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4SO2-20 Sensor

Update time:Jun-06-15

The sensor is designed for the measurement of SO2 concentration in gas phase. It can be used as the pin to pin replacement of the standard 4 series electrochemical SO2 sensor.
Performance Characteristics
Nominal Range 0~20 ppm
Maximum Overload 150 ppm
Sensitivity(20℃) 0.50 ± 0.10μA/ppm
Response Time (T90) < 45 s
Zero Signal(20℃) < ± 0.2μA
Baseline Shift (- 20℃ ~ 50℃) < 0.5 ppm
Resolution 0.1 ppm
Linearity linear up to 20ppm
Bias Voltage zero
Environmental
Temperature Range -20℃ ~ 50℃
Pressure Range 1 atm ± 10%
Humidity Range 15% ~ 95% RH non-condensing
Life time
Long time output drift < 2% signal/month
Recommended Storage Temp 10℃ ~ 30℃
Expected Operating Life 2 years in clean air
Storage Life 6 months in original packaging
Warranty 12 months
Intrinsic safety Data
Maximum Current at 150ppm SO2 < 0.2mA
Maximum O/C Voltage 1.3V
Maximum S/C Current < 1.0A
Mechanical
Housing Material ABS
Weight (Nominal) 5g
Orientation None