Notes Suitable anode for cathode Product No. 302-1 is Product No. 302-2. 2. Platinum wire gauze, which is used in electrodes, has a wire diameter of 0.10-0.01 mm and 1024 mesh per cm2. 3. Anodes Product No. 302-2 have tubular glass insulators (3 pcs.) on platinum rods with a diameter of 0.3 mm.