For BT type electric lubricator, 2L, 3L, 4L, 6L, 8L high strength plastic tanks or various metallic tanks are available. Different lubricator tpye selection is based on its application and host system. Optional accessories contain level switch, pressure switch, which can connect with the host system, to realize integrated interval, lubrication and alarming. With the free choice of lubrication system, lubrication time can be set freely by lubricator, and they look well. they adopt buzzer for alarm when exception, provides No, Nc connection, ease of usage.