The paper briefly introduces the classification of the probe.A kind of analog-probe was selected by comparing.Through the experimentresearch in the Gear Measuring Center using the probe

a piece of analog-probe tie-in board was worked out.The board deals with the demodulationprocessing of the analog-probe’s signal and the readingstorage of the sensor’s result.Through analyse the probe’s data

we can know that the board could satisfy the index of the system.