To determine the safety waterlevel and the warning waterlevel is of chiefly assignment for the new gauge.
确定各水文站保证水位和警戒水位，是新建水文站的首要工作任务之一。
2
Such as saw watergauge at run time with dull not beating the water, should immediately find out the reasons, prevent the formation of false water level.
如在运行时看见水位表内有水面呆滞不跳动，应立即查明原因，防止形成假水位。
3
When a differential pressure water - levelgauge is used to measure the water - level in the vessel, large uncertainty can be induced because of the change of media density in the vessel.