Hach-Lange PHC108 - Manual (Page 2)

Specifications Details
Storage solution 3M KCl + glycerine
Minimum sample depth 15 mm (0.59 in.)
Dimensions Body diameter: 6 mm (0.24 in.)
Body length: 85 mm (3.35 in.)
Total length: 182 mm (7.17 in.)
Cable length: 1 m (3.28 ft)
Cable connection M12 digital output and connector compatible with HQd meters
Product overview
The probe is a digital pH combination electrode with non-refillable electrolyte (polymer), a
stainless steel body and an integrated temperature sensor. The probe is for laboratory
use and has a spear-shaped glass sensor that measures pH in semi-solid media
applications. Refer to
Figure 1 .
Note: Do not use the probe with organic solvents, low ionic strength or high alkaline sample types.
Figure 1 Probe overview
1 Storage protector 3 Reference junction
2 Cable, 1 meter (3.28 ft) 4 Glass bulb and temperature sensor
Preparation for use
Prepare the probe for use before a calibration or a sample measurement.
1. Turn the storage protector counter-clockwise to loosen the cap.
2. Remove the storage protector from the probe.
3. Fully rinse the reference junction and the glass bulb with deionized water to remove
all of the storage solution or possible salt particles. Dry with a no-lint cloth.
Note: For the best stabilization time, condition the probe for 2 hours in pH buffer 4.01 before use, if
the probe was not used for 3 weeks or more. In low ionic strength (LIS) samples, condition the
probe for a maximum of 5 minutes in the sample before use. In all other cases a condition before
use is not necessary.
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