描述了在80～200K温域内,用漏热法测定固体材料热容的量热装置。对标准参考样品α-Al_2O_3的热容进行了测定。在实验温域内,测量结果与美国标准局的数据是符合的,偏差在±1.8％以内,证实了装置性能可靠。另外,对YBa_2Cu_3O_(7-x)超导体样品进行了比热测定,测量精度为±3％。 Describes the calorimeter for the determination of the heat capacity of solid materials by the heat leak method in the temperature range of 80 ~ 200K. The heat capacity of the standard reference sample α-Al 2 O 3 was determined. In the experimental temperature range, the measurement results are in accordance with those of the U.S. Bureau of Standards and the deviation is within ± 1.8%, confirming the reliable performance of the device. In addition, the YBa2Cu_3O_ (7-x) superconductors samples were measured by specific heat, the measurement accuracy of ± 3%.