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| Model Number : | GS+4SO2 |
| Price : | Negotiable |
| Payment Terms : | L/C, D/A, D/P, T/T, Western Union, MoneyGram |
| Supply Ability : | 5000pcs |
| Delivery Time : | 3-5work days |
GS+4SO2 Sulfur Dioxide (SO2) Sensor For Air Quality Monitoring Industrial Safety Automotive
Working Principle:
The GS+4SO2 sensor works based on the electrochemical three - electrode principle. Sulfur dioxide and oxygen undergo corresponding oxidation - reduction reactions on the working electrode and the counter - electrode respectively, and release charges to form a current. The magnitude of the current produced is proportional to the sulfur dioxide concentration. By measuring the current size, the level of sulfur dioxide concentration can be determined.
Key Features:
Common Applications:
| Measurement Range | 0 - 20 ppm |
| Maximum Overload | 150 ppm |
| Output Signal | 400 ± 100 nA/ppm |
| Repeatability | < ± 2% SO2 equivalent |
| Response Time (T90) | < 30 seconds |
| Resolution | 0.1 ppm (typical, dependent on electronics) |
| Recommended Load Resistor | 10 ohms |
| Warranty | 12 months from the date of dispatch |
| Expected Operation Life | > 24 months |
| Temperature Range | -30 °C to +50 °C |
| Pressure Range | 90 to 110 kPa |
| Bias Voltage | 0V |
| Long - term Output Drift | < 15% per annum |
| Typical Baseline Range (Pure Air) | ± 0.5 ppm SO2 equivalent |

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