... external electrodes are cooled by water with low temperature rise resulting in continuous work with high ... and aquarium water sterilization5. Space air purification ,sterilizing room 6. Ozonated water for sterilization and disinfection ( sea ... : Ozone output adjuster, Voltmeter, Ampmeter, Timer, Cooling water temperature indicator, Ozone Ampmeter, Main switch, Power supply switch, Emergency stop ...