FIELD: measurement technology. SUBSTANCE: present invention refers to equipment measuring concentrations of two substances by passing of electric current. Proposed device has at least one means for signal transmission and at least two elements for signal reception from one transmitting unit and for generation of first and second output signals. Elements for signal reception are so arranged that difference and ratio of two signals can be used to determine concentrations of two substances. EFFECT: improved functional stability and reliability of device. 6 cl, 4 dwg
Authors
Dates
1997-08-10—Published
1990-10-04—Filed