Hach-Lange PHC10130 User Manual - Manual (Page 8)

Option Description
Standard Units When Standard is set to Custom, sets the units for the custom
calibration standard.
Standard Value When Standard is set to Custom, sets the values for the custom
calibration standard.
Reference
Temperature When Standard is set to Custom, sets the reference temperature for the
custom calibration standard.
Temperature
Correction When Standard is set to Custom, sets the temperature correction for the
custom calibration standard.
5. Select Calibration Reminder and update the settings:
Option Description
Reminder
Repeat Meter will make an audible sound when calibration is due and repeat the
sound at selected interval—Off, 2 h, 4 h, 8 h, 2 d, 5 d or 7 d.
Expires Calibration expires after the selected time—Immediately, Reminder +
30 min, Reminder + 1 h, Reminder + 2 h or Continue Reading.
Note: The meter cannot be used to read samples after calibration has
expired unless Continue Reading is selected.
6. If prompted, enter a name for the new method settings. Additional changes made to
the settings of an existing method are automatically saved with the same method
name.
7. Push EXIT until the meter returns to the measurement mode.
Maintenance
Clean the probe
Clean the probe when:
• Drifting/inaccurate readings or slow stabilization time occurs as a result of mineral or
sample buildup on the electrodes.
• The slope is out of range as a result of mineral or sample buildup on the electrodes.
Before a rugged probe can be cleaned, the shroud must be removed (refer to Remove
the shroud on page 8). Install the shroud after the probe is clean (refer to Install the
shroud on page 9).
For general contaminants:
1. Rinse the probe with deionized water and blot dry with a lint-free cloth.
For greases and oils:
1. Soak the glass bulb in a warm detergent solution for up to 2 hours.
2. Rinse or soak the probe for 1 minute in deionized water.
3. Blot dry with a lint-free cloth.
For mineral buildup:
1. Soak the probe in a dilute 10% hydrochloric acid (HCl) solution for no more than
5 minutes.
2. Rinse or soak the probe for 1 minute in deionized water.
3. Blot dry with a lint-free cloth.
Remove the shroud
1. Loosen and remove the locking ring.
2. Slide the shroud and locking ring off the probe.
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