Insulating oil dielectric strength tester/BDV voltage testerFeatures:1, this instrument USES microprocessors, automatically booster, keep, and let stand, stirring,, calculation and printing operations, can be performed within the 0 ~ 80/100 kv oil circulating pressure test.2, LCD display, English menu prompt.3, the instrument is simple operation, the operator can make simple set, the instrument will automatically set the complete 1 cup of oil pressure test. 1 ~ 6 times of breakdown voltage value and the number of cycle is automatically stored, and after completion of test, thermal printer can print out all average value and breakdown voltage.4, power down, can store 100 experimental results, and can display the current temperature and humidity environment.5, at a constant speed controlled by single chip microcomputer for booster, voltage frequency accurately to 50 hz, make the whole process is easy to control.6, with over-voltage, over-current, limit protection, such as to ensure the safety of the operator.7, with functions of temperature measurement shows as well as the system clock display. http://www.electric-test.com/tr...sk-type-transformer.html