Clean the liquid junction of your electrodes once a day or at least once a week to prevent clogging and to maintain accuracy. Immerse the electrode in the proper cleaning solution for about 5 minutes.
HANNA® offers a wide range of cleaning solutions, for general purpose and specific applications, to eliminate all kind of dirt or deposit from the electrode, and thus ensure correct measurements.
HI1143B - Electrode (Fluoride Application)
HI93754A-25 Low Range COD Reagent (0 to 150 mg/L)
HI731321 - Glass Cuvette 4 pcs. - Photometer Series HI 937xx, HI 832xx und HI 7xx
HI98501 Checktemp® Thermometer (°C)
เครื่องวัดปริมาณแอมโมเนีย ในน้ำ รุ่น HI715 

