Explosion-proof universal multi-gas detector configurable with up to three smart sensors. Catalytic, electrochemical and infrared sensor options cover combustible gases, oxygen and toxic gases. A graphic OLED display and three-colour alarm light ring provide concentration and status information. Supports magnetic-bar and Bluetooth controls, automatic sensor recognition and remote sensor installation up to 100 metres with a junction box. Output options include 4–20 mA, RS-485 Modbus, HART and alarm relays; triple-sensor configurations require digital communication. Optional 107 dB buzzer. Operating power: 18–31 V DC; temperature: -40°C to 80°C.