The Endress & Hauser EAH OCPF81 Industrial, rugged, high-performance pH sensors have a built-in internal plunger, permitting 360-degree mounting orientation. Concave and flat membrane head designs are available for bulb protection and are manufactured with a cast-in-place solid reference electrolyte to maintain a constant reference cell potential.
The EAH OCPF81 consists of a porous Teflon liquid junction that resists fouling & chemical attacks and consists of a double junction reference cell for increased service life. Threaded 3/4 inch NPT ends, or smooth surface probes as well as options for submersible probe holders, cables, and wiring terminations. Optional high-temperature versions, and PT100 temperature output are also available.
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Recommended pH Controller: EMEC pH Controllers