Introduction to wire and cable tracking tester and operating device for lighting equipment, low-voltage electrical appliances, household appliances, machine tools, electrical machinery, power tools, electronic instruments, electrical instruments, information technology equipment research, production and quality inspection departments, also applicable Simulation experiments in insulation materials, engineering plastics, electrical connectors, and accessories. On the surface of a solid insulating material, a conductive liquid is applied between a platinum electrode of a prescribed size and a certain voltage is applied at a predetermined height to determine the surface of the solid insulating material in combination with an electric field and a wet or contaminated medium. The leakage resistance is measured, and the electrical tracking index and the tracking resistance index are measured.
Introduction to wire and cable tracking tester and operation control method:
1) PLC control: The voltage value and current value can be arbitrarily set, and the voltage and current brakes are adjusted to the set value. The voltage and current module has high output precision, and the touch screen click parameters can be set.
2) Computer control: The computer controls the voltage and current, which can be adjusted automatically, as well as the corrected voltage and current values. The current value can be compensated for the voltage and current calibration.
3) Current curve: The electric trace test software can display the fluctuation value and curve of the current during the sample process, grab the current value of the test, and see the change of the electric resistance trace of the test sample under the test voltage during the test. Determine the degree of resistance to tracking of the sample.
4) Save the curve: After the test is finished, the current test results and curves can be saved in Exsel format, and can be viewed and printed at any time.
5) Open the curve: You can open the test report saved in the document, and the graph is also displayed.
6) Curve capture: In the test, you can click on the curve to grab, grab the current graph, and save it in image format.
Introduction and operation of wire and cable resistance tracking tester
fulfill the standard:
GB_T3048.7-2007 Test methods for electrical properties of wires and cables - Part 07:
product description:
Leakage trace: Under the specified test conditions, the conductive path formed by the surface of the solid insulating material under the combined action of the electric field and the electrolyte is called the leakage trace.
Electrical tracking: The process of forming traces of electrical leakage is electrical tracking.
The main test principle of wire and cable resistance tracking tester is to output a certain high voltage through the high voltage source. Under the combined action of high pressure and electrolyte, the sample determines whether the current at the grounding end of the sample exceeds 1A in several cycles, thus judging the solid insulation. The insulation properties of the material.
The wire and cable tracking tester produced by our company is the most advanced wire and cable resistance test equipment in China.
Test results and assessment:
Within the number of spray cycles specified in the product standard, the test shall be considered qualified if none of the following conditions are present:
01, surface burning
02. Forming a continuous arc between the high voltage electrode and the ground electrode
03. The surface leakage current exceeds the specified value of the product standard.
04. Breakdown of the sample due to the partially corroded surface of the insulation.
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