News | June 25, 2009

Emerson Launches Four-Electrode Sensor For Wide Ranging Conductivity Measurements In Sanitary Applications

Emerson Process Management introduces the Rosemount Analytical Model 410VP four-electrode conductivity sensor, the latest addition to the PUR-Sense™ family of sensors for the life sciences and food and beverage industries. The wide dynamic range of the sensor (1 uS/cm to 1400 mS/cm), makes it ideal for clean-in-place (CIP) monitoring.

Instead of two sensors, one to measure the high conductivity cleaning solution and the other to measure the low conductivity rinse water, a single Model 410VP is the first single four-electrode sensor that does the complete CIP conductivity measurement. The result is lower initial cost, less space taken up by sensors and analyzers, and reduced maintenance and training requirements. In addition to CIP monitoring, the sensor can be used to monitor the conductivity of eluents in chromatographic separations and to detect liquid interfaces.

All wetted plastics and elastomers in the Model 410VP sensor are compliant with FDA food contact regulations, and all wetted surfaces except the electrodes have a 16 micro-inch (0.4 micrometer) Ra finish. The sensor is designed to meet 3A and EHEDG hygienic standards, and is available in 1-1/2 inch and 2 inch Tri-Clamp, Varivent N and G-1 ¼ sanitary fittings. A quick disconnect Variopol fitting is standard, making removing the sensor from the process piping easy. The sensor is calibrated at the factory, so startup is fast and easy.

The Model 410VPsensor incorporates a Pt1000 RTD for temperature compensation. The RTD makes contact with the sample through a stainless steel interface, so response to temperature changes is rapid. The sensor is compatible with the Emerson Model 1056 Intelligent analyzer.

About Emerson Process Management
Emerson Process Management , an Emerson business, is a leader in helping businesses automate their production, processing and distribution in the chemical, oil and gas, refining, pulp and paper, power, water and wastewater treatment, metals and mining, food and beverage, pharmaceutical and other industries. The company combines superior products and technology with industry-specific engineering, consulting, project management and maintenance services. Its brands include PlantWeb®, Rosemount®, Fisher®, Micro Motion®, Daniel®, DeltaV™, Ovation®, and AMS® Suite. For more information visit www.emersonprocess.com

About Emerson
Emerson, based in St. Louis, is a global leader in bringing technology and engineering together to provide innovative solutions to customers through its network power, process management, industrial automation, climate technologies, and appliance and tools businesses.

SOURCE: Emerson Process Management, Rosemount Analytical

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