Transformer Oil Dielectric Loss and Resistivity test instrument(TP-6100A)
Product Application
TP-6100A Insulating oil dielectric loss and resistivity tester, TP-6100A is based on IEC and GB/T5654-2007 design and manufacturing of Liquid insulating material of relative permittivity, dielectric loss factor
and DC resistivity measurements. Used for measuring the insulation oil and other dielectric loss factor of liquid insulating medium and DC resistivity. The instrument is characterized by integrated structure, and
integrates the dielectric loss of grease cup, temperature controller, temperature sensor, dielectric loss test bridge, AC test power, standard capacitor, high resistance meter, DC high voltage source and other major
components. The instrument adopts full digital technology and all of the intelligent automatic measurement, is equipped with large screen (240*128) LCD display , the test results can be automatically stored and printed output, so that the operator without professional training will be able to use it proficiently.
Product Features
1.Grease cup used in line with the national standard GB/T5654-2007 of the three-electrode structure, inter-electrode spacing 2mm, can eliminate the stray capacitance and leakage effects on dielectric loss test results
2.The instrument adopts the medium frequency induction heating, PID temperature control algorithm. This heating method has the advantages of the oil cup and the heating body non-contact, even heating, fast speed, convenient control, strict control of the temperature in the temperature error within the preset range.
3.Internal standard capacitor of SF6 gas-filled three-electrode capacitance of the capacitor dielectric loss and electrical capacity independent of ambient temperature, humidity and other effects, the instrument
accuracy is ensured even after prolonged use.
4.AC test power supply using AC-DC-AC conversion, effectively avoid the fluctuations in mains voltage and frequency on dielectric loss measurement accuracy effect. Even a generator, the instrument can work properly.
5.Perfect protection function; When there is over voltage,over current or high-voltage short circuit, instruments can quickly cut off pressure, and issues a warning message. When the temperature of the sensor failure or
not connected, the instrument will also issue a warning message.
6.There is a temperature limiting relay in the medium frequency induction heating furnace. When temperature above 120 degrees, the instrument frees the relay and stops heating.
7.More convenient the experimental parameter is set. Temperature setting range 0~125ºC, AC voltage setting range 500~2200V, DC voltage setting range 0~500V.
8.Using a large-screen LCD display with backlight, clear display. Friendly interface, simply follow the Chinese menu prompt, enter the command, the instrument can be automatically tested. And automatically store and print test results.
9.Built-in real-time clock, the test date, time may be retained with the test results, display and print.
10.Air electrode cup calibration function. Measurement of air electrode cup capacitance and dielectric loss factor, in order to determine air electrode cup cleaning and assembly condition. The calibration data is automatically saved, in order to facilitate the calculation of relative permittivity and DC resistivity.
Safety Measures
1. using electromagnetic induction heating technique, even heating, fast temperature rise speed,
short time.
2. the output voltage 500V ~ 2000V is continuous and adjustable, suitable for different sample the
voltage level required.
3. the temperature control is accurate, is not affected by environment temperature influence.
4. high measurement accuracy, stable, reproducible data.
5. a boot detection circuit, no grounding or earthing is not good to give a hint.
6. a short-circuit protection circuit, short circuit and high voltage output circuit.
Technical Parameter
Electrode gap : 2mm
Maximum working voltage:2KV,50HZ
The empty cup capacitance:60±5pF
The empty cup dielectric loss : ≤5×10-5
Liquid capacity :40ml
Power supply voltage:AC220V±10%
Power frequency:50Hz/60Hz ±1%
Measuring range:
Electric capacity 5pF~200pF
Relative capacitivity1.000~30.000
Dielectric loss factor0.00001~100
DC Resistivity 2.5MΩm~20TΩm
Measuring accuracy:
Electric capacity± (1% of reading +0.5pF)
Relative capacitivity±1% of reading
DC Resistivity±10% of reading
Resolution:
Electric capacity 0.01pF
Relative capacitivity 0.001
Dielectric dissipation factor 0.00001
Measured temperature range:0~125ºC
Temperature measurement error:±0.5ºC
Test Voltage AC(RMS):500~2200V Continuously adjustable, frequency 50Hz
Test Voltage DC:0~500V Continuously adjustable
Power dissipation:100W
External dimensions:500×360×420
Total weight:22Kg
Procuct Diagram
1. the high voltage pole ( outer electrode )
2. the measuring electrode ( electrode )
3. insulating magnetic column ( high frequency porcelain )
4. a compression nut
5. shielding electrode
6. an insulating magnetic column ( high frequency porcelain )
7. Mounting body
8. a mounting body of measuring electrode leading-out terminal
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