JYT-C Oil Dielectric Loss and Resistivity Tester
I. Overview
The JYT-C Oil Dielectric Loss and Resistivity Tester is a high-precision integrated testing instrument designed and manufactured in accordance with GB/T5654-2007 "Measurement of Relative Permittivity, Dielectric Dissipation Factor and DC Resistivity of Liquid Insulating Materials". It is mainly used for measuring the dielectric dissipation factor and DC resistivity of liquid insulating media such as insulating oil. The instrument integrates major components including a dielectric loss oil cup, temperature controller, temperature sensor, dielectric loss test bridge, AC test power supply, standard capacitor, high resistance meter, and DC high voltage source. The instrument applies advanced measurement and control technology to fully automatically complete the processes of heating, temperature control, high-speed data sampling, calculation, display, printing, and storage. The advanced measurement principle and highly digital technology make your work easier and more convenient.
The instrument adopts full digital technology internally, with all intelligent automatic measurement. It is equipped with a large color touch screen and a full Chinese menu. Every step has Chinese prompts, and test results can be printed out. Operators can use it proficiently without professional training.
II. Instrument Features
1. Highly automated; heating, dielectric loss measurement, and resistivity measurement can be completed in one operation.
2. The oil cup adopts a three-electrode structure conforming to the national standard GB/T5654-2007, with an electrode gap of 2mm, which can eliminate the influence of stray capacitance and leakage on dielectric loss test results.
3. The instrument uses medium-frequency induction heating and PID temperature control algorithm. This heating method has the advantages of non-contact between the oil cup and the heating element, uniform heating, fast speed, and convenient control, ensuring the temperature is strictly controlled within the preset temperature error range.
4. Advanced DSP and FFT technology are adopted to ensure stable, accurate, and reliable data.
5. The internal standard capacitor is an SF6 gas-filled three-point electrode capacitor. The dielectric loss and capacitance of this capacitor are not affected by ambient temperature, humidity, etc., ensuring the accuracy of the instrument remains guaranteed after long-term use.
6. Large color touch screen, Chinese operation menu, user-friendly interaction, simple and clear operation, and easy to understand at a glance.
7. It has safety reminders such as high voltage cutoff when the cover is opened, and short circuit of high and low voltage electrodes of the oil cup, eliminating safety hazards and ensuring the personal safety of operators and the normal operation of the equipment.
8. Built-in real-time clock; test date and time can be saved, displayed, and printed with test results. The device can display ambient temperature and monitor the test environment in real time.
9. Automatically stores measurement data; can store up to 100 sets of measurement data.
10. Empty electrode cup calibration function. Measures the capacitance and dielectric dissipation factor of the empty electrode cup to determine the cleaning and assembly condition of the empty electrode cup. The calibration data is automatically saved to facilitate accurate calculation of relative permittivity and DC resistivity.
11. The equipment has a high degree of automation and can automatically complete the cleaning of the oil cup.
