5SF Sulfur Dioxide Gas Sensor Technical Specifications
| MEASUREMENT | |
| Operating Principle | 3-electrode electrochemical |
| Measurement Range | 0-2000 ppm SO2 |
| Maximum Overload | 5000 ppm SO2 |
| Filter | None |
| Sensitivity* | 0.10 ± 0.02 µA/ppm |
| Response Time (T90)* | < 30 seconds |
| Baseline Offset (clean air)* | 0 - 2 ppm equivalent |
|
Maximum Zero Shift (+20°C to +40°C) |
5 ppm equivalent |
|
Resolution When using recommended electronics |
1 ppm |
| Repeatability | 1% of signal |
| Linearity | Linear |
| ELECTRICAL | |
| Recommended Load Resistor | 10 |
| Bias Voltage | Not Required |
| MECHANICAL | |
| Weight | 10 g nominal |
| Orientation | Any |
| ENVIRONMENTAL | |
| Operating Temperature Range | -20°C to +50°C See note 1 |
| Recommended Storage Temp | 0°C to 20°C |
| Operating Pressure Range | Atmospheric ± 10% |
| Pressure Coefficient | 0.004% signal / mbar |
| Operating Humidity Range | 15 - 90% RH non-condensing |
| LIFETIME | |
| Long Term Sensitivity Drift | < 2% signal loss/month |
| Expected Operating Life | Two years in air |
| Storage Life | 6 months in CTL container |

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