The utility model relates to an electrician's utensil is tested to portable high pressure, it includes high -pressure electroscope, insulating rod and double -end fixture, the double -end fixture include upper junction plate, the lower connecting plate corresponding with the upper junction plate, with the last arc board of high -pressure electroscope outer face of cylinder looks adaptation and with the insulating rod lower arc board of face of cylinder looks adaptation outward, upper junction plate and connecting plate connection down, it corresponds the setting on the face of the both sides of upper junction plate to go up the arc board, down the arc board corresponds on the both sides face that sets up connecting plate under, the utility model discloses realize through an insulating rod to being suitable for of a plurality of high -pressure electroscopes, needing to avoid need carrying corresponding insulating rod to different specifications high pressure electroscope, lighten intensity of labour, the commonality is strong, improves work efficiency.