The invention relates to the technical field of analysis and testing, in particular to a micro-area testing device with a movable probe, which comprises a detection table, a
fixed frame, a fixed probe and a telescopic support, the fixed probe is used for stabilizing a test benchmark, and a four-direction moving mechanism is mounted on the telescopic support to drive the movable probe to move accurately. The four-direction moving mechanism is provided with a
jumping mechanism which comprises a swing arm, an auxiliary arm and a
laser instrument, the swing arm is controlled to swing through a driving
assembly, transposition of a movable probe and the
laser instrument is achieved, the probe jumps to a micro-area
testing position, an
optical microscope is arranged near the movable probe, a detection area is monitored in real time, and the detection accuracy is improved. The probe is integrated with a pH sensor and a potential sensor, and a pH sensitive film is arranged at a probe head. The device can flexibly detect micro-areas at different positions, the
laser instrument firstly determines the position, the movable probe rapidly moves for detection, the
optical microscope guarantees the detection accuracy, and the device is suitable for
electrochemical detection of the micro-areas in multiple fields.