Scope of Application** 1. Explosive gas mixture hazardous locations: Zone 1, Zone 2 2. Explosive mixtures: II A, II B, II C 3. Temperature groups: T1-T6 **Technical Parameters** 1. Temperature range: -0°C to 50°C 2. Relative humidity: ≤95% (non-condensing) 3. Atmospheric pressure: 80~10 KPa 4. Power supply voltage: DC24V; AC220V; AC127V 5. Operating current during alarm ≤600mA (DC24V) 6. Sound intensity: 100~115 dB 7. Protection rating: IP5 8. Weight: 1.4 kg **Product Features** 1. The housing is made of ZL102 aluminum alloy, formed pressure casting, with high-pressure electrostatic spraying on the surface; 2. Tempered glass cover, stainless steel exposed fasteners, and a protective grille that isvanized and then sprayed, providing double corrosion resistance; 3. The tempered glass cover has strong impact resistance and is available in various colors such as red, yellow, blue; **Precautions** 1. Do not disassemble or install in flammable or explosive environments while powered. 2. Do not damage the explosion-proof during installation and keep it clean. Tighten the explosion-proof surface screws evenly, ensuring no foreign objects are trapped. 3. Regularly inspect the alarm's performance long-term use. If it fails or is damaged, have it repaired by a professional.