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Insulation resistance tester use and precautions
Ensure that the test article is safely grounded and not energized. Ensure that the E terminal (ground terminal) of the meter is grounded. Ensure that the battery is fully charged, if the "Under Voltage" lamp is lit it will not be possible to test properly.
2023-09-13
Insulation tester use specification
I. Operating Procedures 1. Insert the positive and negative connectors correspondingly into the positive and negative ports behind the main unit, respectively (positive: detection handle end; negative: crocodile clip connection end).
Insulation monitor principle and common failure analysis
An insulation monitor is an instrument used to monitor the insulation status of electrical equipment, which judges the insulation status of electrical equipment by measuring insulation resistance. Its working principle is mainly based on the relationship between voltage and current, common insulation monitor using AC power supply, the test voltage applied to the electrical equipment under test, through the measurement of current to calculate the insulation resistance.
Global renewable power generation grew significantly in 2017
Xinhua News Agency, United Nations, June 4 (Reporter Wang Jianguang) international organization "21st Century Renewable Energy Policy Network" released on the 4th of a report shows that in 2017, 70% of the net increase in global power generation from renewable energy power generation, to become the contemporary renewable energy power generation faster growth in the year.
2021-09-08
What is the important role of insulation resistance tester in testing?
Insulation resistance tester, also called megohmmeter, is used to check the insulation resistance of electrical equipment, household appliances or electrical circuits to ground and phases to ensure that these equipment, electrical appliances and circuits are working in a normal state to avoid electric shock, casualties, and equipment damage. accident.
2021-02-23
How does the loop resistance tester perform the synchronization and timing control of the digital power supply?
The loop resistance tester is a special instrument for measuring the contact resistance and loop resistance of switch control equipment. The test current adopts 100A DC recommended by my country's standard GB763. It can be directly used in the case of 100A, 200A, 300A, 400A, 500A or 600A. Measure loop resistance or contact resistance.
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