Hach PHC101 User Manual

Figure 3 Soaking depth for open junction probes
Table 1 Cleaning solution
Contamination Cleaning solution Active component Soak time
General
contamination
Electrode cleaning solution for
regular maintenance
KATHON
™
CG,
DECONEX
®
11
12–16 hours
Minerals Electrode cleaning solution for
minerals/inorganic
contamination
Phosphoric acid
(~10%)
10–15 minutes
Fats, grease and oils Electrode cleaning solution for
fats, oils and grease
contamination
KATHON
™
CG,
TRITON
®
X
2 hours maximum
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
8.2 Soak procedure for dry probes
If the glass bulb becomes dry, complete the steps that follow to hydrate the probe.
1. Soak the probe tip in pH 4 and pH 7 buffer solutions for 5 minutes in each solution.
2. Rinse the probe with deionized water. Blot dry with a lint-free cloth.
3. Calibrate the probe.
8.3 Remove or install the shroud
Remove the shroud on the rugged probe during calibration and maintenance. Refer to Figure 4.
Keep the shroud installed on the rugged probe during sample measurements to prevent damage to
the sensor. Refer to Figure 5.
English
11

Hach PHC101 Specifications

General

Brand	Hach
Model	PHC101
Category	Measuring Instruments
Language	English