防爆认证：

• II 2 G EEx d IIC T5 Ta 55ºC Max, T6/Ta 40ºC Max

• Ex tD A21 IP66 T100ºC @ Ta55ºC Max, T85ºC @ Ta40ºC Max

• IP66

• -20ºC-10ºC to 40ºC 55ºC (note this depends on the internal hardware used)