The STS 215 S air flow sensor is engineered for precise air flow monitoring in hazardous industrial environments where explosive gases or combustible dust may be present. Designed for ATEX-certified installations, this intrinsically safe sensor supports continuous monitoring of ventilation systems, exhaust air ducts, and industrial fan applications operating in Zone 0, Zone 1, and Zone 20 areas. Its compact G1/2 threaded construction and stainless steel sensing elements provide reliable performance in demanding process industries.
Key Features
- ATEX-certified air flow sensor for hazardous Ex environments
- Single measuring pin design for dependable detection accuracy
- Detection range from 2 to 25 m/s for industrial airflow control
- Durable stainless steel AISI 316 Ti wetted components
- IP67 protection for harsh process conditions
- M12 connector for secure industrial integration
- Compatible with SZAb 400 EX series amplifiers
- Suitable for gas-explosive and dust-explosive installations
Application
STS 215 S is widely used for monitoring airflow in industrial ventilation systems, exhaust ducts, extraction systems, and process air circulation networks located in explosive environments. The sensor helps operators identify airflow interruptions, fan failures, clogged filters, and unstable ventilation conditions before they affect production safety. Industries including chemical processing, energy facilities, pharmaceutical manufacturing, paint plants, and industrial processing systems benefit from its reliable hazardous-area monitoring capabilities.
Design & Functionality
The sensor uses a compact screw-in design with one measuring pin to detect airflow changes accurately inside process systems. Its 48 mm sensor length allows installation in confined industrial assemblies while maintaining stable measurement performance. Built for intrinsic safety applications, the STS 215 S supports operation with separate amplifiers for dependable signal processing in hazardous environments. The rugged stainless steel housing enhances resistance against corrosion, pressure, and industrial contaminants.
Total Crossed Beams
The STS 215 S operates with a precision thermal sensing principle optimized for controlled airflow verification in industrial process applications requiring stable monitoring reliability.
Beam Pitch Options
Its compact sensing structure supports efficient installation in narrow duct systems and confined ventilation assemblies commonly used in hazardous industrial areas.
Intrinsic Synchronism
The intrinsically safe design ensures secure operation in explosive gas and dust zones while maintaining dependable process monitoring and operational continuity.
Operational Advantages
By continuously monitoring airflow conditions, the STS 215 S helps reduce downtime, improve ventilation reliability, enhance worker safety, and protect industrial equipment from unsafe operating conditions in hazardous process environments.