The Durafet II and Meredian II pH electrodes have a ¾-inch NPT thread at each end. This allows for direct screw-in insertion into process pipelines. The Meredian electrodes can also be screwed to the end of a pipe for immersion style applications. The electrodes’ compact size eliminates the need for O-rings or any special seals. Quick disconnect plugs enable easier installation and maintenance.
While the combination Durafet II pH electrode includes a replaceable reference junction frit and gel for durability, the Meredian II includes a permanent but maintenance-free reference junction with gel fill. The junction’s large surface area resists fouling while its symmetrical annular shape minimizes the effects of electrical current passing through the process solution for improved pH measurement.
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