The utility model discloses a thereby reducing impact to electric network, , including closed box, be equipped with multiunit temperature data collection passageway and multiunit pressure collecting passageway on the box, still be equipped with on the box one or more with integrated temperature quick connector that temperature data collection passageway electricity is connected and one or more and the integrated pressure quick connector that pressure collecting passageway electricity is connected. The utility model discloses can be used for the test rack that has now, provide a plurality of data acquisition passageways, improve the data acquisition ability of test rack, satisfy the test demand of gathering of engine pedestal development, the utilizing the aspect and use the range of extension test rack, and adopt integrated temperature quick connector and integrated pressure quick connector, the data connection is convenient, swift, has the commonality, all can mate the use with multiple test rack, confined box body type structure seals circuit and components and parts in the box, makes the work -yard clean clean and tidy more, has improved experimental fail safe nature.