UHV-4000 Transformer On-Load Tap-Changer Tester
Product Introduction:
The UHV-4000 Transformer On-Load Tap-Changer Tester is designed to measure key parameters of on-load tap-changers, including transition waveforms, transition time, instantaneous transition resistance values, and three-phase synchronization.
Featuring a vertical chassis structure, the tester is lightweight and highly portable. It is equipped with a 5.7-inch LCD screen with backlight and wide-temperature capability, ensuring clear visibility even in direct sunlight. Internally, it integrates an embedded PC-104 industrial control computer, offering high-speed operation and ample storage capacity for efficient testing and data management.
Technical parameters:
| output current | ≥1A，3 channel |
| data sampling | sampling channel：6 channel |
| sampling frequency：10kHz/s | |
| Measuring range | transition resistance：0.5Ω～20Ω |
| transition time：≤250ms | |
| resolution | resistance：0.01Ω |
| time：0.1ms | |
| measurement precision | transition resistance：±(5%+3 digital) |
| transition time：±(0.1%+1 digital) | |
| Storage model | U disk storage、machine storage 1G |
| Dimensions | 350mm×230mm×200mm |
| host weight | 5kg |
Conditions of Use:
| Environment temperature | -10℃～50℃ |
| environment humidity | ≤85%RH |
| Working power supply | AC220V±10% |
| power supply frequency | 50±1Hz |
Product Parameters:
1、Features a vertical chassis design, offering a lightweight structure for easy portability.
2、Equipped with an embedded PC-104 industrial control computer, delivering fast processing speed and ample storage capacity.
3、Includes a built-in precision constant current source and a comprehensive, reliable protection circuit.
4、Supports 6-channel high-speed data sampling.
5、Uses a 5.7-inch LCD screen with backlight and wide-temperature adaptability, ensuring clear visibility even in direct sunlight.
6、Displays results in both graphical and textual formats.
7、Integrated T9 input method for convenient entry of letters, Chinese characters, and symbols.
8、Offers 1 GB of built-in storage, capable of storing tens of thousands of sets of test data.
9、Supports USB flash drive storage function, enabling extended data capacity.
10、Includes USB data synchronization for convenient data transfer and exchange.
11、Employs a tree-structured storage system organized by station name, number, and tap position, facilitating easy data retrieval.
12、Built-in panel thermal printer for immediate data output.
