SENSOR, SENSOR SYSTEM, PORTABLE SENSOR SYSTEM, ANALYTICAL METHOD OF METAL ION, ANALYTICAL METHOD OF PLATING INHIBITION CHEMICAL SPECIES, ANALYTICAL METHOD OF PRODUCED COMPOUND, AND ANALYTICAL METHOD OF MONOVALENCE COPPER CHEMICAL SPECIES

摘要

PROBLEM TO BE SOLVED: To provide a sensor with a structure in which an area where an electrode of the sensor is brought into contact with liquid, fog or gas including substance to be analyzed is pre-specified.SOLUTION: A sensor 10 includes: an insulating substrate 12; an electrode group including reference electrodes R1 to R5 disposed on the same surface of the insulating substrate, counter electrodes C1 to C5 and working electrodes W1 to W5; a connection wiring group 14 of one or more layers conductively connected to the electrode group; and a measurement terminal group 16 conductively connected by the connection wiring group.