| 摘要 |
A displacement measurement apparatus for an impact test of vehicles is provided to shorten a test time by excluding a work of adhesion of a displacement measuring antenna to the vehicle with a tape. A displacement measurement apparatus for impact test of vehicles include a housing(23), a variable resistance antenna(33), an LCD(45), and a controller(31). The housing having space is rectangular and a bottom of the housing is open. An electromagnet is installed inside a lower part of the housing and is electrically linked to the controller formed in one side of the space of the housing to be supplied with power source. The variable resistance antenna is installed on an upper hinge part of the housing and includes an outer antenna and an inner antenna. An end of a lower part of the outer antenna is attached to the upper hinge part of the housing. The inner antenna is separably installed on the outer antenna.
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