The LD-ZZ DC power supply comprehensive characteristic tester is a mobile, high-performance DC power supply testing equipment designed for power system substations (stations). Conduct comprehensive and accurate detection and testing of the charging machine and battery pack in the DC power supply system. Integrating multiple testing functions such as voltage stability accuracy, current stability accuracy, ripple factor, charger efficiency, and battery capacity, it is an important tool for ensuring the safe and stable operation of DC power systems.
| Working power supply | AC 220V ± 10% frequency 50Hz |
| Power consumption | The whole machine shall not exceed 50W |
| Environmental temperature | -10 ℃ -+55 ℃ |
| Rated power of three-phase voltage regulation device | 15KVA, rated current: 20A |
| Rated discharge current | ≤ 50A |
| Measurement accuracy | ≤ 0.5% |
| Applicable voltage level | 220V |
| Data recording | Memory greater than 256M |
| Interface mode | USB and RS232 |
| Working hours | continuous and uninterrupted |
| Dynamic response | 90 us |
| Insulation strength | ≥ 2000 VAC |
| Insulation resistance | ≥ 20 M Ω |
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
Fully automatic testing: Using a menu style operating interface, users only need to set test parameters, and the instrument can automatically complete the testing process and display test results in real time, greatly improving testing efficiency and accuracy.
Wide applicability: Supports testing of chargers and battery packs with various DC voltage levels such as 48V, 110V, 220V, etc., to meet the testing needs of different power systems.
High precision measurement: Using high-speed and high-precision AD acquisition technology, the testing accuracy reaches five and a half digits, ensuring the accuracy and reliability of the measurement results.
Multi functional integration: integrating multiple functions such as voltage stability accuracy testing, current stability accuracy testing, ripple factor testing, discharge testing, current and voltage limiting testing, efficiency testing, and current imbalance testing, comprehensively covering various technical indicators testing of DC power supply systems.
Modular design: The device adopts a modular combination structure, with small volume and light weight, which is convenient for vehicle transportation and mobile detection in various substations, improving the flexibility and convenience of the equipment.
Powerful data management: Built in large capacity storage, capable of storing multiple test data, and supporting data export and printing functions, facilitating users' subsequent data analysis and report preparation.
Improve protection functions: equipped with reverse connection protection, short circuit protection, temperature protection, and fan detection functions to ensure the safety and stability of the equipment during testing.
Intelligent operation: equipped with a 7-inch touch screen and communication interfaces such as RS232 and USB, supporting remote control and data upload, making it convenient for users to conduct remote monitoring and data analysis.
Efficient discharge system: Using a new type of high-power consumption device as the load, the load capacity is strong, the accuracy is high, and the current remains stable during the discharge process, effectively avoiding the influence of current fluctuations on the test results.
Bluetooth printing function: Equipped with a dedicated wireless printer that supports Bluetooth connection, data can be directly printed and output, making it convenient for users to record and view test results on site.
