LDBBZ-1100T Voltage Ratio Tester is a high-performance and multifunctional power testing equipment designed specifically for ratio testing in power transformer production, user handover, and maintenance testing. This tester adopts advanced digital synthesis technology and high fidelity power amplifier, which can accurately and quickly measure key parameters such as transformation ratio, phase angle, polarity, group, and error of various types of transformers. LDBBZ-1100T has true three-phase testing capability and can automatically switch and test multiple wiring modes such as Y/△ and △/Y without external short circuiting. At the same time, it is equipped with a large capacity lithium-ion rechargeable battery, which allows for testing without the need for an external power source, greatly improving the convenience and flexibility of testing.
| TTR measurement range | 0.9~10000 |
| High measurement speed | three-phase test can be completed within 40 seconds |
| Measurement accuracy | |
| Voltage measurement accuracy on HV side | 0.05% |
| Voltage measurement accuracy on LV side | 0.1% |
| Phase angle measurement accuracy | 0.1° |
| TTR measurement accuracy | 0.1%（0.9－200）; 0.2%（200－2000）; 0.3%（2000－10000） |
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 high-precision digital synthesis technology and high fidelity power amplifiers to ensure the accuracy and stability of measurement results, meeting the high-precision requirements of the power industry for transformer ratio testing.
Three phase testing function: With true three-phase testing capability, automatic testing of single-phase and three-phase windings can be achieved without external short circuiting, greatly improving testing efficiency and accuracy.
Blind testing function: It can accurately measure the transformation ratio and group number of transformers with unknown parameters without selecting the wiring method and wiring group, and is suitable for various on-site testing environments.
Comprehensive testing parameters: capable of measuring various parameters such as transformer transformation ratio, phase angle, polarity, group, error, etc., providing comprehensive testing data and result analysis.
Convenient operation interface: adopting a large screen true color LCD display and a fully Chinese graphical operation interface, the operation is simple and intuitive, supporting multiple testing modes and parameter settings.
Built in large capacity battery: Equipped with a large capacity lithium-ion rechargeable battery, it can be tested without the need for an external power source, suitable for field operations and on-site testing.
Powerful data storage function: equipped with a large capacity of data storage that does not lose data in case of power failure, supporting USB data transfer and report generation, making it convenient for users to manage and analyze data.
Comprehensive protection function: equipped with comprehensive protection functions such as overcurrent protection, short circuit protection, etc., to ensure the safety and reliability of the testing process.
Wide range of application scenarios: Suitable for testing the transformation ratio of various large, medium, and small transformers, including Z-type transformers, rectifier transformers, electric furnace transformers, and other special types of transformers.
