HGJD203The insulation oil dielectric loss and resistivity measuring instrument fully absorbs the advantages of similar products,And it is designed with optimized functions based on the needs of China's power and petrochemical sectors. This instrument is capable of completing the relative dielectric constant (ε) of liquid insulation media (especially insulation oil suitable for transformers and circuit breakers) according to established proceduresr)Measurement of parameters such as dielectric loss factor (tan δ) and volume resistivity (ρ).
Main technical parameters
Applicable standards:GB/T 5654-2007
Temperature measurement: Room temperature~110℃Resolution:0.1℃
Dielectric loss factortanδ: Scope0.00001~0.5, maximum resolution 0.001%
Accuracy: Measurement results1%±0.00008
resistivityρrange: Accuracy ±0.3%,1.0×106~1.0×1014Ω·m
Measurement power supply:50Hz 2000VACAdjustable, volume resistivity500V DC
Oil cup type: Three electrode measuring oil cup
Empty cup capacitance value:68.5pF~73pF
Electrode spacing:2mm
Measurement accuracy:5℃~40℃Accuracy of measurement results:Measurement value±5%+0.0005
18℃~28℃Accuracy of measurement results:Measurement value±1%+0.00008
ambient humidity:≤85%(No condensation)
Power Supply:AC220V±10% 50Hz±5%
Power:500W
External dimensions:485×360×400mm
main features
■ Accurate determination of the relative dielectric constant (ε) of liquid insulating mediar)Dielectric loss factor (tan δ), volume resistivity (ρ)
■ Automatic calibration function for empty cups
Tan δ can be measured within the range of 0.00001 to 0.5, with high measurement accuracy and the ability to accurately determine aging levels
High frequency induction heating oil cup, heating quickly and evenly
■ Directly measure the internal temperature of liquid insulation medium through probes built into the measuring electrodes
Electronic stepless voltage regulation
Strict security measures ensure the personal safety of operators throughout the entire measurement process
Characteristics of HGJD203 specialized oil cup
Three electrode oil cup made of high-purity nickel chromium alloy steel
Using quartz glass cups as the insulation layer for measuring electrodes
The oil cup is emptied through a magnetic valve, without the need to disassemble the container