The paper analyses precision of psychrometer used in the closed warehouse by tests,the extent of error is determined,and the method of correction in practice is given.

• 通过实验,对利用干湿球温度表观测密闭库房湿度所产生的偏差进行了分析,确定了偏差的范围和大小,并提出了在实际工作中修正偏差的方法。