4SO2-2000 (CLE-0423-400) 3-electrode Electrochemical Sulfur Dioxide Sensor for Flue Gas Emission Monitoring in Power Plants
4SO2-2000 (CLE-0423-400) 3-electrode Electrochemical Sulfur Dioxide Sensor for Flue Gas Emission Monitoring in Power Plants
Applications:
Detection of sulfur dioxide (SO₂) in industrial safety and environmental monitoring
Used in portable gas detectors and fixed gas monitors
Emissions monitoring in power plants, refineries, smelters, and chemical plants
Indoor / ambient air quality monitoring
Workplace safety monitoring to meet occupational exposure limits
Features:
Measuring range: 0–2000 ppm SO₂
Electrochemical 3-electrode sensor design
Fast response: T₉₀ ≤ 60 seconds
Good stability and low baseline drift
Wide operating temperature: -20°C to +50°C
Standard 4-series size for easy replacement
Long typical service life
Suitable for industrial harsh environments
| Part Number | CLE-0423-400 (4SO2-2000) |
| Target Gas | Sulfur Dioxide |
| Measuring Range | 0 to 2000 ppm |
| Maximum Overload | 4000 ppm |
| Sensitivity | 0.020 ± 0.008 µA/ppm |
| Baseline (at 20°C) | < ±0.4 |
| Resolution | 5 ppm |
| Response Time (T90) | ≤ 60 seconds |
| Long-Term Stability | < 2% signal loss per month |
| Operating Temperature | -20°C to +50°C |
| Operating Humidity | 15 to 90% RH (non-condensing |
| Operating Pressure | 90 to 110 kPa |
| Bias Voltage | 0 mV |
| Expected Life | 2 years in air |
| Warranty | 12 months from dispatch |
| Weight | Approx. 5 g |
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