Resistance tester


Resistance tester is an instrument to measure the conductivity of objects. It is widely used in electrical safety inspection and completion inspection of grounding engineering. There are many kinds of resistance tester, including grounding resistance tester, insulation resistance tester, DC resistance tester, surface resistance tester and loop resistance tester.


Resistance tester is an indispensable tool for electrical safety inspection and completion acceptance of grounding project. It includes the grounding resistance tester, insulation resistance tester, DC resistance tester, surface resistance tester and loop resistance tester. The loop resistance tester (transformer circuit resistance tester) is suitable for testing the contact resistance of main contact of high and low voltage switch, DC resistance of high and low voltage cable line, etc. The intelligent circuit resistance tester adopts 100A constant current output. The highest output voltage is 10V (2-3 times of conventional instruments) and the fine test line can be used, which greatly reduces the labor intensity of field testers. The test process is automatically implemented by single chip control, with high precision, good retest, single button operation, simple and easy operation, and LCD display of test data. It is suitable for different working environment. The earth resistance tester is a common instrument to test and measure the grounding resistance. In recent years, due to the rapid development of computer technology, the grounding resistance tester has also penetrated a large number of microprocessor technology, its measurement function, content and accuracy are not comparable to the general instruments.


DC resistance tester is a new generation of transformer DC resistance testing instrument, it can automatically select the test current according to different types of power transformer, and display the test results at the fastest speed. The DC resistance tester has the functions of storage, printing and discharge indication. It can not be powered down in memory, and can save the measurement data for a long time. The use of LCD makes the instrument have a good human-computer interface, which is the first choice in DC resistance test.


It is used to test the conductivity of conductor, DC resistance of transformer, motor, transformer and other equipment, grounding resistance and impedance of equipment.


use


To measure the surface impedance, place the meter on the surface under test, press and hold the red measurement button, and the continuously illuminated LED indicates the measured surface impedance magnitude.


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