Dielectric constant measuring device and use method thereof

The invention discloses a dielectric constant measuring device and a use method thereof. The dielectric constant measuring device comprises a base, a screw hole is formed in the top of the base, a screw rod is connected into the screw hole through threads, a handle is hinged to the top of the screw rod, an arched plate is connected to the bottom of the screw rod through a bearing, a lower pressing plate is fixed to the bottom of the arched plate in a welded mode, guide columns are correspondingly installed on the inner wall of the bottom of the base and slidably connected with the lower pressing plate, a sequential power-on triggering device is arranged on one side of the lower pressing plate, an upper polar plate and a lower polar plate are installed on one side of the lower pressing plate, a current testing end is electrically connected between the upper polar plate and the lower polar plate, the sequential power-on triggering device comprises a liquid storage tank, a middle tank, a front tank and a rear ta