Patent ID: 7943034
Filing Date: 2011-05-17
Classification: G01N

Abstract:
1. An apparatus comprising a circuit for applying a stable voltage to an electrochemical test cell received within the apparatus, said circuit comprising: (a) a first connector for making contact with a working electrode in the electrochemical test cell, (b) a second connector for making contact with a counter electrode in the electrochemical test cell, (c) a working-side circuit connected to the first connector, (d) a counter-side circuit connected to the second connector, and (e) a microcontroller receiving input from the working-side circuit and the counter-side circuit, said microcontroller being programmed to provide output of an amount of analyte in a liquid sample disposed within the electrochemical cell when the electrochemical cell is in contact with the first and second connectors, wherein the working-side circuit comprises the counter-side circuit comprises