适用于IIA IIB IIC IIC爆炸危险气体区域1和2区。可燃的尘埃区21和22区前杂志:ex db iic GB,eb eb iic GB,ex tb iiic db。II 2G EX DB IIC GB,II 2G EB IIC GB,II 2D EX TB IIIC DB。ATEX CERT。否:EPT 20 ATEX 3883UIECEX证书。否:IECEX EUT 20.0016U耐腐蚀性:WF1,WF2环境温度:-55≤ta≤+65℃