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Specifications
Gas: SO2
Sensor: SO2-A4
Performance Characteristics
Nominal Range: 0 to 20 ppm
Maximum Overload: 100 ppm
Long Term Sensitivity Drift: < ±15% change/year in lab air, monntly
Long Term zero Drift: < 20 ppb equivalent change/year in lab air
Response Time (T90): ≤ 20 seconds
Sensitivity: 320 ± 480 nA/ppm
Accuracy: as good as ±0.1 ppm* (ideal conditions)
Operation Conditions
Temperature Range: -30 ºC to 50 ºC
Operating Humidity: 15 to 90% RH non-condensing
Pressure Range: 80 to 120 kPa
Storage Temperature: 0 ºC to 20 ºC
Expected Operating Life: 2 years in air
Average consumption: less than 1 mA
* Accuracy values are only given for the optimum case.
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