Sulfur Dioxide Gas Sensors

Sulphur dioxide (SO2) is a highly reactive gas commonly found in industrial processes, and its accurate detection is critical for environmental monitoring and safety applications. Prolonged exposure to SO2 can cause respiratory problems and other health issues, making it essential to monitor its presence in various environments.

Accurate measurement of sulphur dioxide is core to Alphasense’s portfolio, whether it’s required for environmental monitoring, industrial safety, or air quality control.

Alphasense SO2 Sensor Modules have proven the test of time as cost-effective, low-maintenance, and robust in various applications. Unlike other sensor types, our design offers superior sensitivity and fast response times, making it the best choice for accurate sulphur dioxide detection. Our SO2 sensor modules are designed with longevity in mind, reducing the need for frequent replacements and ensuring continuous monitoring with minimal downtime.

Alphasense SO2 Sensor Modules

Our SO2 sensor modules are available in different configurations, both PPM and PPB variants to suit specific needs, making them suitable for use in variety of applications, from fixed and portable detection instruments to environmental monitoring systems and networks.

Standard SO2 Sensor Module - (A-Series) 20mm diameter: Ideal for general industrial and environmental applications where reliable SO2 detection is required.

High-Performance SO2 Sensor Module - (B-Series) 32mm diameter: Engineered for environments requiring highly sensitive and rapid detection of sulphur dioxide, such as research laboratories and critical industrial processes.

Compact SO2 Sensor Module: Designed for portable devices and applications with space constraints, ensuring precise SO2 monitoring  with proven long-term performance without compromising on size or efficiency.

The SO2 Sensor Modules provide OEMs with reliable sensors for use in a variety of applications. Strong signal levels combined with low zero current allows resolution below 1ppm and an operating range for safety applications up to 2,000ppm. The sensors are designed for use in both fixed site and portable instrumentation. The SO2 sensors offer our electrolyte leak-free guarantee and reliable long-term detection performance. The leakproof housing is moulded with a colour coded top for ease of identification.

Benefits of SO2 Sensor Modules

Enhanced Environmental Protection

SO2 sensor modules are crucial in environmental monitoring systems, where they detect and measure sulphur dioxide levels in the atmosphere. This capability aids in tracking pollution, enforcing environmental regulations, and protecting ecosystems from the harmful effects of SO2 emissions.

Improved Industrial Safety

In industrial environments, SO2 sensor modules play a vital role in detecting leaks and emissions of sulphur dioxide. This helps prevent exposure to toxic gas levels, safeguarding
worker health, and ensuring compliance with safety standards.

Critical Role in Regulatory Compliance

SO2 sensor modules are integral in ensuring that industries comply with environmental regulations. Accurate monitoring of sulphur dioxide emissions is essential for meeting legal requirements and avoiding penalties, contributing to sustainable and responsible industrial practices.

Application notes

Download Toxic Application Notes – see application notes for full details.

Sensor Specification Summary

Compare Alphasense Sulfur Dioxide sensors – sensor specification summary.