Product Features
1. Supports AC withstand voltage testing with real-time voltage and current curve display.
2. Equipped with safe optical isolation technology for enhanced operation safety.
3. Fully automatic operation based on a microcontroller system, providing simple and convenient testing.
4. Uses high/low voltage closed-loop negative feedback control technology to ensure stable output without capacitive load rise effects.
5. Built-in thermal printer for quick test report printing.
6. Integrated protective resistors to improve system safety.
7. Features a 154 × 86mm color touch LCD screen with true sine wave voltage output.
8. Displays the actual output waveform in real time during testing.
9. Ergonomic design with menu-guided operation and an intuitive large color touchscreen interface.
10. Supports test data storage, review, and printing for easy record management.
11. Provides comprehensive protection against overvoltage and overcurrent conditions.
12. Automatic frequency adjustment with selectable outputs of 0.1Hz, 0.05Hz, 0.02Hz, and 0.01Hz.
13. Designed for continuous operation up to 60 minutes.
14. Voltage, current, and waveform data are directly sampled from the high-voltage side for accurate measurement.
15. Rugged and portable design with a durable protective case made from special mixed resin material imported from the USA.
16.Supports RS232 or USB communication interfaces (USB is the standard configuration).
17. Optional functions include DC withstand voltage testing and DC leakage current measurement.
FAQs
Q1: How does a VLF tester help with cable insulation condition checking?
A VLF tester applies low-frequency AC voltage to the cable insulation, helping engineers identify weak insulation areas and potential problems before equipment failure occurs.
Q2: Why do engineers choose portable VLF test equipment for field maintenance?
Portable VLF testers are easier to transport and operate on-site, making them suitable for cable testing in substations, power plants, and distribution networks.
Q3: Can the RDVLF-Z80Y test cables with different capacitance values?
Yes. The tester supports multiple output frequencies, allowing users to select suitable testing conditions according to different cable lengths and capacitance requirements.
Q4: How does real-time waveform monitoring improve testing reliability?
Real-time waveform display allows operators to check the actual output condition during testing and quickly identify abnormal voltage or current changes.
Q5: What makes the RDVLF-Z80Y easy for new operators to use?
The device uses an automatic control system with a touchscreen interface and guided menus, reducing operation difficulty and improving testing efficiency.
Q6: How are test results managed after measurement?
The tester can save test data internally, allowing users to review previous results and print reports when needed.
Q7: Can the RDVLF-Z80Y work continuously during long testing processes?
Yes. The equipment supports up to 60 minutes of continuous operation, meeting the requirements of most field withstand voltage tests.
Q8: Why is high-voltage side sampling important in VLF testing?
High-voltage side sampling directly collects voltage, current, and waveform data from the output side, improving measurement accuracy and reliability.
Q9: What protection functions are included in the RDVLF-Z80Y VLF tester?
The tester provides multiple safety protections, including overvoltage protection, overcurrent protection, and built-in protective resistance to improve operational safety.
Q10: What applications are suitable for an 80kV VLF AC test system?
The 80kV VLF AC test system is commonly used for preventive maintenance and insulation testing of medium voltage cables and electrical equipment.
