● The technical performance meets the standard requirements of GB 27900-2011 "Fireman's alarm".
● The appearance of the structure should be complete, the surface without obvious spots, bubbles, cracks and scars.
● Explosion-proof class: Ex ib IIC T4 Gb, explosion-proof certificate provided.
● Waterproof performance: The rescuer is placed in a container with a water depth of 1.5 meters for 2 hours without water infiltration.
● Weather resistance and mechanical resistance meet the standard requirements.
● The alarm forecasting function, automatic alarm function, manual alarm function and low voltage alarm function meet the standard requirements.
● Insulation performance: > 550MΩ.
● Allowable rest time: 30±2s.
● Warning time: 15±2s.
● Forecast alarm level intensity: ≥100dB.
● Alarm sound level intensity: ≥105dB.
● Continuous alarm time: ≥600min.
● Continuous startup time: ≥123h.
● Luminous brightness: > 350cd/m².
● Mass ≤220g.
● Provide the inspection report of the national fire equipment Quality supervision and inspection Center.
