Technical Parameters
| Test voltage range | 0～2000VAC，0～500VDC |
| Test temperature range | at room temperature～120℃ |
| Dielectric loss test range | 0.00001～100 |
| Resistivity measurement range | 2.5MΩ·m～100TΩ·m |
| Relative capacitivity test range | 0~40 |
| Test capacitance range | 50pF ~ 200pF |
| Measurement accuracy - dielectric loss factor | ±（value×0.5%+0.0001） |
| Capacitance | ±（value×0.5%+0.1pF） |
| Relative capacitivity | ±10% indicates value |
| DC resistivity | ± (value ×0.5%+0.1) |
| Dielectric loss value resolution | 0.00001 |
| Resistivity resolution | 0.001MΩ·m |
| Capacitance resolution | 0.01pF |
| Relative capacitivity | 0.001 |
| Power | 500W |
| Dimensions | 470×425×385mm3 |
| Weight | 22kg |
| Environment temperature | 0℃ ~ +40℃ |
| Relative humidity | ≤75%RH |
Product Characteristics
1. The application of advanced measurement principles and highly digital technology, fully automatic heating, temperature control, high-speed data sampling, calculation, display, printing and storage processes.
2. The oil cup adopts the three-electrode structure conforming to the national standard GB/T5654-2007, and the electrode spacing is 2mm, which can eliminate the influence of stray capacitance and leakage current on the dielectric loss test results
3. The instrument adopts medium frequency induction heating, which has the advantages of non-contact between the oil cup and the heating body, uniform heating, fast speed, convenient control, etc., so that the temperature is strictly controlled within the preset temperature error range
4. Contains a standard capacitor, the dielectric loss and capacitance of the capacitor are not affected by ambient temperature, humidity, etc., so that the accuracy of the instrument is still guaranteed after a long time of use
5. Large screen color touch screen, man-machine dialogue is convenient, simple and clear operation, at a glance
6. With open cover break high pressure, oil cup high and low electrode short circuit and other warm tips, eliminate safety hazards, to ensure the personal safety of operators and the normal operation of equipment
7. With real-time clock, test date and time can be saved, displayed and printed with test results
8. Automatic storage of measurement data, can store 100 groups of measurement data, thermal printing speed is fast
9. With empty electrode cup calibration function
10. Calibration data is automatically saved to facilitate accurate calculation of relative permittivity and DC resistivity
Application Scenarios
Power systems: Used for preventive testing and condition-based maintenance of insulating oil in transformers, instrument transformers, bushings, and other equipment.
Equipment manufacturing: Used for quality inspection of insulating oil in oil-immersed equipment such as transformers and reactors before delivery.
Oil production: Used for quality control and performance testing of new oil, in-service oil, and reclaimed oil.
Testing institutions: Used for insulating oil quality testing, equipment acceptance, and fault analysis.
Research and laboratory experiments: Used for research and testing of insulating materials, dielectrics, and new types of insulating liquids.
FAQ about Transformer Oil Dielectric Loss Tester
How to choose a suitable insulating oil dielectric loss tester?
When selecting a model, key factors to consider include the test parameter range, measurement accuracy, temperature control method, degree of automation, data storage capacity, and whether it supports printing and communication interfaces. In addition, the detection frequency, operating environment, and applicable industry standards should also be taken into account when choosing the appropriate model.
What types of oil samples can the insulating oil dielectric loss tester test?
The insulating oil dielectric loss tester is suitable for transformer oil, instrument transformer oil, capacitor oil, switch oil, as well as other mineral insulating oils and certain synthetic insulating liquids. Whether it is new oil, in-service oil, or reclaimed insulating oil, the insulation performance can be evaluated through testing to determine whether it meets the requirements for use.
What types of oil samples can the insulating oil dielectric loss tester test?
The insulating oil dielectric loss tester is suitable for transformer oil, instrument transformer oil, capacitor oil, switch oil, as well as other mineral insulating oils and certain synthetic insulating liquids. Whether it is new oil, in-service oil, or reclaimed insulating oil, the insulation performance can be evaluated through testing to determine whether it meets the requirements for use.
