PH SENSOR WITH NEW PHASER REFERENCE TECHNOLOGY FOR ACCURACY IN LOW-CONDUCTIVITY PH MEASUREMENTS
04 February 2007 - Emerson Process Management

Emerson Process Management today introduced the all-new Rosemount Analytical Model 3200HP pH sensor with pHaser reference technology. This innovative technology eliminates junction potential by controlling the flow of reference electrolyte through laser-drilled capillary junctions. The Model 3200HP is intended for the accurate and stable determination of pH in condensate, boiler feedwater and boiler water applications typical in steam electric power plants. The rugged sensor assembly consists of a reference electrolyte reservoir, a low flow cell, a combination pH sensor with convenient Variopol connector, and an integral solution ground to protect against electrostatic noise pickup. A stainless steel thermowell is also included for fast temperature response and measurement stability.

"With over 60 years experience in power processing applications, Emerson applies its expertise to offer innovations that perform in the process. For example, the new Model 3200HP addresses two major challenges in pH measurement in today's power plants, measurement drift and offset caused by junction potential," commented John Wright, vice president of marketing, Rosemount Analytical Liquid Division of Emerson Process Management. "With these innovations, the Model 3200HP leads the industry in accuracy, simplified maintenance requirements and durability, and further demonstrates Emerson's leadership in instrument technology for the power industry."

The Rosemount Analytical liquid measurement technology is a key component of Emerson's PlantWeb digital plant architecture that delivers operating efficiency improvement.

http://www.emersonprocess.com

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