| 摘要 |
PROBLEM TO BE SOLVED: To provide a conductivity measuring method, capable of providing an inexpensive sensor capable of measuring accurate conductivity. SOLUTION: This conductivity measuring method is installed by at least one pair of silver paste printing electrodes at proper intervals on an insulating substrate, dipping the whole electrode in a sample solution, applying an alternating voltage between the electrodes, and operating the conductivity and/or its derived value of the sample solution which exists between the electrodes from an electric signal obtained thereby.
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