The Sensitron SMART 3G-C2 is a SIL2 certified fixed gas detector engineered for continuous monitoring of toxic, flammable, refrigerant, and oxygen gases in industrial and classified environments. ATEX Category 2 approved for Zone 1, it delivers dependable performance in harsh conditions while supporting more than 50 gas types through interchangeable catalytic, electrochemical, and infrared sensors. With ongoing system self-diagnostics, optional relay outputs, and RS485 Modbus communication, the SMART 3G-C2 ensures safe, flexible, and low-maintenance gas detection for demanding applications.

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Key Features

• SIL2 certified hardware for high functional safety
• ATEX II2GD approved for Zone 1 hazardous areas
• Detects over 50 toxic, flammable, and refrigerant gases
• Oxygen deficiency and enrichment monitoring capability
• Catalytic, electrochemical, and infrared sensor options
• Suitable for oil & gas, petrochemical, industrial plants, and utilities
• Rugged aluminium IP65 enclosure for harsh environments
• Continuous system self-diagnostics for reliable operation
• Standard 4–20 mA analog output
• Optional 1 or 3 relay board for alarms and control
• Optional RS485 Modbus interface for PLC/BMS integration
• One-man field calibration via STS/CKD+ handheld keypad
• Fast response time for early hazard detection
• Modular design for easy maintenance and configuration