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A New Method for Determining the Beam Breakpoint

Posted On:2018-04-03 13:47:18

Related Key Words Recommendation: Automobile Wire Bundle _ Automobile Wire Bundle Factory
In addition to measuring the basic parameters such as voltage, current, resistance, capacitance, and transistor, the digital multimeter can also be used to further expand its function and achieve the purpose of multiple use of a table. The method of judging the Breakpoint of wire beam(wire and cable) with digital multimeter is presented.
When there is a fault in the interior of the wire beam, the exact position of the break line is not easy to be determined due to the wrapping of the external insulating skin. Digital multimeters can easily solve this problem. Specific methods:
1) Connect one end of the wire beam(wire cable) with a Breakpoint to the wire of 220V and the other end is suspended.
2) Pull the digital multimeter to the AC2V block, starting from the wire access end of the wire beam(wire cable), hold the black pen tip with one hand, and slowly move the red watch pen along the insulating skin of the wire with the other hand. At this point, the voltage value displayed on the display is approximately 0.445 V(measured by the DT890D table).
3) Move the red watch pen. When the red watch pen moves somewhere, the voltage displayed on the display suddenly drops to 0. 0 volts(about one-tenth of the original voltage).
4) From this position, approximately 15cm from the forward(wire access end) is the Breakpoint of the wire beam(wire cable).
In addition, experts warned that when using this method to check the shield wire, if the core wire is broken and the shield layer is not broken, the method is powerless.



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