ORP REFERENCE ELECTRODE FOR USING OXIDATION REDUCTION COD LOG RELATIVE ERROR

摘要

PURPOSE: An ORP(Oxidation Reduction Potential) reference electrode with a cooling pipe using oxidation-reduction potential for a COD(Chemical Oxygen Demand) measuring device is provided to prevent boiling and bubbling by reducing heat due to the temperature rise of an electrode supplementary liquid in a ceramic part. CONSTITUTION: An ORP reference electrode(100) for a COD measuring device comprises a cooling pipe(110), an electrode(120), and a cooling water exchange pipe(130). The hollow electrode is installed in one side of the cooling pipe and receives a copper wire(20) connected to an electrode terminal(10). The cylindrical cooling water exchange pipe is provided on the other side of the cooling pipe. The electrode and the cooling water exchange pipe are received in the cooling pipe.