Monitor high and low liquid level conditions. Single or multiple control switch(es) activate an exterior audiovisual alarm.
检测高或低水平条件，单个或多个控制开关可以激活外部的视听觉警报器。
Widely used for high and low water level control and alarming for liquid tanks of ship, chemical and other industries equipments.
产品广泛适用于对船舰、化工及其它工业设备中舱柜内的液位进行两位式控制和报警。
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