Electrochemical half cell, electrochemical sensor and method for measuring at least one measured variable of a measured medium with an electrochemical sensor

摘要

An electrochemical half cell for application in an electrochemical sensor, wherein a fill electrolyte of the half cell is in contact with an external medium via a liquid junction, characterized in that the liquid junction is controllable as regards its permeability and/or its flow.

主权项

1. An electrochemical half-cell for application in an electro-chemical sensor, wherein:
a fill electrolyte of the half cell is in contact with an external medium via a liquid junction, and the liquid junction is controllable with regard to its permeability and/or its flow; said liquid junction is closable; said liquid junction is embodied as normally closed; and the liquid junction comprises a piezo nozzle, which controls a connection between the external medium and the fill electrolyte during the measurement in a measured medium.