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展品说明:II 2G Ex ib op is IIC T4 Gb II 2D Ex ib IIIC T135℃ Db IP66 Light Source: LED, 4V, 1W Output: 45lm Beam Distance: 50m Duration time: Up to 21 hours Light time: 25000 hours Battery: Lithium-Ion Battery 4.2V 7.5Ah Area of Classification(Gas): Zone1 &2, Gas Group: IIA,IIB,IIC Area of Classification(Dusts): Zone21 &22, Dusts Group: IIIA,IIIB,IIIC Ambient Temperature: -20℃ to +40℃ Ingress Protection: IP66 Packing: 12pcs per carton 47cm*47cm*32cm Gross weight: 18.50kgs