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  • UHV-5A Transformer DC Winding Resistance Tester

    The existing technology for compensation based on the current source line is used.It includes overvoltage protection to prevent electrical potential impacts.A "four-wire" measurement method is employed to eliminate measurement errors caused by line resistance in the contact pickup.

    Product Details of UHV-5A Transformer DC Winding Resistance Tester


    Product Introduction

    This instrument is compact, lightweight, offers a broad range, is easy to operate, provides a high output current, ensures excellent repeatability, and includes comprehensive protection features. It is ideal for high-precision testing of transformer winding resistance, as well as for testing the resistance of transformers and other inductive loads.


    teknik parametreler

    Tipintegrated portable
    Overall dimensionLength 260mm x width 160mm x height 80mm
    Enstrüman ağırlığı3 kg
    Dahili bataryaDC lithium-ion rechargeable battery for both AC and DC
    Charger inputAC220V (50±1) Hz output: DC29.4V
    Ortam sıcaklığı-10 ° C to 45 ° C
    Bağıl nem≤85% RH No condensation
    Rakım≤2000m
    Instrument powerThe maximum output power of this instrument is 100W (5A current level test opening voltage 20V)

    Range and accuracy

    itemdetailParametre
    Akım5AAutomatic、5A、1A、100mA、1mA
    GörüntülemekFour and a half
    Test range5A1μΩ~4Ω
    1 A20mΩ~20Ω
    100mA200mΩ~200Ω
    ≤1mA20Ω~100kΩ
    Kesinlik0.2% ±2 digits


    Ürün Özellikleri

    1. Display: 5.0-inch touch screen with true color LCD and a Chinese interface (English version available upon request).

    2. Storage: Capable of storing up to 1,000 test records.

    3. Test Mode: Equipped with a built-in large-capacity lithium battery for DC power, making it convenient for outdoor testing.

    4. Current Options: Five automatic current settings.

    5. High Precision: Accuracy of 0.2% ± 2 digits.

    6. Measurement Range: 1μΩ to 100kΩ with a resolution of 0.1μΩ.

    7. Printing: High-speed micro thermal printer for real-time printing of test results.

    8. File Data Management: When connected to a computer via USB, the instrument acts as a USB drive, allowing users to directly copy test record files.

    9. Parameter Settings: More comprehensive parameter configuration, including the number, material, test winding phase, winding temperature, and converted temperature value.

    10. Automatic Shutdown: The instrument will automatically turn off if there is no operation for 3 minutes.

    11. Power Display: Battery level is displayed in the top-right corner of the screen upon power-up.

    12. Low Battery Warning: When the battery is low, the instrument will notify the user and shut down automatically to protect the battery for long-term use.









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