| 摘要 |
PURPOSE: An apparatus and a method for measuring self-potential using a non-polarizable electrode are provided to measure simultaneously plural measuring spots by using the same measuring method. CONSTITUTION: An apparatus for measuring self-potential includes a reference electrode(10), a plurality of measuring electrodes(11a-11n), a plurality of analog input terminals(21a-20b), a plurality of multiplexers(30a-31d), a signal processing unit(40), an analog-digital converter(50), a microprocessor(60), a storage unit(74), and a communication unit. The measuring electrodes are installed at plural measuring spots. The analog input terminals receives analog signals from the measuring electrodes. The multiplexers select one analog signal from the analog signals. The signal processing unit removes noise from the analog signal and amplifies noiseless analog signal. The analog-digital converter converts the analog signal to a digital signal. The microprocessor selects an arbitrary analog signal by controlling the plural multiplexers or processes the digital signal of the analog-digital converter. The storage unit stores the digital signal. The communication unit transmits the digital signal to an electronic information processing unit and receives the changed information. |
