This cap comes with the cells TSC 70 Closed and TSC 1600 Closed by default. It contains 4 platinum wires with a thickness of 250 µm which are insulated from each other by glass and which can be contacted separately. Their front edge (electrochemially active surface) is mirror-like polished.
The platinum screw cap consists of 4 platinum wires with a diameter of 250 µm each. The wires are sealed inside of lime-soda-glass capillaries and can be individually connected to measuring devices by means of the top connector plug.