The Sensitron SMART 3NC is an IP55-rated point gas detector engineered for safe and non-classified areas such as car parks, underground garages, and commercial facilities. Designed for simple installation and low maintenance, it provides reliable detection of flammable, toxic, and CO₂ gases using catalytic, electrochemical, and infrared sensor technologies. With continuous self-diagnostics, handheld keypad configuration, and flexible outputs including 4–20 mA, relays, and optional RS485 Modbus communication, the SMART 3NC delivers dependable and cost-effective gas monitoring without compromising performance.

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Key Features

• Designed specifically for safe and non-classified areas
• Ideal for car parks, garages, tunnels, and commercial buildings
• Detects Methane, LPG, petrol vapours, CO, NO₂, CO₂ and other toxic gases
• Catalytic sensors for flammable gas detection
• Electrochemical sensors for toxic gases (CO, NO₂, Cl₂, SO₂, HCl)
• Infrared sensor option for accurate CO₂ monitoring
• IP55 polycarbonate enclosure for indoor and semi-harsh environments
• Standard 4–20 mA analog output
• Optional 1 or 3 relay board for alarms and control
• Optional RS485 Modbus communication for BMS/PLC integration
• Ongoing system self-diagnostics for maximum reliability
• Easy setup, calibration, and maintenance via handheld keypad
• Compact, lightweight, and cost-effective solution