Patent ID: 8441267
Filing Date: 2013-05-14
Classification: G01N

Abstract:
1. A method for operating an inductive conductivity-measuring cell having a primary circuit with a sending coil, a secondary circuit with a receiver coil, and a short-circuit path, which passes through the sending coil and the receiver coil, comprising the steps of: coupling the sending coil via the short-circuit path inductively with the receiver coil; measuring, in the case of a closed short-circuit path, a first electrical signal present in the primary circuit; comparing the first electrical signal with, and/or weighed against, values, which are furnished or stored; measuring, in the case of an interrupted short-circuit path, a second electrical signal present in the primary circuit; comparing the first electrical signal and the second electrical signal with, and/or weighed against, one another and/or furnished, or stored, values; and whereas the first and second electrical signals are measured by means of an electrical connection only with the primary circuit.