Home Bioprocess Accessories Housings Model 330 Guarded Housing (Standard 25 mm)
Model 330 Guarded Housing Standard 25mm
Model330

Model 330 Guarded Housing (Standard 25 mm)

FermProbe® electrode housings are designed to be used with model F-615 and F-815 style FermProbe pH electrodes. These housings fit nearly all standard 25 mm side ports found in production and pilot plant vessels and are available in a variety of different lengths to suit your application.

316L stainless steel construction
Available in a variety of lengths for different insertion length requirements

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BJC Model 330 Housing 25mmThe FermProbe design requires that the pH electrode be secured to the housing by a free-spinning threaded retainer nut. This allows the electrode to be installed into or removed from the housing without twisting or disconnecting the electrode cable. This feature is very helpful when calibrating the pH electrode tank side in a production environment.

Specification

  • 316L stainless steel construction.
  • Serialized for traceability to mill steel specifications.
  • RA32 finish with electropolish on all wetted parts.
  • Permanently secured port retainer ring for additional operator safety.

Additional Features

  • Guarded versions for rugged handling while protecting the pH glass bulb in a production environment.
  • Unguarded versions for viscous media.
  • Available in a variety of lengths for different insertion length requirements.
  • Custom designs and modifications promptly quoted.
  1. Confirm the vessel has a standard 25 mm side port.
  2. Determine whether the application will permit the use of a bulb guard on the housing. The bulb guard design is highly recommended for all types of applications except where media is highly viscous. Highly viscous media is prone to clog the guard area of the housing which can cause erroneous measurements.
  3. Determine how far the housing and electrode should extend for best performance. For most process media the minimum length is optimum. However, if the media is viscous and tends to thickly coat the inner vessel wall, then a longer length that protrudes farther into the vessel may provide better pH electrode performance.
  4. Choose a pH electrode from among the FermProbe models F-615 and F-815. Each of these rugged process pH electrodes secure to the housing with a free-spinning threaded retainer nut. The pH electrodes must be ordered separately.

Guarded Housings

Housing Model Class Typical Vessel Insertion Length Used With pH Electrode Models Used With Electrode Length Housing Part Number
Model 330 A 52 mm (2.1″) F-615, F-815 and F-600 130 mm 330-61-H070
Model 330 B 81 mm (3.2″) F-615, F-815 and F-600 160 mm 330-61-H100
Model 330 C 128 mm (5.0″) F-615, F-815 and F-600 210 mm 330-61-H150

 

Documentation

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Model 330 Technical Drawing 130mm

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Model 330 Technical Drawing 150mm

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Model 330 Technical Drawing 210mm

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