Automatic tester for dielectric strength of insulating oil

Provided is an automatic tester for the dielectric strength of insulating oil. The automatic tester comprises a high-voltage cabin, the high-voltage cabin comprises a high-voltage cabin body, at least two high-voltage columns are arranged in the high-voltage cabin body, an oil cup is arranged between each two high-voltage columns, two shaft rods are connected on a cup wall of the oil cup, the shaft rods penetrate through the cup wall of the oil cup, one ends of the shaft rods are arranged in the oil cup, the other ends of the shaft rods are arranged at the external part of the oil cup, the oil cup is supported between the two high-voltage columns via the shaft rods positioned at the external part of the oil cup, one end of each shaft rod, positioned in the oil cup, is connected with an electrode, and a gap is arranged between two electrodes. By adopting the above scheme, the function of automatic detection is provided, the tester automatically enters a reset state and performs zero returning of a voltage regulator, the function of automatic printing and output is provided, test parameters can be changed according to the requirement of users, the operation is flexible, non-uniformity of oil samples can be eliminated, and the test accuracy of bubbles can be improved.