Specifications

26
Additional Features Include:
• Guarded versions for rugged handling while protecting the pH glass bulb.
in a production environment.
• Unguarded versions for viscous media.
• Custom designs and custom modifications promptly quoted.
Housings for B. Braun Biotech
25 mm Safety Side Ports
There are two FermProbe
®
electrode housing designs, standard and metric,
for B. Braun Biotech 25 mm side ports. These housings incorporate the lat-
est B. Braun Biotech design requirements and are compatible with both
the new 25 mm safety ports and the older 25 mm port designs.
When these housings are used with the new B. Braun Biotech safety port,
the port will release internal steam pressure in the vessel before the hous-
ing is completely disengaged from the port.
The standard FermProbe pH electrode is secured to the Models 326 and
336 style housings by a free-spinning threaded retainer nut. This allows the
electrode to be installed and removed from the housing without twisting
or disconnecting the electrode cable. This feature is very helpful when cal-
ibrating the pH electrode tank side in a production environment.
The metric FermProbe pH electrodes thread directly into the Models 346
and 356 style housings, eliminating the need for the threaded retainer nut.
In
order to prevent twisting the cable, the metric FermProbes have a
detachable cable.
Guarded and unguarded versions are available. Using a guarded housing
is highly recommended for pH electrodes to provide maximum protection
against damage to the sensing bulb. However, highly viscous media is
prone to clog the guard.
The model 326 and 336 housings are also designed to be used with Model
F-607 and F-600 style FermProbe pH electrodes found on our website.
Specifications:
• 316L stainless steel construction.
• Serialized for traceability to mill steel specifications.
• RA32 finish with electropolish on all wetted parts.
• FDA compliant external EPDM o-rings.
• Permanently secured port retainer ring for additional operator safety.
CLASS
A
Model 326
Unguarded housings
preferable in viscous media
Model 336
Guarded housings protect
glass bulb from impact
CLASS
A
Housings for Standard FermProbes
sings pH Housings pH Housings pH Housings pH Housings pH Ho
CLASS
D
Model 346
Unguarded housings
preferable in viscous media
Model 356
Guarded housings protect
glass bulb from impact
CLASS
D
Housings for Metric FermProbes
Proper storage of pH electrodes: The first choice for stor-
ing FermProbe
®
electrodes is 2M KCl. If this is not available,
buffer solution can be used, preferably pH 4 buffer. Deionized
(DI) water should never be used to store pH electrodes. If an
electrode has been stored in DI water the resistance of the junc-
tion will change, causing instability and noise in the reading.
Soaking the electrode in 2M KCl overnight, prior to use, will usu-
ally reverse most of this effect.
&
&
T I P S H I N T S
T I P S H I N T S
Broadley-James Corporation (U.S. & Canada) Toll-Free: 800-288-2833 E-mail: [e-mail]
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