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| Categories | Transformer Tester |
|---|---|
| Brand Name: | XZH TEST |
| Model Number: | XHBB128B |
| Certification: | ISO |
| Place of Origin: | Xi'an, Shaanxi, China |
| MOQ: | 1 unit |
| Payment Terms: | T/T |
| Supply Ability: | 1000pieces/Year |
| Delivery Time: | 5-8 days |
| Packaging Details: | wooden case |
| Model NO.: | XHBB128B |
| LCD Display: | With LCD Display |
| Customized: | Customized |
| Transport Package: | Wooden Box Filled with Foam Inside |
| Trademark: | XHHB128B |
| Customization: | Available |
| After-sales Service: | Warranty Certificate |
| Warranty: | 12 Months |
| Company Info. |
| Xi'an Xu&Hui Electromechanical Technology Co., Ltd. |
| Verified Supplier |
| View Contact Details |
| Product List |
XHBB128B transformer turns ratio tester
Introduction
In the production process of semi-finished and finished power
transformers, before a newly installed transformer is put into
operation, the preventive test regulations of the Ministry of
Electric Power require testing the turns ratio or voltage ratio of
the operating transformer. This involves checking the transformer
turns ratio for correctness, the condition of the tap changer,
whether the transformer is short-circuited between turns, and
whether the transformer can be operated in parallel. Traditional
ratio bridges have non-intuitive readings and can only perform
conversions phase by phase. The XHBB128B transformer turns ratio
tester addresses these issues, providing easy and intuitive
operation. It features a three-phase precision inverter power
supply, ensuring fast testing and high accuracy.
Features
1. The instrument uses a three-phase precision inverter power
supply instead of a single-phase mains power supply as the
measurement voltage, which eliminates the harmonic influence of the
mains voltage during measurement and makes the measurement more
accurate. When the working power source is a generator, it has no
effect.
2. The self-made precision three-phase inverter power supply is
adopted, which has high and low voltage reverse connection
protection, transformer inter-turn short circuit protection, tap
switch not in place protection, output full short circuit
protection, and increases the stability of the instrument.
3. Using 7-inch high-definition color touch screen LCD, modular
display, each operation step has Chinese prompts, no need for
manuals, just look at the LCD prompts to complete the instrument
operation.
4. The instrument has both print output, U disk interface, and
RS232 interface, which is convenient for paperless office.
5. It adopts multi-functional engineering plastic box that is
resistant to cold and temperature, is sealed and waterproof, and is
anti-drop and shock-proof, which is convenient for field
experiments.
Technical indicators
| Test range | 0.9~10000 |
| Measurement accuracy | ±0.1%+2 digits (0.9-500) ±0.2%+2 digits (501-2000) ±0.5%+2 words (2001-10000) |
| Resolution | 0.0001 minimum |
| Output voltage | automatically adjust according to load |
| Power supply | AC220V±10% 50±1Hz |
| Ambient temperature | -10ºC~40ºC |
| Relative humidity | ≤85%, no condensation |
| Dimensions | host: 360*290*170(mm) wire box: 360*290*170(mm) |
| Weight | host 5.9KG wire box: 5.65KG |
Packing list
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