UNI-T UT255E Wireless High Low Voltage Hook Ammeter – Professional Electrical Testing Tool with Wireless Transmission and High Precision

AUD $4,100.00 .( AUD $4,510.00 inc. GST )

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    Discover unparalleled precision with the UT255E Wireless High Low Voltage Hook Ammeter. This state-of-the-art tool is ideal for all your high and low voltage testing requirements, offering unmatched accuracy, versatility, and efficiency. With a remarkable range of 0-20000A AC current measurement and wireless transmission up to 150 meters, the UT255E ensures optimal performance. Its user-friendly features include a 3.5-inch true color LCD and a storage capacity of 9999 data sets. Designed for inspecting leakage currents of thick underground or outdoor cables, this lightweight and easy-to-hang device is a must-have addition to your toolkit. Upgrade today to revolutionize your electrical testing experience!

    PDF download  UT255E Data Sheet

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    Enhance your testing capabilities with the UT255E Wireless High Low Voltage Hook Ammeter. This advanced device features a hook detector, wireless receiver, and telescopic insulating rod, providing accurate readings at your fingertips.

    With the ability to measure AC current up to 20000A, the UT255E is perfect for high and low voltage applications, making it essential for professionals in the electrical industry. Its versatility allows for testing busbars and wire & cable dimensions in various scenarios.

    The standout feature of the UT255E is its wireless transmission capability, allowing tests to be conducted from a safe distance of up to 150 meters. Operating at a frequency of 45Hz~75Hz, it ensures reliable and consistent results.

    Not only does the UT255E offer exceptional performance, but it also provides convenience. The 3.5-inch true color LCD displays testing data clearly, and the device has a storage capacity of 9999 sets for easy test tracking.

    The UT255E is designed for ease of use, with a built-in double-layer flexible coil in the hook detector, providing high precision and effortless testing. Its lightweight design and easy-to-hang feature make it suitable for detecting transformer load and inspecting leakage current of multi-core thick cables underground or outdoors.

    Upgrade your testing toolkit with the UT255E Wireless High Low Voltage Hook Ammeter and enjoy superior performance, convenience, and versatility. Order yours today!

    Weight 3 kg


    Technical Specifications
    AC current
    (Auto range)
    0~99.9A;10mA ;±2%±5dgt
    100A~6000A; 10mA; ±3%±5dgt
    6.00kA~20.0kA; 10mA; ±4%±5dgt
    Frequency 45Hz~75Hz; 0.1Hz; ±1Hz  (50/60Hz, auto)
    Accuracy guaranteed
    temperature and humidity
    23℃±5℃, below 80%RH
    Function 1, High/low voltage leakage current, Current and frequency test;
    2, Grounding current test of the iron core, transformer load;
    3, Leakage current test of multicore cable.
    Testing method Hang the hook-type CT onto the line for testing
    Transmission mode 433MHz wireless transmission
    Phase detecting distance About 150m (Straight-line distance)
    On-line voltage Bare conductor: <35kV
    Sheath-insulated cable: <110kV
    Large diameter hook Measurable wire & cable.: Max. Ф168mm
    Measurable busbar: Ф168mmx245mm
    Sample rate 2 times/sec
    Screen 3.5 inch true color LCD;
    Backlight brightness adjustable
    Position error Area A:  No position error;
    Area B:  Increase by about 0.2%;
    Area C:  Increase by about 2%
    Data 9999 set of data can be stored.
    Press HOLD button to hold/disable data
    Overrange indication “OL A” is displayed
    No signal indication The symbol  “—-” is displayed dynamically
    Power Lithium battery (with USB charging port)
    When low voltage, the low voltage symbol is displayed
    About 10 hours working time;
    Auto power off if no operation in 15 minutes.
    Weight Hook detector: 496g (including battery)
    Receiver: 395g (including battery)
    Insulation rod: 1.45kg
    Total weight: 11.5kg (including ammeter box)
    Dimension Hook detector:  310 × 270 × 52mm (L*W*H)
    Receiver: 250 × 100 × 40mm (L*W*H)
    Insulation rod size Stretched length: about 5m
    Retracted length: about 1m
    Operating temperature
    and humidity
     -10℃~40℃;below 80%Rh
    Storage temperature
    and humidity
     -10℃~60℃;below 70%Rh
    Signal Interference No 433MHz co-channel signal interference
    Insulation strength Insulation rod: AC 110kV/rms
    Detector: 2000V/rms
    Receiver: 2000V/rms
    Structural design Anti-drip type II


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