The LDXC-4318 Different frequency line parameter tester is a high-precision testing instrument designed specifically for on-site testing of various high-voltage transmission lines (including overhead lines, cable lines, and mixed overhead cable lines) for power frequency parameters. This instrument adopts an integrated structure with a built-in variable frequency power supply module. It outputs power through variable frequency voltage regulation, effectively avoiding power frequency electric field interference and achieving high-precision and high stability parameter measurement.
| Utilization Conditions | -10℃～40℃ | RH＜80% |
| Anti-interference Principle | Frequency variation method | |
| Power Supply | AC 220V±10% | Generator≧3KW |
| Power Output | Max.output voltage | U：AC200V；I：8A；Accuracy：0.5% |
| Output frequency | 50Hz、60Hz 47.5Hz\52.5Hz 45.0Hz\55.0Hz 57.5Hz\62.5Hz 55.0Hz\65.0Hz | |
| Power (three-phase) | 5KVA | |
| Measurement Range | Capacitance | 0.01～30µF |
| Impedance | 0.01～400Ω | |
| Impedance angle | -180°～+180° | |
| Induction voltage | 0-10kV | |
| Induction current | 0-30A | |
| Measurement Resolution | Capacitance | 0.001µF |
| Impedance | 0.001Ω | |
| Impedance angle | 0.001° | |
| Measurement Accuracy | If Capacitance：≥1µF，±1%Reading ±0.01µF； ＜1µF，±2%Reading ±0.01µF； | |
| If resistance ：≥1Ω，±1%Reading ±0.01Ω； ＜1Ω，±2%Reading ±0.01Ω； | ||
| Impedance angle：±0.2°(voltage＞1.0V）； ±0.3°(voltage:0.2V～1.0V)； | ||
| Interference Current | Ia+Ib+Ic<30A Accuracy：2% | |
| Resistance to Induced Voltage | Ua<10kV；Ub<10kV ；Uc<10kV；Accuracy：2% | |
1. The appearance of the product is subject to the actual product. Technical parameters and models are subject to change without prior notice. 2. To learn more about Longdian products, please enter the product center. Service Hotline: 400-6727-238
High precision measurement: LDXC-4318 adopts frequency conversion technology and digital filtering technology to effectively eliminate on-site power frequency interference signals, ensuring the accuracy of measurement results. Its measurement accuracy is as high as ± 1% reading, meeting the strict requirements of the power industry for high-precision measurement.
Integrated design: The instrument adopts an integrated structure, which is small in size, light in weight, and easy to carry and operate on site. All measurement functions are integrated into the host box, eliminating the need for external complex equipment and simplifying the testing process.
Multifunctionality: Supports the measurement of various parameters such as positive sequence impedance, zero sequence impedance, positive sequence capacitance, zero sequence capacitance, line mutual inductance, and coupling capacitance, meeting the comprehensive testing needs of different types of transmission lines.
Convenient operation: Equipped with a full touch ultra large LCD display, Chinese menu display, and clear and concise operation steps. The external wiring is simple, and all measurements can be completed with one connection, improving testing efficiency.
Massive data storage: Built in large capacity storage, can store 200 sets of test data, and supports USB data export, making it convenient for users to manage data and generate reports.
Strong anti-interference ability: The instrument adopts a unique anti induced voltage circuit inside, which can withstand up to 10KV induced voltage and 30A anti-interference current, ensuring stable operation in strong electric field environments.
Safe and reliable: The instrument design complies with national safety standards and has built-in grounding detection function to ensure safe operation. At the same time, equipped with an emergency stop button, it can quickly cut off the output power in case of emergencies, ensuring the safety of personnel and equipment.
