New Insulating Oil Dielectric Strength Tester

  • New Insulating Oil Dielectric Strength Tester
  • New Insulating Oil Dielectric Strength Tester
  • New Insulating Oil Dielectric Strength Tester
  • New Insulating Oil Dielectric Strength Tester
New Insulating Oil Dielectric Strength Tester
  • Wrindu
  • RDJJH-100KV

1. This insulating oil dielectric strength tester utilizes a microprocessor for automated functions like boosting, holding, stirring, and voltage testing within the 0-100kV range.
2. This insulating oil dielectric strength tester features a user-friendly large LCD display with Chinese menu prompts.
3. The operation is straightforward, with the instrument automatically conducting pressure tests based on user settings, storing breakdown voltage values, and printing results via a thermal printer.
4. The insulating oil dielectric strength tester offers power-down data retention, with storage for up to 100 test results and displays current ambient temperature and humidity.
5. Precise 50 Hz voltage frequency control using a single-chip microcomputer ensures easy and accurate process control.


In the power system, railway system and large petrochemical plants and mines, enterprises have a large number of electrical equipment. The internal insulation is mostly oil-filled insulation type and the dielectric strength of insulating oil is a routine test. In order to meet the needs of the market, our company has developed and produced a series of dielectric strength tester for insulating oil according to relevant standards. The instrument takes single chip microcomputer as the core, which realizes all the automation of the test, high measurement accuracy, greatly improves the work efficiency, greatly reduces the labor intensity of the staff, at the same time, the appearance of the instrument is small, easy to carry.


1. Microprocessor is used in this instrument, which can automatically complete the operation of boosting, holding, stirring, static setting, calculation, printing, etc. it can carry out oil circulation withstand voltage test in the range of 0-100kV.

2. Large screen LCD display, Chinese menu prompt.

3. The operation of the instrument is simple. The operator only needs to make simple settings. The instrument will automatically complete the pressure test of one cup of oil sample according to the settings. The breakdown voltage value and cycle times of 1-6 times will be automatically stored. After the test, the thermal printer can print out the breakdown voltage value and average value of each time.

4. Power down hold, 100 experimental results can be stored, and the current ambient temperature and humidity can be displayed.

5. The single chip microcomputer is used to control the constant voltage rise, and the voltage frequency is accurate to 50 Hz, which makes the whole process easy to control.

6. It has over-voltage, over-current and limit protection to ensure the safety of operators.

7. It has the function of temperature measurement display and system clock display.

8. Standard RS232 interface, can communicate with computer.



 dielectric strength tester




Output voltage

0 100kV


0 100kV



Voltage distortion rate

< 3%


Boost speed

0.5-5kv/s (adjustable)


Standing time

15 minutes (adjustable)


Boost interval

5 minutes (adjustable)


Boost times

1-9 times (optional)


Booster capacity



Measurement accuracy

± 3%


Power supply voltage

AC220 V ± 10%, 50 Hz ± 1 Hz





Applicable temperature

0 ℃ 45 ℃


Applicable humidity

< 75% RH


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