SemeaTech Electrochemical SO2-500 Sensors - 3-Series SO2-500
This sensor is designed for the measurement of SO2 concentration in gas phase.
- Quantity:
- - +
Product Specification
Product Description:
This 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 3-series electrochemical SO2 sensors which made by the other manufacturers.
Performance Characteristics:
Nominal Range |
0 ~ 500ppm |
Maximum Overload |
500 ppm |
Sensitivity (20℃) |
0.37 ± 0.07 μA/ppm |
Response Time (T90) |
≤ 35 s |
Zero Signal (20℃) |
±2 ppm |
Baseline Shift (-20℃ ~ 50℃) |
< 5 ppm |
Resolution |
1 ppm |
Linearity |
Linear up to 500 ppm |
Bias Voltage |
0 mV |
Environmental:
Temperature Range |
-20℃ ~ 50℃ |
Pressure Range |
1 ± 0.1 atm |
Humidity Range |
15% ~ 90%RH non-condensing |
Life Time:
Long Time Output Drift |
< 2% signal/month |
Recommended Storage Temp |
10℃ ~ 30℃ |
Expected Operating Life |
3 years in clean air |
Storage Life |
6 months in original packaging |
Warranty |
12 months |
Intrinsic Safety Data:
Max. Current at 500ppm SO2 |
< 0.5 mA |
Max. O/C Voltage |
1.3 V |
Max. S/C Current |
< 1.0 A |
Physical Characteristics:
Housing Material |
ABS |
Weight (Nominal) |
23 g |
Orientation |
None |
Product Dimensions:
All dimensions in mm
All tolerances ±0.10mm unless otherwise stated
Temperature Data:
Safety Note:
This sensor is designed to be used in certain instruments for life critical applications. To ensure the sensor functions per its specifications inside the instrument, it is required to read the instrument user's guide carefully and comply with the calibration procedures by using certified target calibration gas before each use. Failure to do so may cause serious injury and fatality. Please do not open the sensor plastic enclosure because the electrolyte and other chemicals stored inside are harmful.
It is highly recommended for customers to validate the sensor performance using this document as a reference for their product designs or applications.
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