Sensor chip, and measurement device and measurement method using same

The present invention is a disposable sensor chip, wherein a specimen is metered with high precision without concern of flow channel clogging. A specimen is suctioned from a specimen introduction port (3014) toward a fluid connection unit (3011), pressure is thereafter applied from the fluid connection unit (3011), a specific amount of the introduced specimen is sent to a flow channel having a measurement unit (3017), and measurement is carried out.