Compact explosion-proof universal gas detector compatible with catalytic, electrochemical and infrared sensors for combustible gases, oxygen and toxic gases. Features a 1.54-inch graphic OLED display, three-colour alarm light ring and smart-sensor diagnostics. Supports magnetic-bar and Bluetooth controls for calibration and maintenance without opening the enclosure. Provides 4–20 mA output, with optional RS-485 Modbus, HART and two alarm relays. Diffusion, insert and suction configurations are available, with remote sensors up to 100 metres using a junction box. Operating power: 18–31 V DC; temperature: -40°C to 80°C.