{"id":3234,"date":"2021-02-23T15:00:00","date_gmt":"2021-02-23T06:00:00","guid":{"rendered":"https:\/\/www.naccorporation.com\/en\/learning-center\/video-contents\/3234"},"modified":"2022-10-31T14:28:42","modified_gmt":"2022-10-31T05:28:42","slug":"how-to-measure-a-cable-harness-with-hi-pot-cable-harness-testers-dielectric-withstand-testing-insulation-resistance-testing","status":"publish","type":"video-contents","link":"https:\/\/www.naccorporation.com\/en\/learning-center\/video-contents\/3234","title":{"rendered":"How to measure a Cable Harness with Hi-Pot Cable Harness Testers | Dielectric Withstand Testing \/ Insulation Resistance Testing"},"content":{"rendered":"\r\n
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Text and Images for Operation of Hi-Pot Cable Harness Testers <\/h2>\r\n\r\n
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Test Spec<\/h3>\r\n

\r\nThis is a harness tester NMG+.<\/br>\r\nThe operation of NMK is the same as that of NMG+.<\/br>\r\nPlease turn on it. MENU is displayed.<\/br>\r\n\r\nLet's set the test spec.<\/br>\r\nPlease select No.3 function to set the test spec.<\/br>\r\nYou can set the test specs for creating test data.<\/br>\r\nYou can finish the settings after you select all specs with the set button.<\/br>\r\nIf you quit it in the middle with the escape button, it will not be reflected.<\/br>\r\n\r\n

\r\n\"Hi-Pot\r\n<\/div>\r\n\r\n<\/p>\r\n\r\n<\/div>\r\n
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Test Connectors<\/h3>\r\n

NMG+ and NMK have different tester connectors.<\/br>\r\nNMK has a 32-pin connector to accommodate 1000V voltage testing.<\/p>\r\n<\/div>\r\n\r\n

\r\n\"Hi-Pot\r\n<\/div>\r\n\r\n
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Sampling<\/h3>\r\n

\r\nLet's create test data.<\/br>\r\nThe operation is common to these models.<\/br>\r\nPlease select No.2, Sampling.<\/br>\r\nSampling is the function to read the wiring of the test target and create test data by combining it with the test spec you set.<\/br>\r\n\r\nPlease connect test target to the tester and press set button to read the wiring.<\/br>\r\n

\r\n\"Hi-Pot\r\n<\/div>\r\n\r\n\r\nReading is completed.<\/br>\r\nYou can check wires by turning the dial.<\/br>\r\nAfter your confirmation, move on by pressing set button.<\/br>\r\nSelect the data number and name the new data.<\/br>\r\nYou can complete it by selecting \u201cend\u201d.<\/br>\r\n<\/p>\r\n\r\n\r\n\r\n
\r\n\"Hi-Pot\r\n<\/div>\r\n\r\n
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Test<\/h3>\r\n

\r\nLet\u2019s test with the new data.<\/br>\r\nPlease choose the No.1 Test, on the menu.<\/br>\r\nYou can see the data memorized in the device.<\/br>\r\nStart the test to press the set button.<\/br>\r\nIf the test passes, it shows OK.<\/br>\r\n<\/div>\r\n

\r\n\"Hi-Pot\r\n<\/br>*During Dielectric Withstand Testing\r\n<\/div>\r\n\r\n\r\n\r\n\r\n\r\n
\r\n\"Hi-Pot\r\n<\/br>*During Insulation Resistance Testing\r\n<\/div>\r\n\r\n
\r\nAfter the test fails, it shows NG.<\/br>\r\nThen you can check the detail by turning the dial.<\/br>\r\n\r\n\r\nIn the NG result, <\/br>\r\nSlash mark \/ means open. hyphen mark - means short.<\/br>\r\n\r\nIn the resistance test NG, the resistance values are displayed.<\/br>\r\nIn the withstand voltage test NG, the leakage current values are displayed.<\/br>\r\nIn the insulation resistance test NG, the resistance values are displayed.<\/br>\r\n<\/div>\r\n\r\n\r\n
\r\n\"Hi-Pot\r\n<\/br>*NG in Wiring Testing by OPEN\r\n<\/div>\r\n\r\n
\r\n\"Hi-Pot\r\n<\/br>*NG in Wiring Testing by SHORT\r\n<\/div>\r\n\r\n
\r\n\"Hi-Pot\r\n<\/br>*NG in Resistance Testing\r\n<\/div>\r\n\r\n
\r\n\"Hi-Pot\r\n<\/br>*NG in Dielectric Withstand Testing by Leakage Current\r\n<\/div>\r\n
\r\n\"Hi-Pot\r\n<\/br>*NG in Insulation Resistance Testing by Insulation Value\r\n<\/div>\r\n\r\n

