A: Summary DSHD-507 Insulating Oils Breakdown Voltage Tester is designed according the National Standard of People’s Republic of China GB/T 507-2002 “Test Methods for Breakdown Voltage of Insulating Oils”, Industry Standard of People’s Republic of China DL429.9-91, and the characteristics of similar instruments all over the world. Adopting specially designed solid voltage increasing technologies, DSHD-507 Insulating Oils Breakdown Voltage Tester is intuitive, simple and convenient to operate, accurate, beautiful. Meanwhile, it is achieved the advantage of reasonable structure, excellent repeatability and low system error. DSHD-507 Insulating Oils Breakdown Voltage Tester is especially suitable for determination on site. So it has been widely used in the fields of railway, aviation, power plant, petroleum, and scientific research institutes, etc to determine the breakdown voltage of insulating oils. B: Main technical specifications and parameters 1. Output power: 2000W 2. Measurement range: 0～70 KV 3. Voltage increasing speed: 3 KV±10%/s 4. Distance between electrodes: 2.5 mm 5. Power supply: AC 220 V±10%, 50 Hz 6. Dimension: 330 mm×350 mm×360 mm