Leakage Protector Tester is well designed and manufactured for online measuring the leakage operating current, leakage non-operating current, leakage operating time of the leakage protector; adopt 16 characters blue display, it is convenient and intuitive. The range of leakage current is 0~1000mA, range of the leakage operating time is 0~799ms. It is a product with high accuracy, small size, light weight, exquisite appearance, easy to carry, is an ideal tool for a variety of leakage protector in site or in laboratory testing.