

Sulphur Dioxide (SO2)

Generated primarily by vehicles, smoking, HVAC systems, pesticides, construction

RangeResolutionTechnologySensor Module
1 PPM0.01ECES-SO2-7EC1
5 PPM0.01EC 
ES-SO2-7EC5
20 PPM0.1ECES-SO2-3EC20
20 PPM0.01 / 0.1ECES-SO2-4EC20
20 PPM0.01 / 0.1ECES-SO2-7EC20
100 PPM0.1ECES-SO2-3EC100
2000 PPM1ECES-SO2-3EC2000
2000 PPM1ECES-SO2-4EC2000
2000 PPM1ECES-SO2-5EC2000
100 PPM0.1ECES-SO2-4EC100 
TWA: 5 PPM (8-hr )
  • TWA : 2 PPM (10-hr )
  • STEL :  5 PPM (15 min.)
  • STEL : 0.25 PPM (15 min. )
  • Eyes: Irritation and burns, contact with liquid may cause frostbite
  • Skin: Irritation and burns, contact with liquid may cause frostbite
  • Inhalation: Nose, throat and lung irritation, with coughing, and severe shortness of breath (pulmonary edema)