The utility model provides an improved generation high pressure electroscope, including testing the electric installation, test the electric installation and install at last upper end of the support bar, go up the bracing piece and pass through the bolt hookup at the top of telescopic link shell, installation pulley and guide rail in the telescopic link shell, the upper end of guide rail is articulated with lower support rod's lower extreme, lower support rod's upper end is articulated with the lower extreme of last bracing piece, is equipped with the tooth's socket on the guide rail, still be equipped with with tooth's socket complex gear, but still install the fixed stop device of chucking gear, the rocker is still connected to the gear. It adjusts the angle of testing the electric installation through with the hand mode that shakes the pole, and when adjusting to suitable angle, the knob on the rotatory fixed stop device of accessible is fixed.