Circuit tester having an interposer transfer board

A circuit tester for testing a circuit board or UUT (unit under test), the circuit tester comprising:

• an interposer transfer board;
• a mounting plate;
• at least one sensor plate;
• and
• at least one receptacle and probe assembly,
• wherein the interposer transfer board includes:
• a first surface and a second surface opposite to the first surface;
• at least one amplifier holder;
• and
• at least one input header and at least one output header,
• wherein the at least one amplifier holder, the at least one input header, and the at least one output header are disposed on the first surface of the interposer transfer board,
• wherein the at least one receptacle and probe assembly is fixed on the at least one sensor plate,
• the at least one receptacle and probe assembly passes through and is mounted on the mounting plate,
• the at least one input header is connected to the at least one receptacle and probe assembly via wires.