First quality insulation tester shoe factory direct supply quality first-class insulation tester shoe factory direct supply of the device is designed to detect live working insulation safety protective gear (gloves, boots, hats) and other pressure test and design, production operating simple, convenient, and its built-in test transformer Users can choose: Oil, Dry series high voltage test transformer technical parameters ◆ test protective equipment items: each can do all kinds of protective gloves (boots, hats) 10; or do shawl protection (clothing, pants, pads, blankets a); protective sleeves or make a pair. ◆ provide test voltage: 50000V adjustable. ◆ Allow test leakage current: Each up: 10mA. ◆ test voltage (current) Accuracy: 0.5% ◆ test, to detect and display each line shunt specimen leakage current, if a piece of the leakage current exceeds the limit, it immediately cut off the test shunt, to exclude the entire outside the test, other tests and the brightest continue. First quality insulation tester shoe factory direct supply quality first-class insulation tester shoe factory direct supply