The Insulating Oil Dielectric Strength Tester is a high-precision, fully digital industrial instrument meticulously developed by our R&D team. It leverages our technical strengths and incorporates extensive field testing and long-term, dedicated effort, all while adhering to the national standard GB507-1986 and the international standard IEC60156. To meet diverse user needs, the series is available in single-cup, three-cup, and multi-cup models. The instrument features a user-friendly interface and an elegant, professional design. Utilizing fully automatic digital microprocessor control, it offers high measurement accuracy, strong anti-interference capabilities, and reliable safety. Powered by an internal lithium battery, it allows for field testing without the need for an external power supply.

Product Features:

1. Controlled by a high-capacity microcontroller for stable and reliable operation;

2. Features a wide-range watchdog circuit to prevent system crashes or freezing;

3. Offers multiple operation modes: includes built-in programs for national standards GB507-1986 and GB507-2002, industry standard DL/429, international standard IEC156, and custom settings; supports 10 selectable standards to meet requirements across most countries;

4. The oil cup is molded from special glass in a single casting process, eliminating issues such as oil leakage;

5. Unique high-voltage side sampling design feeds test values directly into the A/D converter, avoiding errors associated with analog circuitry and ensuring greater measurement accuracy;

6. Frequency is adjustable to customer requirements (switchable between 50Hz and 60Hz);

7. Includes internal protection functions against overcurrent, overvoltage, and short circuits, alongside robust anti-interference capabilities and excellent electromagnetic compatibility;

8. Built-in lithium battery provides 48 hours of operation without external power; portable design ensures easy mobility and convenience for both indoor and outdoor use. Adjustable frequency; suitable for unrestricted use by both domestic and international users;

9. Standard RS-232 communication interface;

Technical Specifications:

1. Step-up transformer capacity: 1.5 kVA

2. Voltage rise rate: 0.5 kV/s – 5.0 kV/s (selectable in 0.5 kV/s increments across 10 settings); error: ±0.2 kV/s

3. Output voltage: 0–70 kV (optional)

4. Voltage accuracy: ±(2% of reading + 2 digits)

5. Power supply distortion rate: <1%

6. Electrode gap: Standard 2.5 mm

7. Number of tests: 6 (selectable range: 1–10)

8. Static resting time: 900 s (selectable range: 0–5900 s)

9. Interval resting time: 300 s (selectable range: 0–5900 s)

10. Stirring time: 15 s (selectable range: 0–240 s, or always on/always off)

11. Display: Large-screen LCD with Chinese character display

12. Dimensions: Length 360 mm; Width 300 mm; Height 360 mm

13. Instrument weight: 22 kg