Product Details

DYZLDZ-20 Handheld Transformer DC Resistance TesterSuitable for testing inductive samples such as transformers, mutual inductors, and reactors, as well as resistive samples such as copper bars, wires, and switch contacts. The instrument features fast testing speed and high accuracy.

DYZLDZ-20 Handheld Transformer DC Resistance TesterFunctional Features:

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  Powered by lithium battery or 220V AC with adaptive switching. A single charge allows continuous testing of hundreds of transformers for DC resistance, making the testing process simple and convenient.


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  Outputs six current levels, with a maximum output of 10A current and 25V voltage, and can automatically select the current for convenience and speed.


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  Wide measurement range and high accuracy: 500uΩ to 50KΩ.


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  Features resistance temperature conversion function, and an optional wireless temperature measurement module to measure the on-site sample temperature in real time, ensuring the accuracy of the resistance converted value.


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  Equipped with multiple protection functions such as back-EMF protection, disconnection protection, power-off protection, and overheat alarm.


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  5.6-inch ultra-large industrial-grade high-brightness color LCD screen, still clearly visible under strong sunlight.


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  Equipped with an external printer for convenient data printing.


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  Supports local storage and USB flash drive storage.


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