LDZRC-320D DC Resistance Tester is a professional and efficient power testing equipment designed specifically for measuring the DC resistance of large power transformers. This tester integrates three-phase testing (Yn, Y, △) and demagnetization functions, and has the characteristics of high output current, wide testing range, high accuracy, and fast testing. Adopting true color high-resolution industrial display screen, full touch operation, user-friendly and intuitive interface, and easy operation. LDZRC-320D can not only accurately measure the DC resistance of transformers, but also automatically calculate the rate of change of resistance values to assist users in determining the stability of test data. At the same time, the tester is equipped with a thermal printer and USB interface, making it convenient for users to record and store data.
| Output Current | Single Phase: 20A, 10A, 5A, 1A, 0.1A |
| Three Phase: 10A+10A, 5A+5A, 1A+1A, 0.1A+0.1A | |
| Measurement Range | Single Phase: Gear 20A - 0.5mΩ～ 1 Ω; Gear 10A - 1.0mΩ～ 2 Ω; Gear 5 A - 10 mΩ～ 4 Ω; Gear 1 A - 0.1Ω～ 20Ω; Gear 0.1A - 2.0Ω～ 200Ω |
| Three Phase: Gear 10A + 10A - 0.5mΩ ～ 0.8 Ω; Gear 5 A + 5 A - 10 mΩ ～ 1.6 Ω; Gear 1 A + 1 A - 0.1 Ω ～ 8.0 Ω; Gear 0.1A+0.1A - 2.0 Ω ～ 80 Ω | |
| Accuracy | ±(Accuracy×0.2%+2) |
| Power Supply | AC220V±10%, 50/60Hz |
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
Multi functional integration: integrating three-phase testing and demagnetization functions to meet the DC resistance measurement needs of different types of transformers.
High output current: The maximum output current of the test power supply can reach 20A, meeting the testing needs of the vast majority of transformers.
Wide testing range: The measurement range covers 0.5m Ω to 200 Ω, suitable for testing transformers of different specifications.
High precision measurement: using advanced testing technology and high-precision sensors, the measurement accuracy is as high as ± (reading x 0.2%+2 words).
Automatic calculation of change rate: During the testing process, the resistance value change rate within 5 seconds, 15 seconds, and 30 seconds can be automatically calculated to help users quickly determine the stability of the test data.
Multiple protection functions: equipped with back electromotive force protection, wire breakage protection, and power-off protection, ensuring the safety and reliability of the testing process.
Convenient operating experience: adopting true color high-resolution industrial display screen, full touch operation, simple and clear interface, easy and fast operation.
Data Storage and Printing: Equipped with a thermal printer and USB interface, it supports instant printing and massive storage of test data, making it convenient for users to manage and analyze data.
Wide applicability: Suitable for measuring DC resistance of Yn, Y, and △ winding transformers, meeting the needs of preventive testing in the power sector.
