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TKZZ-5A DC resistance tester, also known as digital DC resistance tester, transformer 5A DC resistance tester and 5A transformer DC resistance tester, Wuhan Guodian Mingke Electric Co., Ltd.
It is a 5A DC resistance tester manufacturer. The 5A DC resistance tester is suitable for the measurement and analysis of the inductive and low resistance resistance of various power transformers and transformer windings. The transformer DC resistance tester
Equipped with automatic discharge function to avoid arcing.
TKZZ-5A DC resistance tester is an indispensable detection tester in power test requirements. It is a high-precision replacement product that replaces DC single and double-arm bridges. The 5A DC resistance tester uses internally
It adopts precise constant current power processing technology, 5A DC resistance tester, four and a half LCD liquid crystal display measurement results, three and a half LCD liquid crystal display current ambient temperature or output current value, strong light
The radio can still be read clearly, and it has an automatic discharge function to avoid arcing. The TKZZ-5A DC resistance tester has fast test speed, high accuracy, strong anti-interference ability, and physical
It has the advantages of small product and not affected by human factors. The output current can be adjusted quickly and manually in four gears. The measurement range is 1μΩ-2kΩ, and the error is not more than 0.2%. TKZZ-5A DC resistance tester is used to measure power changes.
It is an ideal tester for various inductive load resistances such as voltage devices and contact resistance of low-voltage switches, wire and cable or welding seam interface resistance. Its measuring speed is more than one hundred times faster than that of electric bridges.
Measuring the DC resistance of transformer windings is a very important test item. In the "Electrical Equipment Test Regulations", its order ranks second in the transformer test items, and the "Regulations" stipulate in
For transformer handover, overhaul, minor repair, change of tap position, fault check and pre-test, etc., the DC resistance of transformer windings must be measured, the purpose of which is
①Check the welding quality of the wires and leads inside the winding;
②Check whether the contact of each position of the tap changer is good;
③Check whether the winding or lead wire is broken;
④Check the correctness of the parallel branch circuit, whether there is one or more disconnections in the winding formed by several parallel wires;
⑤Check whether there is a short circuit between layers and turns.
The TKZZ-5A transformer DC resistance tester is suitable for the measurement and analysis of inductive low-resistance resistances such as various power transformers and transformer windings.
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