YH074 GH-SL1型油罐渗漏检测仪检测仪电压:220V AC报警方式:声光报警防爆等级:Ex ia Ⅱ B T4 Ga巡检时间:≤1sYH074 GH-SL1 type Oil tank leakage detectorDetector voltage:220V ACAlarm way:Audible alarmExplosion-proof grade:Ex ia Ⅱ B T4 GaInspection time:≤1s
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