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NR7410 series insulating oil dielectric loss tester

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NR7410 series insulating oil dielectric loss tester

Insulating oil dielectric loss tester meets the requirements of GB/T5654-2007 "Measurement of Relative Permittivity, Dielectric Loss Factor and DC Resistivity of Liquid Insulating Materials", and is used for the dielectric loss (tg δ) and capacitance of various insulating liquids (Cx) measurement. NR7410 insulating oil dielectric loss tester can identify whether the insulating oil contains moisture and impurities, judge its aging degree, and the insulation performance. It is widely used in the measurement of dielectric loss and capacitance of transformer oil, capacitor oil and cable oil. Light weight and beautiful appearance.
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Product Description

  Insulating oil dielectric loss tester meets the requirements of GB/T5654-2007 "Measurement of relative permittivity, dielectric loss factor and DC resistivity of liquid insulating materials", and is used for the dielectric loss (tg δ) and capacitance of various insulating liquids (Cx) measurement. NR7410 insulating oil dielectric loss tester can identify whether the insulating oil contains moisture and impurities, judge its aging degree, and the insulation performance. It is widely used in the measurement of dielectric loss and capacitance of transformer oil, capacitor oil and cable oil. Light weight and beautiful appearance.

Main Feature

  ◆Using electromagnetic induction heating technology

  The instrument adopts high-frequency electromagnetic induction heating technology, which has uniform heating, fast heating speed, short time, accurate temperature control, and is not affected by the high or low ambient temperature. Single-chip microcomputer control and calculation, realize automation, high capacitance and dielectric loss measurement accuracy, stable data, and good repeatability;

  ◆ Wide voltage range

  The output voltage is continuously adjustable from 300 to 2000V, which is suitable for the voltage level needs of different test products. Users can choose and control according to the test products;

  ◆ Ground protection

  When there is no grounding wire or the grounding is not good, the instrument will automatically prompt with Chinese characters. With short circuit protection circuit, oil cup short circuit or high voltage output short circuit protection;

  ◆ Empty cup automatic calibration

  Under the power frequency of 2KV, the dielectric loss of the empty cup measured is less than 0.005%, and the capacitance value is 60PF±2 PF, which guarantees the accuracy of the measurement.

Technical Parameters
voltage
AC 220V±10%
Power frequency
50Hz/60Hz ±1%
Measuring range Electric capacity: 5pF~200pF
Relative permittivity: 1.000~30.000
Dielectric loss factor: 0.00001~100
DC resistivity: 2.5 MΩm~20 TΩm
measurement accuracy Electric capacity: ±(1% reading+0.5pF)
Relative permittivity: ±1% of reading
Dielectric loss factor: ±(1% reading+0.0001)
DC resistivity: ±10% of reading
Resolution Electric capacity: 0.01pF
Relative permittivity: 0.001
Dielectric loss factor: 0.00001
Temperature range
0 ~125℃
Temperature measurement error
±0.5℃
AC test voltage 500~2200V Continuously adjustable, frequency 50Hz
DC test voltage 0~500V Continuously adjustable
Power consumption
100W
Dimensions (mm)
500*360*420
gross weight
22kg
Conditions of Use Ambient temperature: 0℃~40℃
Relative humidity: <75%

 

Keyword:
Test part of cable and arrester
Comprehensive test part
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