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| Categories | Gas Sensor |
|---|---|
| Brand Name: | PSR |
| Model Number: | SO2-B4 |
| Place of Origin: | UK |
| MOQ: | 1PCS |
| Price: | Negotiable |
| Payment Terms: | L/C, D/A, D/P, T/T, Western Union, MoneyGram |
| Supply Ability: | 5000PCS |
| Delivery Time: | 5-8 work days |
| Packaging Details: | Standard packaging |
| Measuring Range: | 0 - 100 ppm |
| Sensitivity: | 275 - 500 nA/ppm |
| Response Time (t90): | < 60 s |
| Zero Current: | - 100 - + 100 nA |
| Resolution: | 5 ppb |
| Maximum Overload: | 200 ppm |
| Company Info. |
| ShenzhenYijiajie Electronic Co., Ltd. |
| Verified Supplier |
| View Contact Details |
| Product List |
SO2-B4 Electrochemical Sulfur Dioxide Gas Sensor For Air Quality Monitoring Flue Gas Analysis
Technical Features:
Application Scenarios:
It is suitable for fixed - installation sensing heads, portable safety instruments, urban/indoor air monitoring and stack gas analyzers, etc., and can provide reliable data support for air quality monitoring and industrial emission detection.
| Measuring Range | 100 ppm |
| Sensitivity | 275 - 475 nA/ppm (at 2 ppm SO2) |
| Response Time (t90) | < 30 s (from zero to 2 ppm SO2) |
| Zero Current in Zero Air at 20℃ | - |
| Noise (±2 standard deviations, ppb equivalent) | 5 |
| Resolution | < 1 ppm |
| Linearity | 0 - 2 ppb error at 100 ppm SO2, linear at 0 and 10 ppm SO2 |
| Over - gas Limit | 200 ppm |
| Zero Drift (ppb equivalent change/year in lab air) | < ±20 |
| Sensitivity Drift (% change/year in lab air, monthly test) | < ±15 |
| Operating Life | > 36 months (until 50% of the original signal) |
| Sensitivity at - 20℃ | 70 - 82% (output at - 20℃ / output at 20℃ @ 2 ppm SO2) |
| Sensitivity at 50℃ | 95 - 110% (output at 50℃ / output at 20℃ @ 2 ppm SO2) |
| Zero at - 20℃ (nA change from 20℃) | 0 - 10 |
| Zero at 50℃ (nA change from 20℃) | 10 - 30 |
| Filter Capacity | 450 ppm·hrs |
| H2S Sensitivity (% measured gas @ 5 ppm H2S) | < 2 |
| NO2 Sensitivity (% measured gas @ 5 ppm NO2) | < - 160 |
| Cl2 Sensitivity (% measured gas @ 5 ppm Cl2) | < - 40 |
| NO Sensitivity (% measured gas @ 5 ppm NO) | < - 2 |
| CO Sensitivity (% measured gas @ 5 ppm CO) | < 2 |
| H2 Sensitivity (% measured gas @ 100 ppm H2) | < 0.5 |
| C2H4 Sensitivity (% measured gas @ 100 ppm C2H4) | < 1 |
| NH3 Sensitivity (% measured gas @ 20 ppm NH3) | < 0.1 |
| CO2 Sensitivity (% measured gas @ 5% CO2) | < 0.1 |
| Temperature Range | - 30 to 50℃ |
| Pressure Range | 80 - 120 kPa |
| Humidity Range | 15 - 90% RH (continuous) |
| Storage Period | 6 months (@3 - 20℃, stored in sealed pot) |
| Load Resistor | 33 - 100 Ω |
| Weight | < 13 g |
|
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