Test:Start Mode<\/h3>\r\nWhile the machine showing test start, you can change the start mode by turning the dial clockwise.<\/br>\r\nYou can choose Manual, OK wait, After 1 to 10 seconds start.<\/br>\r\nIn particular, OK wait is useful function to conduct the same test consecutively.<\/br>\r\nAfter the test starts by set button and finished with OK,You can start the test by only connecting the new cable.<\/br>\r\nThis function helps you test data quickly.<\/br>\r\n\r\n
\r\n\"Hi-Pot\r\n<\/div>\r\n\r\n
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Test:Spec Change<\/h3>\r\n\r\nAfter creating test data, you may need to modify the data.<\/br>\r\nThen please select the data from \u201dtest\u201d.<\/br>\r\nPlease turn the dial counterclockwise while the tester showing the test start.<\/br>\r\nYou can open Spec change mode.<\/br>\r\nPlease set the spec again.<\/br>\r\nYou can finish the settings after you select all specs with the set button.<\/br>\r\n\r\n<\/div>\r\n\r\n
\r\n\"Hi-Pot\r\n<\/div>\r\n\r\n\r\n\r\n\r\n\r\n\r\n<\/div>\r\n\r\n

Test:Moment Disconnection Testing<\/h3>\r\nIf you conduct the Moment Disconnection Testing,<\/br>\r\nYou need to add the impacts by hitting or pulling.<\/br>\r\n\r\nAs an example, let's test in the mode monitoring the disconnection until the set button is pressed.<\/br>\r\nAfter applying the specified impact, press the set button.<\/br>\r\n\r\nIf no disconnection occurs, OK is displayed.<\/br>\r\nIf a disconnection is detected, NG is displayed.<\/br>\r\n\r\n<\/p><\/br>\r\n\r\n
\r\n\"Hi-Pot\r\n<\/div>\r\n\r\n\r\n\r\n
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Search<\/h3>\r\n

<\/p>\r\nSearch is the function to check or test the connection by touching with the probe.<\/br>\r\n\r\nSCAN is for just checking the pin you touch with the probe.<\/br>\r\nTEST is for the test with search test data.<\/br>\r\n\r\nLet's check SCAN.<\/br>\r\nThere are two modes, HOLD and UNHOLD.<\/br>\r\nYou can choose whether or not to keep the last pin touched on the display.<\/br>\r\nIt's useful for checking the continuity of jigs and so on.<\/br>\r\n\r\n\r\n

\r\n\"Hi-Pot\r\n<\/div>\r\n\r\nLet's create search test data.<\/br>\r\nPlease click register. (REG.)<\/br>\r\n\r\n\r\nTouch the pins for reading the wiring.<\/br>\r\nCheck the pins and click register to save data.<\/br>\r\n\r\n\r\n\r\nThe name should be percent or ampersand for the first letter.<\/br>\r\nPercent \"%\" is set for order search.\r\nYou must touch the registered pins in the order to progress the test.<\/br>\r\n\r\nAmpersand \"&\" is set for random search.\r\nYou can touch the registered pins at random order and progress the test.<\/br>\r\n\r\n\r\nLet's open the test data.<\/br>\r\nStart the test.<\/br>\r\nWhen you touch all pins registered, the test is passed.<\/br>\r\nYou can't find the pins, please press ESC button to stop the Test.<\/br>\r\n\r\n<\/br>\r\n<\/div>\r\n\"Hi-Pot\r\n\r\n\r\n
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Function<\/h3>\r\n

Let's check the function.<\/br>\r\nYou can set Start mode at Function 2.<\/br>\r\n\r\nYou can set Printer setting at Function 3.<\/br>\r\nYou can set the OK-sound and NG-sound at Function 4<\/br>\r\nIt makes it easier to distinguish when two or more inspectors are working next to each other.<\/br>\r\nYou can select the language at Function 5<\/br>\r\nYou can set the date at function 6<\/br>\r\n\r\n\r\nYou can select the terminal display mode at function 7.<\/br>\r\nYou can set the output for the impactor at function 8.<\/br>\r\nPlease contact us about PLC operation.This is available by customization.<\/p><\/br>\r\n\r\n\"Hi-Pot\r\n\r\n<\/div>\r\n

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Self-Check<\/h3>\r\n

Self check is the function to check the tester itself.<\/br>\r\nPlease conduct test for the daily check.<\/br>\r\nRemove the all test cables from the tester connectors before click TEST.<\/br>\r\n\r\nIt shows \"pass\".The tester is normal.<\/br>\r\nIf NG occurs, please check your environments.<\/br>\r\nPlease contact us in case of tester failure.<\/p><\/br>\r\n\r\n\"Hi-Pot\r\n\r\n<\/div>\r\n

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