ELECTROCHEMICAL OBJECT PARAMETER METER Russian patent published in 2003 - IPC

FIELD: studying properties of electrochemical, biological, and electrophysical objects by their response to electric signal. SUBSTANCE: meter has object of study in the form of electrochemical measuring cell with comparison electrodes, working and auxiliary sources of program-varying and harmonic voltages, adder, differential amplifier, two voltage followers, phase-sensing detector unit incorporating first and second phase-sensing detectors and quadrature phase shifter, first, second, and third reading devices, two null devices, current-voltage measuring transducer, first, second, and third scaling transducers, third phase- sensing detector, modular indicator, two measuring and one operational amplifiers, first, second, third, and fourth resistance standards, DC component level shaper, capacitance standard, voltage divider, and clock generator. EFFECT: enlarged functional capabilities, enhanced measurement accuracy. 1 cl, 3 dwg