Device and method for testing compartment cable sealing element

The invention discloses a device for testing a compartment cable sealing element, a sealing element is fixed on the outer side of a compartment cable, the sealing element comprises a high-pressure container and a compartment cable box, two opposite ends in the high-pressure container are provided with gaps, and the compartment cable box is in sealed connection with the gaps; the compartment cable penetrates through the compartment cable box, the compartment cable box and the compartment cable are connected in a sealed mode, and an air inlet, an air outlet and an instrument interface are formed in the high-pressure container; the testing device further comprises a detection instrument and a pressure generator. The detection instrument is detachably installed at the instrument connector, and the output end of the pressure generator is detachably installed at the air inlet. According to the testing device and method for the bay cable sealing element, a high-temperature and high-pressure testing environment is pr