The LDJS-1200 Intelligent tgδ Meter is a high-precision power testing equipment designed specifically for power plants, substations, and other on-site applications. It is used for fully automatic measurement of the dielectric loss tangent (tg δ) and capacitance of various high-voltage power equipment. This tester adopts frequency conversion technology to ensure accurate measurement even under strong electric field interference, and is widely used for insulation performance testing of high-voltage electrical equipment, including insulation oil loss testing. Equipped with a built-in high-voltage boosting transformer and various protection functions, such as high-voltage short-circuit protection, CVT overvoltage protection, etc., to ensure the safety and reliability of the testing process. At the same time, it is easy to operate, using a Chinese menu for operation, and the microcomputer automatically completes the entire measurement process, greatly improving testing efficiency.
| High voltage output | 0.5 ～10kV，Increasing by 500V for each level, a total of 20 levels，capacity：1500VA |
| Accuracy | tgδ: ±(reading*1%+0.06%) Cx: ±(reading*0.5%+5PF) |
| Resolution | tgδ：0.001％ Cx：0.001pF |
| Measuring range | 0.001% ＜ tgδ ＜ 100% |
| Internal high pressure：3pF～60000pF/10kV 60pF～1µF/0.5kV | |
| External high pressure：3pF～1.5µF/10kV 60pF～30µF/0.5kV | |
| CVT ratio measurement | |
| Ratio Range | 10～99999 |
| Ratio Accuracy | ±reading×1% |
| Phase Range | 359.9° |
| Phase Accuracy | ±0.1° |
| Power supply | AC 220V±10％ 50±1Hz |
| Measuring method | single frequency：45Hz、50Hz、55Hz、60Hz、65Hz |
| different frequency：45/55Hz、55/65Hz、47.5/52.5Hz Automatic frequency conversion | |
| Harmonic adaptation | ≤3％ |
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: Using frequency conversion technology and digital real-time acquisition methods, the capacitance value and dielectric loss tangent value of the test sample are obtained through vector operation, with high measurement accuracy and good repeatability.
Multiple testing methods: Supports various testing methods such as forward connection, reverse connection, external high voltage testing, CVT self-excited measurement, etc., to meet different equipment and testing needs.
Strong anti-interference ability: Equipped with a high-voltage boosting transformer internally, and taking safety protection measures such as zero crossing closing and lightning protection to ensure accurate measurement even under external electric field interference.
Wide measurement range: Both internal and external high voltages have a wide measurement range, suitable for testing different specifications and types of samples.
Intelligent operation: Using Chinese menu operation, the interface is friendly and intuitive, the operation is simple and fast, and the microcomputer automatically completes the entire measurement process without manual intervention.
Multiple protection functions: It has multiple protection functions such as high voltage short circuit protection, CVT overvoltage protection, and instrument grounding protection, ensuring the safety and reliability of the testing process.
Efficient data processing: After the measurement is completed, the instrument can automatically calculate and display the capacitance value and dielectric loss tangent value of the test sample, and can also print the test report, making it convenient for users to manage and analyze data.
Portable design: The instrument is small in size, light in weight, easy to carry, suitable for on-site use, and is an ideal tool for insulation performance testing of high-voltage power equipment in power systems.
