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Auto-calibrating test sensors

Image Number 4 for United States Patent #8241488.

An electrochemical test sensor configured to determine an analyte concentration of a fluid sample comprises a base including a first end, a second opposing end, a first side and a second side bridging the first and second opposing ends. The test sensor further comprises a plurality of electrodes formed on the base at or near the first end. The plurality of electrodes includes a working electrode and a counter electrode. The sensor further comprises a first test-sensor contact formed on the base at or near the second opposing end and coupled to the working electrode by a first conductive lead. The sensor further comprises a second test-sensor contact formed on the base at or near the second opposing end and coupled to the counter electrode by a second conductive lead. The positions of the first and second test-sensor contacts correspond with calibration information assigned to the test sensor.

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