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Views: 216 Author: Site Editor Publish Time: 2024-03-05 Origin: Site
①Insulation resistance is an indicator to measure the insulation performance between the contacts of the electrical waterproof connector and between the contacts and the housing, and its magnitude is in the order of hundreds of megohms to thousands of megohms. The specific function of the insulation resistance is an important indicator to measure the insulation performance between each contact piece of the waterproof plug and between the contact piece and the shell. Its value must be within the scope of the industry regulations, otherwise it will cause the waterproof plug to not function properly or not be used perfectly .
②The electric strength, or voltage resistance, dielectric pressure resistance, is the ability to withstand the rated test voltage between the contacts of the waterproof connector or between the contacts and the housing.
③ Contact resistance High-quality electric waterproof connectors should have low and stable contact resistance. The contact resistance of waterproof connectors varies from a few milliohms to tens of milliohms. The contact resistance application of a high-quality and durable waterproof plug is low and stable enough. The contact resistance range of the waterproof plug fluctuates greatly, and can range from a few milliohms to tens of milliohms. The available parameters depend on the actual performance and characteristics of the waterproof plug.
The electrical strength test of the waterproof connector should be conducted at room temperature. The voltage between the wire and the insulator AC1500V/50 Hz will fail or flash after one minute. During the test, you must check whether the over-leakage current is less than 2mA, less than This value is a qualified product. The insulation resistance test method is basically the same as the resistance test method, but the test voltage is changed to DC500V for testing.
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