|
In the center of the measuring
surface is the pH-responsive flat glass surface. This surface is
surrounded by the flat porous reference junction. The large area
of this porous junction has thousands of pores that provide excellent
sample contact.
The junction
is enclosed by the electrode body. At the top of the electrode body
is the quarter- turn, quick disconnect BNC connector and the leak-tight
O-ring seals. All replacement electrodes are supplied complete with
O-rings.
The flat
sensing surface is rugged, abrasion resistant, and self-cleaning.
In both coating and abrasive applications these cartridge-type electrodes
can improve measurement accuracy, reduce maintenance, prolong electrode
life and virtually eliminate breakage. Typical applications for
this type of electrode include:
- Oily Waste Water
- Lime Slurries
- Sugar Refining
- Head Box Pulp pH
- Emulsions
- Gas Wet Scrubbers
- Flocculent Coagulation
- and many more
Self
Cleaning Operation
This simple, but effective system has no moving parts and requires
no power. When the electrode's flat measuring surface is exposed
to turbulent flow, the resulting scrubbing action provides a self-cleaning
effect in most applications. For the typical spherical electrode,
the downstream side is shielded from the flow; coating forms on
this dead flow area, causing sluggish and drifting signals.
Abrasion
Free Operation
Particles sweep by the electrode's flat, non-protruding surface
without impinging on or abrading it--extending electrode life. The
non-protruding design virtually eliminates electrode breakage. Particles
impinge on the upstream side of the spherical bulb, causing abrasion,
calibration shift, and short life.
Viscous
Material Operation
Viscous materials flow by the electrode's flat measuring surface
in shear. Flow in shear causes new material to uniformly displace
the old material. Having fresh material at the electrode's surface
is essential for measurement accuracy. Downstream side of a spherical
electrode is shielded from the flow; old sample is not displaced--giving
inaccurate readings.
|
