Honeywell Electrode
Honeywell Durafet pH Solid Electrodes
Housed in a chemically resistant Ryton body, these electrodes serve the need of a variety of industrial or sanitary applications, including neutralization and reagent addition control. A sanitary Durafet III design is also available for food and dairy applications.
Durafet III electrodes are designed with a rugged waterproof Vario Pin connector while Durafet II electrodes are available with a PC board connector. These electrodes are compatible with Honeywell’s entire instrumentation range including UDA2182, APT Series and DirectLine® sensor modules.
How Does It Work?
Durafet pH electrodes comprise a rugged, non-glass pH sensor that resists breakage in normal usage and offers up to 10 times faster responses than glass. The ISFET-based, solid state pH sensor emits a stable, low impedance signal, eliminating the need for frequent calibrations.
The electrodes are available in two basic designs:
¾” NPT male threaded connections at the top and bottom for in-line or immersion installations
Durafet II 12-mm diameter electrode for use with various Honeywell installation mountings
All electrodes include a cable connector to enable easy and reliable electrode replacement without twisting of cables. The electrodes include a reference junction frit filled with KCI gel that is easily replaceable. This extends the electrode’s lifetime and ensures hassle-free maintenance.
Challenge
Analytical measurements are essential in virtually every industrial
process. Plants require precise and reliable measurement of
variables such as pH for a wide variety of applications to
safeguard product quality, monitor effluent discharge, and control
the addition of chemicals for the optimal chemical reaction.
For accurate measurements, sensors and analytical instruments
must be calibrated correctly and periodically recalibrated, adding
the workload on maintenance engineers. The stability of the
sensor determines how frequently recalibration is required, and
has a significant impact on the total cost of ownership over the
lifecycle.