GPJD - 50Type of power frequency50HZtypeDielectric loss and dielectric constant testing system

Keywords50HZPower frequency, dielectric losstgδ， Dielectric constant (ε)

GPJD - 50typepower frequency50HZThe type of dielectric loss dielectric constant testing system is specifically designed for insulation materials such as mica tape, organic silicon, polypropylene and other polymer materials, transformer oil, capacitor oil, cable oil and other insulation oilsSolid electrical insulation materials such as insulation paint, resin and adhesive, impregnated fiber products, laminated products, mica and its products, plastics, cable materials, film composite products, ceramics and Relative of glass, etcDielectric constant（ε）Tangent value of dielectric loss angle（tgδ）The testing.The measurement of high voltage dielectric loss and dielectric constant can be carried out using an automatic testing mode, which breaks through the traditional bridge measurement method by measuring the capacitance and dielectric loss values under different voltages. It adopts variable frequency power supply technology and utilizes single-chip microcontrollers and modern electronic technology for automatic frequency conversion and modeling/Number conversion and data operation; Achieve strong anti-interference ability, fast testing speed, high accuracy, fully automatic digitization, and easy operation;This electrode adopts a three electrode structure, which can effectively eliminate the influence of surface leakage current and make the electric field under the measuring electrode tend towards a uniform electric field.The power supply adopts high-power switching power supply, with output45Hz and 55Hz pure sine waves, automatic pressurization, automatic filtering of 50Hz interference. comply withGB5654,GBT1409,GBT1693Waiting for national standards.

Complies with:

1、 《GB/T 1409-2006 Recommended method for measuring the permittivity and dielectric loss factor of electrical insulation materials at power frequency, audio frequency, and high frequency (including meter wave wavelength)

2TheGB/T 1693-2007sulfurChemical rubber Method for determination of dielectric constant and dielectric loss tangent

3、GB/T 5654-1985 Measurement of relative permittivity, dielectric loss factor and volume resistivity of liquid insulation materials at power frequency

Main technical parameters:

1. Accuracy: Cx: ± (reading x 0.5%+0.5pF)

Test the three electrode systemCx: ± (reading x 0.2%+0.2pF)

dielectric losstgδ: ± (reading x 0.5%+0.00005) resolution 0.000001

Test the three electrode systemtgδ: 0.00001-1± (reading x 0.2%+0.0000)5）

dielectric constantε:1-1000± (reading x 0.5%)

2. Capacity range: High voltage applied internally: 3pF～509000pF/2.5kV 60pF~2.5μF/0.5kV

External high pressure: 3pF~1.5μF/10kV 60pF~30μF/0.5kV

divide distinguish rate： highest0.0001pF， 4 significant digits

3、TG δ range Surrounding: Unlimited, resolution0.0001%, automatic identification of capacitors, inductors, and resistors.

4Test current range： 5Apply high pressure within μ A~5A: Set voltage range:0.5～2500V

Maximum output current: 400mA, frequency 40-70HZ adjustable

5. Maximum electrode temperature: 200 ° C (with temperature controller, accuracy of 0.1 °)

6. Heating time: 30 minutes

7. Electrode pressure: 0~~1.0Mpa continuously adjustable

8Maximum measured voltage: 2000V，50Hz

9、 真空度： The electrode can be evacuated to3*10^-2 Mpa

7Distance between high and low voltage electrodes:Adjustable from 0 to 5mm

8Percentage representation value:0.01mm

9High voltage electrode diameter and surface area ￠98mm(75.43cm²)

10Measure pole diameter:50mm (surface area 19.6cm)²）

11Empty Poletgδ：≤3×10^-5

5. Environmental temperature: 20 ± 5 ℃

6. Relative humidity: 65 ± 5%

13Volume:Ф210mm H180mm

14Weight:6kg

Electrode pressure 0~~1.0Mpa continuously adjustable

Maximum measured voltage 2000V，50Hz

真空度 The electrode can be evacuated to3*10^-2 Mpa

Dimensions & Weight long*Width * Height 400 mm * 300 mm * 400 mm, 15Kg