Hach PHC735, Руководство пользователя

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Table 1 Cleaning solution (continued)
Contamination Cleaning solution Active component Soak time
Proteins Electrode cleaning solution
for proteins/organic
contamination Pepsin in HCl 3 hours maximum
Wastewater and
organic compounds Electrode cleaning solution,
extra strong Sodium hypochlorite 5–10 minutes
Blockage of porous
pin/diaphragm
reference junctions Electrode cleaning solution
for porous pin/diaphragm
reference junctions Thiourea 3 hours with stirring
or until the porous
plug becomes white
8.2 Fill the probe
Add electrolyte filling solution to the probe regularly to make sure that the electrolyte flows from the
probe to the sample. Refer to
Figure 4 . Make sure to use the correct filling solution (saturated KCl).
Note: If the dispensing tip becomes clogged, remove the dispensing tip and soak the tip in warm water. Then, fully
dry and assemble the tip again.
Figure 4 Fill the probe
12 English