Introducing the XHBB128B, a marvel in transformer testing technology! This sophisticated device meticulously assesses the turns ratio or voltage ratio of operational transformers, ensuring optimal performance by verifying the correctness of transformer turns ratios, evaluating tap changer conditions, and identifying inter-turn short circuits. It even determines the compatibility for parallel operation. With its user-friendly, intuitive interface, powered by a three-phase precision inverter, this tester guarantees rapid and highly accurate results, making transformer testing a breeze.

Features:
1. Tailored for an extensive array of transformers, especially adept at measuring Z-type, rectifier, grounding, electric furnace, phase-shifting, and balanced transformers. It provides the most exhaustive measurement parameters, ensuring precision and reliability.
2. Effortlessly conducts automatic measurements of transformer ratios, pinpoints error values, and identifies tap positions on tap changers, streamlining the testing process.
3. Experience the cutting-edge 7-inch high-definition color touch screen LCD with modular display, offering vibrant clarity and ease of use.
4. The instrument is outfitted with both printout capability and a USB interface, plus an optional RS232 interface, promoting seamless paperless operations.
5. Encased in a robust, multi-functional engineering plastic box, it's built to withstand cold and heat, is fully sealed, waterproof, and is resistant to falls and shocks, making it ideal for on-site testing in any environment.
Technical Parameters
| Test range |
0.9~10000 |
| Measurement accuracy |
±0.1%+2 words (0.9-500) |
| ±0.2%+2 words (501-2000) |
| ±0.5%+2 words (2001-10000) |
| Resolution |
minimum 0.0001 |
| Output voltage |
automatically adjusted according to load |
| Working power supply |
AC220V±10% 50±1Hz |
| Ambient temperature |
-10ºC~40ºC |
| Relative humidity |
≤85%, no condensation |
| Overall dimensions |
host: 360*290*170(mm)
line box: 360*290*170(mm) |
| Weight |
host 5.9KG,
line box: 5.65KG |
Panel description
1. Display screen: Boasts a 7-inch high-definition color touch screen LCD with digitally adjustable backlight, presenting operation menus and test outcomes with unmatched clarity.
2. High-voltage end: Securely link the test wire's yellow, green, red, and black terminals to the transformer's high-voltage side phases A, B, C, and O, facilitating accurate assessments.
3. Low voltage terminal: Ensure precise connections with the low voltage side phases a, b, c, and o using the corresponding yellow, green, red, and black leads.
4. AC220V: Seamless connection to an AC220V industrial frequency power supply, powering the entire unit with reliability.
5. : Secure grounding provided by the protector grounding post, ensuring safety and stability during operations.
6. Communication: Features reliable serial communication for data transfer.
7. USB: Convenient U disk storage capability for effortless data handling and storage.
8. Printer: Finalize your testing with printed results, providing tangible documentation upon measurement completion.


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