Portable electric lightning arrester testing device

The utility model relates to a portable electric power lightning arrester testing device, and belongs to the technical field of lightning arrester testing. Comprising a protection box body, a tester main body, an operation panel and a pay-off device, the pay-off device comprises a pay-off groove, partition plates, a wrapping post and pin rods, the wrapping post is sleeved with a plurality of partition plates, positioning blocks are correspondingly arranged on the two sides of the uppermost partition plate, positioning holes are formed in the positioning blocks, a plurality of pin holes are correspondingly formed in the two sides of the wrapping post, and the pin rods are arranged in the pin holes. The uppermost partition plate is movably mounted on the wrapping post through a pin rod; according to the utility model, the pay-off groove is arranged, the wrapping post is arranged on the pay-off groove, a wire for testing can be directly wound on the wrapping post or then sleeved in the wrapping post after being