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Test Point

A test point serves to interconnect measurement signals at electrical tests. It is a pin / connector point in the outlet plug of a front plate module. The front plate module builds together with the test point card the test point module.

The entirety of test points is called switching matrix. The test points can be interconnected in to different manners: in a single point matrix a relay or transistor is located behind each test point while in a dual point matrix two test points next to each other share a relay with two contacts.

In a two-terminal measurement each test points interconnects both, generators and measurement units. Two wires are needed for a connection test of one line. In a four-terminal measurement, each test point connects either one side of the generator (force wire) or one side of the measurement unit (sense wire). Four wires are needed for the connection test of one line.

Related Entries:

Adaption, Unit Under Test (UUT)