The Horiba Laqua 5401 Dissolved Oxygen Electrodes Tip, # 3014072770 is a replacement tip for 9551-20D and 9551-100D Dissolved Oxygen electrodes. HORIBA's superior electrode technology has produced unparalleled tough pH glass bulbs and unique flat sensors. Electrodes have different designs to cater a wide range of applications - from pure water to complex samples.
