压力、温度、流量、液位、阀门、逻辑开关
WREK-440防爆铠装热电偶
WRNK-440防爆铠装热电偶
WRNK-240防爆铠装热电偶
WREK-240防爆铠装热电偶
WRN2-640A防爆热电偶
WRE2-640A防爆热电偶
WRN2-440A防爆热电偶
WRE2-440A防爆热电偶
WRN2-240A防爆热电偶
WRE2-240A防爆热电偶
WRN-640A防爆热电偶
WRN-440A防爆热电偶