High Quality Dielectric Loss Tester Tan Delta Meter Automatic Transformer Capacitance Dissipation Test

Short Description:


Oil Tan Delta Tester is used for measuring dielectric loss factor and dc resistivity of insulating liquid dielectric such as insulating oil.

Product Detail

Product Tags

Automatic Electronic Tan Delta Tester Transformer Insulating Oil Dielectric Loss Tester

Internal integration of dielectric loss oil cup, temperature controller, temperature sensor, dielectric loss test bridge, ac test power supply, standard capacitor, high resistance meter, dc high voltage source and other main components. The instrument is equipped with a 5.7-inch TFT pure color LCD touch screen and a Chinese menu. The test results can be stored and printed out automatically.


The main technical indicators of this Transformer Oil Tan Delta Test Set

The power supply voltage

AC 220V±10%

Power frequency

50Hz/60Hz ±1%



Measuring range

Capacitance 5pF~200pF

Relative permittivity 1.000~30.000

Dielectric loss factor 0.00001~100

DC resistivity 2.5 MΩm~20 TΩm



Measurement accuracy

Capacitance ± (1% reading + 0.5pF)

The relative permittivity±(1-10)%reading

Dielectric loss factor±(5%reading+0.0002)

DC resistivity ±10% of reading


Best Resolution

Capacitance 0.01pF

Relative permittivity 0.001

Dielectric loss factor 0.00001

Temperature measurement range


Temperature measurement error


AC test voltage

200~2200V Continuous adjustable, frequency 50Hz

DC test voltage

 0~500V Continuous adjustable

Work consumption



460mm* 370mm*330mm



Operating Temperature


Relative Humidity


The main functions and characteristics about this Insulation Oil Dielectric Losses Analzer

1.Instrument by medium frequency induction heating, PID temperature control algorithm. The heating mode with oil cup with non-contact heating body, heat evenly, high speed, convenient control, make temperature strictly controlled within the preset temperature error range.

2.Internal standard capacitor for SF6 inflatable three pole type capacitor, the capacitance of the dielectric loss and capacitance is not affected by environmental temperature, humidity, The instrument accuracy after long time use is still guaranteed.

3.Perfect protection function. When over voltage, over current, high voltage short circuit, Instrument can quickly cut off the high pressure, and send out a warning message.. When the temperature sensor failure or not connected, the warning information. In the medium frequency induction heating furnace with finite temperature relay, When the temperature over 120 degrees, the relay release, stop heating.

4.Parameters setting is convenient. Temperature set range of 40 ~ 120 ℃,Ac voltage setting range200 ~ 2200 v,0 ~ 500 v dc voltage setting range.

5.Adopted the pure color TFT LCD touch screen display, show clear. Simply set, the instrument can automatically test. And automatic storage and print the test results.

6.Built-in real-time clock, the test date, time may be retained with the test results, display and print.

7.Empty cup electrode calibration function. Measure the empty cup electrode capacitance and dielectric loss factor, cleaning and assembly of electrode to determine empty cup. Calibration data is automatically saved for relative permittivity and precise calculation of dc resistivity.

8.Instrument RAM9 platform as the core, high precision, high speed.

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