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Crimp Tool Calibration
crimp tool calibration ASAP has an established capability for crimp tool calibration covering a wide range of wire sizes and specifications. This service is enjoyed by some of the UK's largest telecommunication manufacturers and network providers.
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Accessing the service
Please provide us via post 3 samples of wire approx. 6-12 inches long with a crimp on one end. Once the tests have been performed we will post the certificates and results to you. If a test fails we immediately fax you a notice so that you can remove the unit under suspicion from use.
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Solderless connections to BS6516 Pt2 mechanical test and tensile strength (pull test)
A pull test in accordance with BS6516 Pt 2 section 3 paragraph 11.2.1 is performed. This is not a destructive test, but a pulling force in accordance with figure 5 of the above specification. The force is applied and the crimp joint should withstand this force without degradation to the joint. The amount of pull force applied is dependent upon the cross sectional area of the conductor, and, at this time, ASAP has the capability to undertake conductor sizes of 10 millimetres squared for open and pre-insulated crimp barrels and 8 millimetres squared for closed crimp barrels.

Electrical test, contact resistance
A contact resistance test is performed to BS65416 Pt 2 section 3 paragraph 11.3.1. This is carried out in accordance with figures 6 and 7 of the above specification. The contact resistance is calculated by passing a known current through the conductor and crimped joint and measuring the voltage drop along set points of the conductor and crimped joint thus establishing the resistance of the said conductor and contact resistance of the crimped joint. The applied current is again determined, as with the pull test above, by the cross sectional area of the conductor.
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