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More information about how a pH Meter works in this link.
pH Electrodes OMEGA’s glass-bodied, refillable (RF),
combination pH electrodes are for general purpose laboratory
measurements. The inert nature of the glass body allows these
electrodes to be used in aqueous and non-aqueous solutions at
temperatures up to 110°C. The PHE-1479 has a ceramic liquid junction
and a saturated potassium chloride electrolyte. This electrolyte is a laboratory
standard and is suitable for most measurements. The ceramic junction has a low flat
rate which minimizes sample contamination from the potassium chloride solution.
The PHE-1478 has a Porous PTFE liquid junction and a saturated potassium
chloride electrolyte. The Porous PTFE liquid junction provides a stable, non-fouling
reference contact ideal for the most demanding applications. This research grade electrode
should be used when the sample has a very low or very high ionic strength, where
greases or oils are present, or in biological solutions containing TRIS or large amounts of
Specialty pH Electrodes These specialty electrodes are
designed for surface and subsurface measurements of semi-soft materials. The
typical applications include meats, cheese, dairy products, photographic emulsions
and electrophoresis gels. The Flat is a refillable combination pH electrode with a
polymer body, Porous PTFE liquid and a flat pH glass membrane. It can be used to
measure the pH of any moist surface or inverted and used as a “one-drop” electrode.
Samples as small as 100 microliters are easily measured with this inverted technique.
The Spear-Point is a refillable combination pH electrode with a 9.5mm glass body, Porous
PTFE liquid junction and pointed pH glass bulb. It is designed for sub-surface measurements
of cheese, processed meats and other soft materials. These electrodes respond quickly and
are easily cleaned.
Please download PDF file for full specifications and a complete list of available models.
† All amounts shown in DKK Noter: 3 ft. of cable length is standard, for add’l length consult Flow Engineering.